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Volume 26 - Issue 6

Environmental Regulation, Industrial Structure and Low-Carbon Development

by Deng L.

General

In this paper, the provincial panel data of china from the year 2006 to 2019 are used to analyze the association among environmental regulations, industrial structure od industries and low-carbon development. The results show that regional industrial CO2 emissions in China's east, center, and west...

environmental regulation industrial structure +2 more

Volume 26 - Issue 4

Enhancing the Interface of Cement-paste Composite by Dispersing Sustainable Nano-Carbon Pyrolytic Char with Silica fume: A Sustainable and Effective approach

by

S. Elavenil et al. View all

General

Discrete studies are performed on the reuse of end-of-life tires in the construction industry as their accumulation is a global concern to the environment. In consequence, the desired focus of this work is to understand the interaction of powder derived from recycling process of tire waste which yet...

End-of-life tires Pyrolysis treatment +4 more

The Role of PbCoS Quantum Dots in Improved Photovoltaic Efficiency

by

Meryem Demir et al. View all

General

The quest for efficient, sustainable solar energy solutions has propelled the exploration of novel materials with enhanced photovoltaic properties. This study delves into the synthesis, characterization, and photovoltaic application of cobalt-doped lead sulfide (PbCoS) quantum dots (QDs) deposited...

PbCoS Quantum Dots QDSSCs +4 more

Eco-friendly road construction: Harnessing fly ash and waste marble powder for sustainable road construction using a fuzzy logic assessment

by

Shanmuganathan N. et al. View all

General

More than seventy percent of mineral gets wasted during mining and polishing processing, and all this dumped waste threatens the aquifer. Utilizing this waste in construction works helps to reduce the environmental effects. This research aims to protect the environment by implementing mineral waste...

Eco friendly construction reusing flyash +2 more

Research on high performance green concrete using nano particles and organic materials: an eco-friendly approach

by

Abiraami. R et al. View all

General

Since concrete is a fundamental component of all types of construction, many researchers are concentrating on developing High Performance Concrete (HPC) using efficient manufacturing processes. Nano silica is a quartz and silica dust this can be replaced instead of cement to achieve great strength...

Green Concrete Nano particles-Nano-silica and Delonixregia Pods +3 more

Volume 26 - Issue 2

Inhibition impact of major active ingredients of Jordanian Peganum harmala on the corrosion rate of Cu, Fe and Al metals

by

Ghassab M. Al-Mazaideh et al. View all

General

The active components of Jordanian Peganum harmala L. (P. harmala) were investigated using both GC-MS and DFT calculations. The study focused on the methanol extract of P. harmala leaves, which was found to contain 21 significant natural components, of which 9 compounds constituted more than 2% of...

Peganum harmala GC-MS +2 more

Volume 25 - Issue 10

Influence of Chemical and Thermal Treatment Methods on the Mechanical and Micro-Structural Characteristics of Coconut Shell based Concrete

by

Dr.Jeyaprakash Maheswaran et al. View all

General

In this study, an attempt is made to understand the effectiveness on initial treatment of coconut shell on the strength of concrete. The coconut shell materials obtained from the agricultural wastes are used as a replacement for coarse aggregate in conventional concrete. From the particle size...

Treated coconut shells Water absorption +5 more

Volume 25 - Issue 9

Trace arsenic quantification by hydride generation-flame atomic absorption spectrometry using durian husk-derived nanocellulose as a solid-phase extraction biosorbent

by

Trung Dang-Bao et al. View all

General

In the present study, nanocellulose was successfully extracted from durian husk via chemical treatment and then characterized by several analytical techniques, involving X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), energy-dispersive X-ray spectroscopy (EDX) and...

Atomic absorption spectrometry arsenic +3 more

Temperature impact on the hydration and setting mechanism of C-S-H bonding on nano-biomass silica with poly-carboxylate ether

by

Nageswari N et al. View all

General

Pozzolanic material and a chemical admixture have been used in the current investigation; Nano Biomass Silica (NBS) and Poly-Carboxylate Ether (PCE). NBS produces 20% of the 590 million tonnes of paddy produced globally. Amorphous silica, a mineral component used in concrete, is present in sizable...

NBS PCE &Pozzolans +2 more

Volume 25 - Issue 5

Performance, material degradation and durability of an ammonia chemical scrubber operated under acidic conditions

by

Spyridon Psarras et al. View all

General

The aim of this study was to investigate the tensile strength reduction of four different materials: steel, polypropylene, polyethylene and glass fiber/epoxy (GFRP), under the conditions in a chemical scrubber. In detail, the performance of these materials in an acidic environment was assessed. The...

ammonia absorption chemical scrubber +3 more

Volume 25 - Issue 4

Experimental Study on Geopolymer Concrete with Partial Replacement of Bethamcherla Waste Stone Powder

by

Dr. P. Subashree et al. View all

General

The process of making portland cement uses up a lot of resources and has a harmful environment effect since it produces a lot of greenhouse emissions. The by-product of the stone cutting and polishing industries is Bethamcharla waste Stone Powder (BWSP). Each industry produces an average of one...

Bethamcherla Waste Stone Powder Geopolymer concrete +2 more

SARS-CoV-2 vaccines from A to Z: A Review of the current challenges

by

Ghada Abd-Elmonsef Mahmoud et al. View all

General

COVID-19 pandemic is a major worldwide health disaster firstly reported in December 2019. The Food and Drug Administration (FDA) has offered the public hope of halting it, authorizing vaccinations for emergency use with more than 85% efficacy against serious acute respiratory syndrome (SARS-CoV-2)...

SARS-CoV-2 vaccines Covid-19 +4 more

Volume 24 - Issue 3

Utilization of coconut and jojoba wastes for lipases production by Aspergillus niger and applied it for biodiesel production

by

Ghada Abd-Elmonsef Mahmoud et al. View all

General

Industrial wastes represent a huge issue for the environment and precious materials for microbial growth. Utilizing these wastes in different fermentation process decrease the costs of production, materials, energy, and represent an eco-friendly way of waste recycling. Aspergillus niger (ASU49) is...

wastes recycling +4 more

Trends in renewable energy: an overview

by

Sotiris Lycourghiotis et al. View all

General

This essay deals with the prospects of supplying humanity with energy in the twenty-first century. The gradual replacement of fossil fuels by green electricity, hydrogen and biofuels is examined in the context of deteriorating climate change and the ongoing depletion of fossil fuels. The production...

Global warming Climate change +5 more

Interaction Between High-Rise Building, Wind and Pollution in District Twenty-Two of Tehran Municipality, Iran

by

Majid Karimpour Reyhan et al. View all

General

The large cities are facing with a phenomenon called high-rise buildings which is due to the increasing of the population and also developing the cities. One of the negative impacts of high-rise buildings is the change in urban wind flow. Air pollutions is a major problem in the cities and the wind...

High-Rise Building wind +4 more

Volume 24 - Issue 1

Synthesis and Characterization of Poly(o-chloroaniline)/TiO2 Nanocomposites for Photocatalytic Degradation of Direct Yellow 50 Dye in Textile Wastewater

by

Dr. Mirza Nadeem Ahmad et al. View all

General

The nanocomposites of poly(o-chloroaniline) with titanium dioxide have been prepared via chemical oxidative polymerization technique using o-chloroaniline monomer and titanium dioxide nanoparticles for photocatalytic application. The different composites were prepared by varying the load percentage...

Photocatalytic Degradation Nanocomposites +3 more

Volume 23 - Issue 3

Volume 23 - Issue 2

Copper recovery by slurry electrolysis using ionic liquids from waste printed circuit boards

by

Muhammad Tariq Sarwar et al. View all

General

The regulatory framework of heavy metal pollution associated with electronic waste is prevalent all over the world. As a result of technological advancement and change in consumer patterns, the life span of electrical and electronic products has been shortened. This has contributed to the emergence...

copper metal leaching different ionic liquids +2 more

Volume 23 - Issue 1

Eco-friendly isolation of tannin based natural colorant from coconut coir (Cocos nucifera) for dyeing of bio-mordanted wool fabric

by

shumaila kiran et al. View all

General

Due to hazardous effluent load of synthetic dyes, the global community is now seeking inclusion of natural products particularly green dyes and pigment in various fields. Current study has been concerned with utilization of eco-friendly tools for isolation of colorants from plant wastes such as...

Coconut coir microwave treatment and wool dyeing +3 more

Volume 22 - Issue 3

Non-thermal plasma-assisted growth of ZnWO4 hierarchical nanostructures: morphology, structure and photoactivity

by

Hadi Fallah Moafi et al. View all

General

Zinc tungstate (ZnWO4) photocatalyst was synthesized by precipitation method and treated with different non-thermal plasma to study its morphology, structure and photocatalytic activity. The X-ray diffraction results revealed that the plasma-treated ZnWO4 exhibited only wolframite structure and its...

Zinc tungstate non-thermal plasma +3 more

Urban land use effect analysis on the level of noise pollution using satellite and GIS technologies: A case study in Tehran city

by

Babak Djahed et al. View all

General

We utilized satellite and GIS technologies to address the relationship between urban land uses and Noise Pollution (NP) in one of the most crowded regions of Tehran city. Leq was determined in 170 stations of the studied area and an acoustic map was created. Moreover, using satellite remote sensing...

Noise pollution GIS +4 more

Volume 21 - Issue 3

Food waste volume and composition in households in Greece

by

Abeliotis K. et al. View all

General

The purpose of this paper is the presentation of the results compiled from self weighing of household food waste and self filling of waste collection diaries that took place in Greece. A diary was compiled and given to 101 urban households in various areas of the country. The participants were asked...

Quantification Household food waste +2 more

Volume 21 - Issue 2

Operation and Electro(chemical) characterization of a microbial fuel cell stack fed with fermentable household waste extract

by

Asimina Tremouli et al. View all

General

Two identical four air-cathode single chamber membrane-less microbial fuel cells were stacked and tested under in series and in parallel electrical configurations. Fermentable household waste extract (FORBI; 0.8 g COD/L) was used as substrate, in all cases. Linear Sweep Voltammetry (LSV) was carried...

microbial fuel cell Stack +5 more

Volume 20 - Issue 3

Antioxidant Activities and Heavy Metal Contents of Castanea Sativa Honey

by

Fulya AYDIN TEMEL et al. View all

General

Honey is one of the most valuable foods in terms of its antioxidant nature and antioxidant activity. In this study, their botanic origins, total flavonoid content, total phenol content, the hydrogen peroxide scavenging activity (HPSA) (in terms of SC50 (µg mL-1)), ferric reducing antioxidant power...

Antioxidant activity bio-monitoring +3 more

The Right of Thirst: Water as a Human Right and as a Commons

by

Dimitra Koumparou et al. View all

General

Water is not only a vital natural resource but is also a social symbol that makes it a ‘total social fact’. ‘Hydroschizophrenia’ is a term that characterizes the present condition of the status of water and reflects a disconnection between water and society. Liberal environmentalism considers the...

Water Human right to water +4 more

Volume 20 - Issue 2

Bioremediation of actual soil samples with high levels of crude oil using a bacterial consortium isolated from two polluted sites: investigation of the survival of the bacteria

by

Kazem Godini et al. View all

General

In this study, actual soil samples, taken from Kharg Island, Iran, with high levels of total petroleum hydrocarbons (TPHs) were bioremediated by a bacterial consortium. The strains were: Pseudomonas sp., Stenotrophomonas sp., Achromobacter sp., Brevibacillus sp. and Staphylococcus sp., which were...

Bioaugmentation Pseudomonas sp. +2 more

A study of alkali-activated concrete mixes with ground granulated blast furnace slag

by

M.Mavroulidou et al. View all

General

The paper presents a laboratory study of concrete mixes based on the alkali-activation of an industrial by-product, ground granulated blast furnace slag (GGBS). A number of factors potentially affecting the resulting concrete quality in terms of workability and strengths were investigated (namely...

alkali activated cement concrete Ground granulated blast furnace slag +2 more

Volume 19 - Issue 4

Ultrasound Assisted Enhanced Extraction of Lutein (β, ε-carotene-3, 3'-diol) from Mircroalga (Chlorella pyrenoidosa) Grown in Wastewater: Optimization through Response Surface Methodology

by

Kannappan Panchamoorthy Gopinath et al. View all

General

One of the fundamental carotenoid compounds available in microalga Chlorella pyrenoidosa is lutein, which is a commercially valuable antioxidant compound. The extraction of lutein from C. pyrenoidosa was studied in detail under various operating conditions. Acid pretreatment was done using 10% HCl...

C. pyrenoidosa lutein +3 more

Volume 19 - Issue 3

Major and Minor Element Levels in Greek Apicultural Products

by

Helen Karasali, Niki C. Maragou et al. View all

General

In the present study, four beehive matrices (honey, propolis, pollen and bees), sampled from thirteen apiaries from Northern and Western Greece, were analyzed for the presence of Cr, Cu, Mn, Fe, Zn, Mg, and Ca. The proposed method involved microwave digestion with H2O2 and HNO3, dilution with water...

micro-elements macro-elements +4 more

Volume 19 - Issue 2

Degradation of o-xylene by a novel strain, Zoogloearesiniphila HJ1: Identification, kinetics and metabolic pathway

by

Jianming Yu et al. View all

General

Biodegradation has become a popular alternative remediation technology due to its economical and ecological advantages. A strain able to degrade o-xylene effectively was selected and identified as Zoogloearesiniphila HJ1. The organism, strain HJ1, could degrade o-xylene with concentration as high as...

O-xylene Zoogloearesiniphila +3 more

Volume 19 - Issue 1

Ecotoxicological evaluation of chemical indicator substances present as micropollutants in laboratory wastewaters

by

Figueiredo S.A. et al. View all

General

Laboratories produce a large volume of wastewaters containing different chemical indicators, organic species for which there is no complete knowledge about their effects in the aquatic environment. The aim of this work was to evaluate the ecotoxicity of four chemical indicator substances commonly...

Chemical indicators Chlorella vulgaris +4 more

Modeling a Drought Index Using a Nonparametric Approach

by

Olya H. et al. View all

General

Alternatively, to other studies that used parametric distributions (e.g. Gamma) in the estimation of the Standardized Precipitation Index (SPI), this study aims to apply a nonparametric method based on Kernel Density Estimator (KDE) for calculating the SPI. Results of the proposed method were...

SPI Gamma Distributions +2 more

A multi-stage methodology for selecting input variables in ANN forecasting of river flows

by

Dionysia Panagoulia et al. View all

General

The scientific community has recognized the necessity for more efficiently selected inputs in artificial neural network models (ANNs) in river flows and has worked on this despite some shortcomings. Moreover, there is none or limited inclusion of ANN inputs coupled with atmospheric circulation under...

Artificial neural networks Optimization +5 more

The contribution of natural and artificial regeneration at the restoration of fire-affected peri-urban forest of Thessaloniki (Northern Greece)

by

Chatzichristaki Chrysoula et al. View all

General

In this study, the post-fire regeneration of three coniferous species ( Pinus brutia, Cupressus sempervirens and Cupressus arizonica) was examined in the peri-urban forest of Thessaloniki, Northern Greece. The wildfire took place in July 1997 and burned almost 60% of the forest vegetation. During...

Postfire reforestation Pine forest +1 more

Volume 18 - Issue 4

Comparison of a black-box model to a traditional numerical model for Hydraulic Head Prediction

by

Karatzas G.P. et al. View all

General

Two different methodologies for hydraulic head simulation were compared in this study. The first methodology is a classic numerical groundwater flow simulation model, Princeton Transport Code (PTC), while the second one is a black-box approach that uses Artificial Neural Networks (ANNs). Both...

hydraulic head change simulation groundwater modeling +2 more

Heavy metal migration along a rural highway route: Ilesha-Akure roadside oil, Southwestern, Nigeria

by

OLUWATUYI O.E. et al. View all

General

This paper present migration of some selected heavy metal (zinc, lead, copper, chromium and nickel) of roadside soil samples from along Ilesa-Akure highway with a view to assess the degree of contamination such soils contain and the likelihood that this contamination can be remobilized. Soil samples...

Clay Minerals Geo-accumulation Index +4 more

Cold Vapor Atomic Absorption and Microwave Digestion for the Determination of Mercury in Honey, Pollen, Propolis and Bees of Greek Origin

by

Eleni Karasali and Niki Maragou et al. View all

General

In the present study a fast and reliable cold vapor atomic absorbance method was developed and validated for the determination of mercury in four beehive matrices (honey, pollen, propolis and bees) from Greece. For the sample preparation microwave digestion with H 2 O 2 and HNO 3 in closed vessels...

bio-indicators apicultural products +2 more

Volume 18 - Issue 1

Volume 17 - Issue 4

Hydrolysis of agricultural waste to obtain reducing sugars using conventional and ultrasound-assisted technologies

by

Raquel Kuhn et al. View all

General

The main objective of this study was to evaluate the hydrolysis of rice hulls to obtain reducing sugars by conventional and ultrasound-assisted acid hydrolysis. For this purpose, the methodology of experimental design was used to evaluating the influence of temperature, moisture content and...

Acid hydrolysis reducing sugar +2 more

Application of response surface methodology for ultrasound-assisted rapid ‎adsorption of meso-tetrakis(4-sulfonatophenyl) porphyrin by copper ‎nanowire-loaded in activated carbon: Characterization, equilibrium and ‎kinetic modeling

by

Gholamreza Karimipour et al. View all

General

The combined ultrasonic assisted/nanoparticle based procedure was described for an economical and rapid removal of meso-tetrakis (4-sulfonatophenyl) porphyrin (TSPP) by copper nanowires loaded on activated carbon (Cu-NW-AC). The synthesized Cu-NW-AC was investigated by scanning electron microscopy...

Activated carbon Adsorption +4 more

Volume 17 - Issue 3

Volume 17 - Issue 2

Landcover change modeling through visualization and classification enhancement of multi-temporal imagery

by

Panagiotis Partsinevelos et al. View all

General

The natural environment endures natural and human-induced changes. Remote sensing has been providing monitoring oriented solutions by a series of methodologies which contribute to prudent environmental management. Analysis of multi-temporal satellite images for the observation of the land changes...

classification land use/land change +2 more

Limestone particle attrition and size distribution in a bench scale bubbling fluidized bed

by

Zhong-qing Yang et al. View all

General

Attrition of limestone particles in bubbling fluidized bed has significant influence on cyclic CO 2 capture ability of sorbents. The limestone particle attrition and size distribution characteristics were investigated experimentally in a bench scale fluidized bed. The effects of initial particle...

limestone attrition particle size distribution +2 more

Volume 17 - Issue 1

A new adsorbent for fluoride removal: The utilization of sludge waste from electrocoagulation as adsorbent

by

Alper Erdem Yılmaz et al. View all

General

This work investigated the potential of calcined electrocoagulation sludge (CES) within metals hydroxide generated during removal of boron using Al electrode for adsorption of fluoride from aqueous solution. The effects of contact time, pH of the solution (2-10), stirrer speed (50-450 rpm), initial...

Fluoride Adsorption +2 more

Volume 16 - Issue 5

Modeling the 3-d flow around a cylinder using the SAS hybrid model

by

Papadonikolaki G. et al. View all

General

Three-dimensional calculations were performed to simulate the flow around a cylindrical vegetation element using the Scale Adaptive Simulation (SAS) model; commonly, this is the first step of the modeling of the flow through multiple vegetation elements. SAS solves the Reynolds Averaged Navier...

Cylinder Vortex shedding +4 more

Future primary teachers’ knowledge and understanding of environmental quality issues – a questionnaire survey

by

Papanastasiou D.K. et al. View all

General

This paper aims to investigate students’ awareness regarding the factors that affect the environmental quality in university classrooms. For this purpose a questionnaire survey was conducted, in which 314 undergraduate students of the School of Primary Education, Aristotle University of Thessaloniki...

Indoor thermal comfort Indoor air quality +2 more

Indoor mass concentrations of particulate matter in hospital environment

by

Gaidajis G. et al. View all

General

The assessment of the air quality of indoor environment where people usually spend extended time periods, especially for sensitive population groups such as patients during their hospitalization, is of major importance. Ensuring a safe level of air quality in these indoor environment serves as an...

coarse and fine particulate matter intensive care units +1 more

Selection of forest species for use in urban environment in relation to their potential capture to heavy metals

by

Tsitsoni T. et al. View all

General

The aim of this research is to study the behavior of different forest species in accordance with their ability to retain heavy metals on their leaves in order to select the most suitable species for urban and peri-urban use, which will contribute to the reduction of the continuously growing...

urban green silvicultural characteristics +3 more

Volume 16 - Issue 4

Processes affecting recent and future evolution of the Xylokastro beach zone (Gulf of Corinth, Greece)

by

Serafim Poulos et al. View all

General

The aim of the present study is to investigate the morphodynamic regime of the coastal area of Xylokastro (north coast of Peloponnese), in order to identify and evaluate the processes controlling its formation and evolution. Within this concept, a number of factors have been considered and evaluated...

wave regime coastline changes +2 more

Electrochemical desalination of nacl solutions by electrosorption on nano-porous carbon aerogel electrodes

by

K. Dermentzis et al. View all

General

The objective of this study is to elucidate the efficiency of electrosorption on desalination of aqueous NaClsolution using nano-structured carbon aerogel electrodes. The experiments were performed in an electrosorption cell consisting of a pair of carbon aerogel sheets separated by a 0.5cm spacer...

Electrochemical desalination electrosorption - electrodesorption +1 more

Volume 16 - Issue 2

Influence of coal properties on the co-combustion characteristics of low-grade coal and city mud

by

Yan Y.F. et al. View all

General

In this paper, the effects of the mixing ratio and particle size of coal were investigated using a thermogravimetric analysis (TGA). A method of Achar-Brindley-Sharp-Wendworth (ABSW) was applied to a simultaneous calculation of the kinetic parameters (including the apparent activation energy, the...

thermogravimetric analysis mixture ratio +3 more

Environmental Dynamics and Engineered Systems for the Degradation of Trichloroethylene: A Critical Review

by

Dr. Amin M. T., Ph.D. P.E. Asst. Professor et al. View all

General

Trichloroethylene (TCE) is found in all mediums of environment in varying concentrations. Over the past 25 years, many engineered systems have been devised for its complete and sustainable degradation. This study reviews the environmental factors that influence the TCE pollution in environment and...

Biodegradation engineered systems +4 more

Gas monitoring methodology and application to CCS projects as defined by atmospheric and remote sensing survey in the natural analogue of Campo de Calatrava

by

Rincones M. et al. View all

General

CO 2 capture and storage (CCS) projects are presently developed to reduce the emission of anthropogenic CO 2 into the atmosphere. CCS technologies are expected to account for the 20% of the CO 2 reduction by 2050. Geophysical, ground deformation and geochemical monitoring have been carried out to...

monitoring CO2 capture and storage +3 more

Essential oil composition and antimicrobial investigation of some Iranian herbal plants on Pectobacterium carotovorum

by

Shahin Gavanji et al. View all

General

In recent years, there has been growing concern regarding undesirable side effects of synthetic antimicrobial drugs used for food preservation or in medicine and an explosive global spreading of multidrug resistant microbes are considered as a substantial global health threat. This necessitates the...

Pectobacterium carotovorum essential oil +1 more

Volume 16 - Issue 1

Estimation and comparison of potential evapotranspiration based on daily and monthly data from Sperchios valley in Central Greece

by

Spyridon Paparizos et al. View all

General

There is no golden rule concerning the optimal equations to estimate reference potential evapotranspiration (PETref) under various climates because even in the same climatic type, different studies have produced mixed results in relation to the performance of the empirical PETref equations...

PET EmPEst +3 more

Perceived benefits of selected wetlands in South-West Nigeria

by

Olarewaju T.O. et al. View all

General

Poor appreciation of Wetlands has been linked to their massive destruction in Nigeria. This results in a considerable loss of benefits on income generation, food security and environment sustainability. This study assesses people’s perception of benefits from selected Wetlands in South West, Nigeria...

Likert scale Perceived Benefit Index +1 more

Impact of human activities and infrastructure works on hydro morphological characteristics of Alfeios River, Greece

by

Yannopoulos P.C. et al. View all

General

The Alfeios River is the greatest in length and flow-rate river in Peloponnisos and constitutes an important water resource and ecosystem of Western Greece. A number of infrastructure works and human activities have been constructed and are operating in Alfeios River Basin, while in the past...

Water quality riverbed changes +2 more

Using inverse modeling to estimate parameter values for three dimensional transport of contaminants in Lake Ontario

by

Tsanis I.K. et al. View all

General

The Great Lakes form an important freshwater drinking source for many urban areas surrounding the Lakes but also provide a sink for pollutants and runoff. Consequently introducing new drinking water intakes into any of these water bodies requires investigation into local pollutant sources and their...

3D transport model drinking water intakes +2 more

Systematic Approach for the selection of monitoring technologies in CO2 geological storage projects. Application of multicriteria decision making

by

Llamas B. et al. View all

General

Geologic storage of carbon dioxide (CO2) has been proposed as a viable means for reducing anthropogenic CO2 emissions. Once injection begins, a program for measurement, monitoring, and verification (MMV) of CO2 distribution is required in order to: a) research key features, effects and processes...

CO2 geological storage monitoring +3 more

Methodologies for compiling national inventories of contaminated sites and conducting preliminary site screening

by

Pantazidou Marina et al. View all

General

Procedures for compiling a national inventory of contaminated sites must take into account the technical state-of-the-art in the area of subsurface contamination and restoration, the national and supranational regulatory environment, as well as the national administrative infrastructure. Within this...

Contaminated land Subsurface polluting activities +2 more

Recent and future trends of beach zone evolution in relation to its physical characteristics: The case of the Almiros Bay (Island of Crete, south Aegean Sea)

by

spetrakis@geol.uoa.gr et al. View all

General

The present study investigates recent and future evolution of the beach zone of Almiros Bay, one of the most touristic developed beaches of north Crete, in relation to its morphodynamic setting and the anticipated sea level rise. The beach zone is exposed to northerly winds, with maximum wave...

shoreline retreat N. Crete +3 more

Volume 15 - Issue 4

Integrated strategy to enhance biogas production from mango peel waste

by

Suryawanshi P.C., Satyam A. and Chaudhari A.B.

General

The present study has successfully explored the use of pomegranate seed de-oiled cake as a major additive and micronutrients solution as a minor additive to enhance production of biogas and enrich its methane content, using mango peel as the initial substrate. While micronutrients solution has...

A study of the role of micrometeorological conditions on uptake of 3,4-dichloroaniline in maize

by

Droulia F.E., Matsoukis A.S., Chronopoulou-Sereli A.G., Giannopolitis C.N. and Tsiros I.X.

General

3,4-dichloroaniline (3,4-DCA) is a hardly biodegradable and hydrolysable compound, characterized as a persistent pollutant for water, soil and sediment and highly toxic for living organisms. In this work, the impact of different micrometeorological conditions on uptake of 3,4-DCA was investigated in...

Toxicity potential of particulates in the airshed of haulage vehicle park

by

Fakinle B.S., Sonibare J.A., Akeredolu F.A., Okedere O.B. and Jimoda L.A.

General

This study examined the toxicity potential of total suspended particulate in the airshed of a haulage vehicle park located in a major highway connecting Lagos, the commercial centre of Nigeria to its other parts. It has an approximate area of 0.6 km2. Ambient air total suspended particulates (TSP)...

Total suspended particulate haulage Vehicle Park +2 more

Potential of biowastes to remediate diesel fuel contaminated soil

by

Agamuthu P. and Dadrasnia A.

General

The unintended release of hydrocarbons into the environment can negatively impact human and animal health, and could further change the characteristics of soils. The aim of the present work was to investigate the rate of biodegradation at 10 and 20% diesel fuel in contaminated soil amended with 10%...

Public attitudes and environmental impacts of wind farms: a review

by

Karydis M.

General

The promotion of renewable sources for electricity production, independent of carbon fuels and nuclear power, is a priority in the energy policy of many countries all over the world. The European Union has launched an ambitious program to increase the contribution of energy production from wind...

Renewable Energy Landscape +5 more

Pilot study of the removal of individual trihalomethanes (THMs) from chlorinated drinking water by GAC adsorption - Galatsi water treatment plant, Athens, Greece

by

Babi K.G., Koumenides K.M., Nikolaou A.D., Makri C.A. and Lekkas T.D.

General

The objective of this pilot study was to evaluate the performance of Powdered Activated Carbon (PAC) for the removal of individual trihalomethanes (THMs) from chlorinated drinking water, Athens, Greece. The pilot treatment facility was located at the Water Treatment Plant of EYDAP (Athens Water...

Volume 15 - Issue 3

Quality Assessment of Groundwater of Almadinah Almunawarah City

by

Shraim A.M., Alsuhaimi A.O., Al-Muzaini K.O., Kurdi K. and Al-Ameen H.

General

Renewable water resources in Saudi Arabia are limited with groundwater as the major source for water supply. This study was conducted to assess the quality of groundwater in Almadinah Almunawarah, Saudi Arabia. Water samples were collected from 60 wells in 2010. Physical and chemical parameters were...

Use of Renewable Energy in Aquaculture: An Energy Audit case-study analysis

by

Ioakeimidis C., Polatidis H. and Haralambopoulos D.

General

In this paper we propose a framework for energy audit and renewable energy utilization for a Mediterranean fish hatchery station. A concise literature review concerning the use of renewables in aquaculture is provided, followed by a step by step framework for energy audit in aquaculture stations...

Aquaculture Energy Audit +3 more

Modeling the relationship among energy demand, CO2 emissions and economic development: A survey for the case of Greece

by

Hatzigeorgiou E. , Polatidis H. and Haralambopoulos D.

General

The purpose of this paper is to offer an initial presentation and classification of the methodological approaches used to analyzing energy demand, related CO2 emissions and economic development for countries, regions and subsequently to provide for an extended survey of related articles for the case...

Water conservation in the nursery school

by

Samaltani D. and Christidou V.

General

Water shortage is an environmental problem that requires changes in terms of thinking and everyday practice. Education for a sustainable development should therefore aim at arousing pupils’ awareness on this issue and inducing rational use of water in future citizens. The present study explores the...

"Soft" shore protection by a beach drain system

by

Karambas Th.V. and Ioannidis D.

General

In this study, the effects of seepage flow in the swash zone on beach profile evolution under the wave action are examined numerically. The seepage flow is induced artificially by a porous drain pipe buried beneath swash zone parallel to the coastline. The system includes minimal environmental...

Hydraulic models for the simulation of flow routing in drainage canals

by

Pantelakis P., Zissis Th., Anastasiadou-Partheniou E. and Baltas E.

General

In order to design a network of drainage canals, it is essential to consider the excess water from the agricultural land (overland flow) and to evaluate the characteristics of flow routing, such as the flow depths and discharges in the system of tertiary and main drainage canals of various order. In...

Assessing and Mapping the Vulnerability of Karstic Aquifer Using GIS and COP Model

by

Masoompour Samakosh J., Bagheri S., Davoodi M., Yarahmadi D., Jafari-Aghdam M. and Soltani M.

General

Vulnerability assessment and production of the risk map of the contamination is considered as a managerial significant technique in the conservation of Karstic water resources. Karst aquifers in semi-arid regions of the West of Iran with respect to the region’s natural conditions are prone to...

Review of Wastewater Reuse in the Mediterranean Countries, Focusing on Regulations and Policies for Municipal and Industrial Applications

by

Kellis M., Kalavrouziotis I.K. and Gikas P.

General

The present paper reviews the wastewater reuse regulations, practices and applications of countries around the Mediterranean Region, particularly focusing on reuse practices for municipal and industrial uses. Water scarcity and water need is established in Mediterranean countries using international...

Environmental impacts and best management of urban stormwater runoff: measures and legislative framework

by

Yannopoulos S.I., Grivaki G., Giannopoulou I., Basbas S. and Oikonomou E.K.

General

Urban stormwater runoff constitutes a non-point source pollution, which contributes in degradation of water bodies’ quality (USEPA, 2002). European Union’s environmental policy includes water environment protection and preservation by adopting a series of directives, 2000/60/EC (Water Framework...

Spatial and temporal study of extreme precipitation over North of Iran

by

Yousefi Y., Mohammadi H., Azizi G.H., Taghavi F., Masomnia A., Roradeh H. and Masoompour J.

General

Two main focus of this study is the spatial and temporal analysis of annual 24-hour extreme precipitation amounts for different return periods, and the intra-annual variability of the frequency of month to month maximum rainfall using harmonic analysis. Data for analysis gathered from 51 stations...

Volume 15 - Issue 2

Local scale simulation of air temperature by a two-step hybrid downscaling approach using regional climate modeling and artificial neural networks

by

Philippopoulos K. et al. View all

General

The influence of microscale and mesoscale meteorology on the local scale variation of air temperature cannot be correctly simulated by the coarse resolution Global Climate Models. The scope of this work is to develop a hybrid dynamic-statistical downscaling procedure and quantify its predictive...

Analyzing the basic meteorological aspects of a particulate air pollution episode over the industrial area of Northwestern Greece during the November of 2009

by

Karagiannidis A.F. et al. View all

General

The complex terrain basin of Amyntaio – Ptolemais – Kozani in Western Macedonia of Greece is an area characterized by increased industrial activity and therefore it demands continuous and assiduous environmental monitoring. A prolonged particulate matter air pollution episode was recorded in the...

Synergies between environmental pressures in the urban climate: combined air quality and noise exposure assessment in Thessaloniki, Greece

by

Vlachokostas Ch. et al. View all

General

This study offers a combined analysis of personal exposure to noise and air pollution within the metropolitan centre of Thessaloniki, Greece. The area is selected on the grounds that it is considered as one of the most polluted cities in Europe, especially with respect to air pollution. An extensive...

Volume 15 - Issue 1

Phytoremediation of Soil Contaminated with Nickel by Lepidium sativum; Optimization by Response Surface methodology

by

Mojiri A., Abdul Aziz H., Qarani Aziz S., Selamat M.R.B., Gholami A. and Aboutorab M.

General

Phytoremediation is an alternative to traditional chemical and ways of treating polluted soils. The current study was carried out to investigate the phytoremediation of soil contaminated with nickel (Ni) by Lepidium sativum. Soil samples from 0 to 10 cm depth were collected. Lepidium sativum was...

Lepidium sativum nickel +3 more

Inorganic and organic contamination in sediment from Izmir bay (Turkey) and Mytilene harbor (Greece)

by

Kostopoulou M., Guida M., Nikolaou A., Oral R., Trifuoggi M., Borriello I., Vagi M., D'ambra L., Mer... View all

General

Marine sediment contamination was evaluated in a set of sediment specimens collected from Izmir Bay (Turkey) and from Mytilene Harbor (Greece) in the Aegean Sea. Eight sediment specimens from Izmir (#IZ to #IZ8) and seven sediment specimens from Mytilene (#MYT1 to #MYT7) were analyzed for their...

marine sediment harbor pollution +2 more

Evaluation of different thermal conditions based on THI under different kind of tree types – as a specific case in a Ata Botanic Garden in eastern Turkey

by

Irmak M.A., Yilmaz S., Yilmaz H., Ozer S. and Tpy S.

General

Outdoor recreation is an important issue for people living in areas where they face problems caused by harsh climatic features like the city of Erzurum. The aim of this study was to determine the favourable features of tree species, which can grow in the city, for human bioclimatic comfort...

Erzurum Bioclimatic comfort +3 more

An investigation of waste amounts from ships in Istanbul

by

Dashan E.S. and Apaydin O.

General

In Turkey, control studies related to the wastes from ships continue, and the first waste acceptance facility (WAF) from ships was founded in Istanbul: Haydarpaşa WAF. Haydarpaşa WAF has been accepting waste since September 2005 based on the International Convention for the Prevention of Pollution...

ARMA Istanbul +4 more

The willingness to pay for irrigation water: a case study in northwest China

by

Tang Z., Nan Z. and Liu J.

General

To inform the further development of water pricing in Shiyang River basin, a typical arid region in northwest China with agriculture as the major consumer of water, this research conducted a contingent valuation study on farmer’s willingness to pay (WTP) for irrigation water. The results show that...

irrigation water pricing non-market goods +4 more

Partitioning of heavy metals in the Istac medical waste incinerator

by

Ozturk H.I., Alp K., Hanedar A., Avsar E. and Malak U.

General

This study investigates the partition of heavy metals in slag from the rotary kiln (SL), second combustion chamber ashes (SCCA), filter cake (FC) from a bag filter and flue gas (FG) emissions (both in particulate and gas phases) of the Istanbul medical waste incinerator (ISTAC). Eleven targeted...

Bottom ash emissions +3 more

Monitoring and determination of irrigation demand in Cyprus

by

Papadavid G., Kountios G. and Michailidis A.

General

This technical paper describes and interprets the main results of an original research project, which integrates technological tools for developing a complete system for monitoring and determining irrigation demand on a systematic basis in Cyprus. More specifically, the main contribution of this...

agricultural extension Evapotranspiration +4 more

Sustainable research and development of the small uninhabited islands: the case of Ionian Oinoisses

by

Alexopoulos A.B., Karris G. and Kokkali A.

General

It is acceptable that the uninhabited islands of small size, due to their isolation from the mainland, offer remarkable habitats for the distribution and conservation of significant protected flora and fauna species. Many of these islands hosted in the past settlements, castles, etc., that now have...

isolated islands natural environment +2 more

The potential for transboundary cooperation towards the conservation of the avifauna in the mountain region Tzena/Kozhuf

by

Papadopoulou D.S. and Tsitsoni T.K.

General

When it comes to shared natural resources between two countries it is essential to mitigate differences in the management which underpin threats to the conservation of those resources by putting the way forward for coordination of the management of the area as a whole. Shared natural resources are...

transfrontier landscape Greece +3 more

Disinfection of secondary treated wastewater using under pressure dissolved oxygen, copper ions and hydrogen peroxide

by

Nabizadeh R., Alimohammadi M., Nemati R., Naddafi K., Naseri S., Aslani H. and Mousavipour S.N.

General

Many studies have been conducted to increase the efficiency of hydrogen peroxide (HP) in wastewater disinfection to make HP disinfection more cost-effective with respect to reduced concentration and detention time. In this study, the effects of HP, copper ions (Cu2+), and 1 atm. pressure-dissolved...

Fecal coliforms Synergistic effect +1 more

Water bodies pollution due to stormwater runoff in highways: measures and legislative framework

by

Yannopoulos S., Basbas S. and Giannopoulou I.

General

Nowadays, it is a common ascertainment that stormwater runoff in the urban and interurban road network consist non-point source pollution which contributes to the degrading of the quality of water of ground and surface water bodies. Taking into account the fact that water pollution has impacts to...

Stormwater runoff water pollution +5 more

Removal of natural organic matter from groundwater using fenton’s process

by

Kalajdzic B., Romic Z., Habuda-Stanic M. and Kules M.

General

Groundwater in the area of eastern Croatia contains increased concentrations of organic compounds, primarily natural organic matter (NOM). Organic compounds in water become a problem in drinking water treatment, especially during water disinfection with chlorine, when harmful disinfection by...

Fenton’s process Natural organic matter +2 more

Biological removal of chloro-organic compounds from bagasse soda pulp bleaching effluent by Coriolus versicolor

by

Naghdi R., Karimi A.N., Jahan Latibari A., Hamzeh Y., Mirshokraie S.A. and Nadali E.

General

The potential of rainbow fungus (Coriolus versicolor) for bioremediation of bagasse soda pulp bleaching effluent containing chlorinated organic compounds was investigated without co-substrate addition. Initially, the effect of each of the operating variable including time, temperature, pH, and...

Rainbow Fungus Bleach Plant Effluent +5 more

Volume 14 - Issue 4

Temporal variability of disinfection by-products concentration in urban public water system

by

Siddique A., Saied S., Zaigham N.A., Mumtaz M., Ali Mahar G. and Mohiuddin S.

General

The occurrence of trihalomethanes (THMs) was studied in the drinking water samples from urban water supply network of Karachi city that served more than 18 million people. Drinking water samples were collected from 58 locations in summer (May-August) and winter (November-February) seasons. The major...

Trihalomethanes seasonal variability +5 more

Effect of calcium cyanamide on pathogenic escherichia coli during mesophilic composting and impact on composting process

by

Simujide H., Aorigele C., Wang C.J., Manda B. and Ma L.N.

General

The objective of the study was to determine the effect of CaCN2 on pathogenic E. coli as an antimicrobial agent and its impact on composting progress as an amendment in dairy cow manure based mixtures composted at laboratory scale. The changes in physical parameters, chemical parameters and...

zoonotic pathogen antimicrobial agent +4 more

Overview of the Temporal Variation of PM10 Mass Concentrations in the two Major Cities in Greece: Athens and Thessaloniki

by

Triantafyllou E. and Biskos G.

General

Literature reports have indicated that Particulate Matter (PM) concentrations in the atmosphere over the major urban centres of Greece are high compared to other European cities of the same size. The great majority of these reports are based on measurements that have been conducted over a limited...

air pollution particulate matter +2 more

Medical geochemical investigations in taking precautionary measures against diseases. Protection and human health

by

Varnavas S.P., Kalavrouziotis I.K., Karaberou G., Apostolopoulou K. and P.S. Varnavas

General

A considerable number of diseases are directly related to environmental impact. Toxic metals such as Hg, Pb, Cd, and As may damage significantly the human health when they exceed certain levels in the body. For example specific precautions should be taken for the diet of pregnant women and the...

Medical geochemistry metals in human health +5 more

Assessment of heavy metal contamination in soil and wheat (Triticum Aestivum L.) plant around the Corlu–Cerkezkoy highway in Thrace region

by

Ekmekyapar F., Sabudak T. and Seren G.

General

Pollution caused by traffic activities is increasingly becoming a great threat to human health in the region of Thrace in north-west of Turkey. Thirty six soil and plant samples were collected from the vicinity of Çorlu–Çerkezköy Highway. The samples were taken at distances of, 1, 25, 50, 100, 250...

traffic pollution metal concentration +2 more

Effect of Temperature on Fenton oxidation of young landfill leachate: Kinetic Assessment and Sludge Properties

by

Aygun A., Yilmaz T., Nas B. and Berktay A.

General

Treatment of young landfill leachate, collected from municipal solid waste site of city of Konya, was investigated by using the Fenton process. The leachate itself showed the characteristics of pH 7.25, COD 38.2 g L-1 and BOD5 22 g L-1. Ratio of BOD5 to COD with 0.58 indicates that leachate can be...

Fenton Kinetic +3 more

Natural organic matter fractionation along the treatment of water for human consumption

by

Vieira R.F., Berenguel A.T., Silva M.A., Vilaca J.S., Domingues V.F. and Figueiredo S.A.

General

The main objective of this study was to characterize the organic matter present in raw water and along the treatment process, as well as its seasonal variation. A natural organic matter fractionation approach has been applied to Lever water treatment plant located in Douro River, in Oporto (Portugal...

DOC dissolved organic carbon +7 more

Competitive effects of herbaceous species on water potential and growth of quercus ithaburensis ssp. Macrolepis seedlings

by

Pantera A. and Papanastasis V.P.

General

A noticeable decline of Quercus ithaburensis ssp. Macrolepis, a typical mediterranean species, has been recorded in the past few decades throughout Greece. The triggers were mostly human influences and specifically illegal cuttings, wildfires, and overgrazing. Regeneration and future management of...

valonia oak grass +3 more

Solar assisted photo fenton for cost effective degradation of textile effluents in comparison to AOPS

by

Durr-E-Shahwar, Yasar A. And Yousaf S.

General

Solar assisted Photo Fenton was compared with advanced oxidation processes for their color and COD removal efficiency and cost effectiveness. H2O2 alone appeared to be inefficient to reduce color and COD content of any effluent. The performance of Fenton process was slightly better, color and COD...

Solar radiation Ozone +4 more

Changing mediterranean environment: irrefutable evidence from pre-industrial, unpublicised scenes contemporary with a mission (1786-1787) in the Levant

by

Rhizopoulou S.

General

This paper provides an introduction to one hundred thirty one, pre-industrial, unpublicised Mediterranean scenes kept in Oxford, which constitute valuable evidence of changing environment. The largely unknown and unpublished paintings witness environmental wilderness and the cultural landscapes of...

Aegean Greece +6 more

Regional climate change scenarios for Greece: future temperature and precipitation projections form ensembles of RCMs

by

Tolika K., Zanis P. and Anagnostopoulos C.

General

The potential regional future changes in seasonal (winter and summer) temperature and precipitation are assessed for the greater area of Greece over the 21st century, under A2, A1B and B2 future emission scenarios of IPCC. Totally twenty-two simulations from various regional climate models (RCMs)...

Greece regional climate models +2 more

Thermal comfort estimation in relation to different orientation in mountainous regions in Greece by using artificial neural networks

by

Chronopoulos K.I., Kamoutsis A.P. and Matsoukis A.S.

General

This study focuses on the estimation of thermal comfort conditions in a high alt. site (1455 m) in Apodotia (MA), Greece, by using the MLP neural network model. This estimation is based on the air temperature (t) and relative humidity (f) data of the middle (1078-1163 m) and of the low altitude...

multilayer perceptron model Air temperature +4 more

Ammonia removal from fertilizer plant effluents by a coupled electrostatic shielding based electrodialysis / electrodeionization process

by

Dermentzis K., Davidis A., Chatzichristou C. and Dermentzi A.

General

Electrically and ionically conducting graphite powder beds interposed between the anode and cathode inside an electrolytic setup are used as intermediate bipolar electrodes. The beds cause electric field discontinuity by eliminating the applied electric field locally within their mass and act as...

Ammomium nitrate Faraday cage +3 more

Volume 14 - Issue 3

Regression analysis between sediment transport rates and stream discharge for the Nestos River, Greece

by

Angelis I., Metallinos A. and Hrissanthou V.

General

Systematic measurements of sediment transport rates and water discharge were conducted in the Nestos River (Greece), at a place located between the outlet of Nestos River basin and the river delta. This basin area is about 838 km2 and lies downstream of the Platanovrysi Dam. Separate measurements of...

Sediment transport Bed load +5 more

Decision support for agricultural water management

by

Panagopoulos Y., Makropoulos C. and Mimikou M.

General

Irrigation water use is the major pressure limiting the availability of fresh water resources in the Mediterranean. Efficient irrigation scheduling programs (IRSPs) are able to reduce water consumption; however, their selection and placement in large agricultural landscapes depend on location...

Irrigation practices Decision support +5 more

Assessing Alternative Water Resources Management Scenarios in Islands of the Aegean Archipelago, Greece

by

Karavitis C.A., Skondras N.A., Manoli E. and Assimacopoulos D.

General

This effort discusses and evaluates alternative water management options to alleviate water stress and meet water needs in insular entities of the Aegean Archipelago, within the framework set by the principles of Integrated Water Resources Management (IWRM) and of the Water Framework Directive 2000...

Water resources management scenarios Decision Support Systems +3 more

Modeling renewal times in Amvrakikos Gulf, Greece

by

Stamou A.I., Loverdou L., Matsoukis C., Albanis T. and Gkesouli A.

General

The Amvrakikos Gulf, located in the northwest Greece, is one of the largest semi-enclosed embayments being about 40 km long and 15 km wide. Water renewal is made via a narrow channel which connects the Gulf with the Ionian Sea having a 3.0 km length, width ranging from 0.8 to 2.0 km and depth from 2...

water quality models hydrodynamic models +3 more

Measuring the turbulent characteristics in an open channel using the PIV method

by

Pechlivanidis G.I., Keramaris E., Pechlivanidis I.G. and Samaras G.A.

General

Investigation of open channel flows is very important for a wide range of applications, including restoration and enhancement of river aquatic systems. As a result, the scientific community has focused on providing further insights on the flow characteristics in vegetated channels. Vegetation may be...

Open channel flow Particle Image Velocimetry +5 more

Modeling the effect of vegetation on river floodplain hydraulics

by

Stamou A.I., Papadonikolaki G., Gkesouli A. and Nikoletopoulos A.

General

Vegetation in river floodplains has significant influence on the flood hydraulics and fate of suspended sediments, nutrients and contaminants. In the present, work preliminary 3-D calculations were performed to examine the effect of vegetation on the mean flow in open channels using the CFD model...

Vegetation eco-hydraulics +4 more

Sensitivity analysis of different evapotranspiration methods using a new sensitivity coefficient

by

Ambas V.Th. and Baltas E.

General

The estimation of evapotranspiration is essential in water resources management. Among a group of methods, the Penman–Monteith has been commonly applied to calculate reference evapotranspiration as this method has been also recommended by the Food and Agriculture Organization of the U.N. (FAO)...

sensitivity coefficient reference evapotranspiration +2 more

An environmental approach for the management and protextion of heavily irrigated regions

by

Stathatou P.G., Tsoukala V.K., Papadopoulou M.P., Stamou A., Spiliotopoulou N., Theochari C.and Papa... View all

General

In this paper the results of a preliminary study that investigates water footprint (WF) concept, as a useful tool to address water management problems in cultivated areas are presented. The two basic methodologies reported in the literature, their applicability, benefits and challenges were...

Water Footprint environmental water resources management +4 more

Using an informational entropy-based metric as a diagnostic of flow duration to drive model parameter identification

by

Pechlivanidis I.G., Jackson B.M., McMillan H.K. and Gupta H.V.

General

Calibration of rainfall-runoff models is made complicated by uncertainties in data, and by the arbitrary emphasis placed on various magnitudes of the model residuals by most traditional measures of fit. Current research highlights the importance of driving model identification by assimilating...

calibration Model identification +5 more

Systematic approach for ungaged basins’ discharge determination in Western Peloponnese, Greece

by

Daniil Ε.Ι., Michas S.N., Nikolaou K. and Lazaridis L.S.

General

Determining peak flows for ungaged areas is difficult and involves high uncertainty. Advanced computer capabilities provided by geographical information systems and hydrologic modeling software are used for detailed determination of the parameters involved, both for simple methods as the rational...

hydrologic modeling ungaged basins +3 more

The impact of forest fires on the vulnerability of peri-urban catchments to flood events: The case of the Easter Attica Region, Greece

by

Papathanasiou C., Alonistioti D., Kasella A., Makropoulos C. and Mimikou M.

General

Floods are natural disasters that pose a direct threat to human life and often cause significant economic loss. River floods are caused by heavy and/or prolonged rainfall, causing rivers and streams to overflow and sometimes also burst dams or levees. Forest fires increase the risk factor to which...

forest fires floods +4 more

Estimating flood inundation and the consequent economic losses in the Koiliaris river basin in Crete, Greece

by

Vozinaki A.-E.K., Kourgialas N.N. and Karatzas G.P.

General

Local communities may experience flood events with devastating damages and economic losses. This work presents the application of an integrated method for flood loss estimation at the watershed level. The one-dimensional hydraulic model MIKE 11 was used to simulate the physical process of a flood...

Flood loss estimation flood inundation +1 more

Volume 14 - Issue 2

Emission estimates and air quality impacts from the use of alternative fuels by the Titan cement factory in Thessaloniki

by

Moussiopoulos N., Banias G., Douros J. , Michailidou A.V. and Tsegas G.

General

Cement production is an energy-intensive process. Utilisation of fossil fuels is common practice in the cement industry around the world. Alternative fuel substitution rates increase every year. More specifically, 18 % of the fuel used by the European cement industry in 2006 consists of alternative...

alternative fuels cement industry +3 more

Modelling refrigerating compartment of frost-free domestic refrigerators

by

Jaramillo J..E., Rigola J., Rodrigues I. and Oliet C.

General

This paper is focussed on the study of the air movement and temperature distribution inside refrigerating compartment of household frost-free refrigerators. It is well known that the correct air circulation and temperature distribution inside the refrigerated chamber are two of the most important...

turbulence modelling LES +4 more

A multicriteria approach to evaluate offshore wind farms siting in Greece

by

Vagiona D. and Karanikolas N.

General

Wind energy offers significant potential for greenhouse gas emissions reductions. Most applications have been developed onshore but the planning and siting conflicts with other land uses have created considerable interest and motivated research to offshore wind energy establishments. In this paper...

Analytical hierarchy process geographical information systems +3 more

Environmental and energy assessment of new vehicle technologies in the greater Athens area

by

Xiouras C., Angelis-Dimakis A., Arampatzis G. and Assimacopoulos D.

General

The transport sector in Greece has the largest share in the final energy consumption and the resulting emissions are one of the main sources of atmospheric pollution. This situation is worse in the region of Attica, where nearly half of the country’s private cars circulate in an area equal to 3 % of...

Transport Sector Energy Savings +2 more

Anaerobic treatment of glycerol for methane and hydrogen production

by

Vlassis T., Stamatelatou K., Antonopoulou G. and Lyberatos G.

General

This work focused on glycerol exploitation for biogas and hydrogen production. Anaerobic digestion of pure glycerol was studied in a continuous stirred tank reactor (CSTR), operated under mesophilic conditions (35oC) at various organic loading rates. The overall operation of the reactor showed that...

glycerol Anaerobic digestion +6 more

Increase of biogas production through co-digestion of lipids and sewage sludge

by

Noutsopoulos C., Mamais D., Antoniou K. and Avramides C.

General

The aim of this study was to assess the feasibility of co-digesting lipids originated from domestic wastewater along with sewage sludge. Three lab-scale single stage mesophilic anaerobic digesters were operated under a constant hydraulic retention time (15 days). One system (C) was fed on a daily...

Biogas co-digestion +5 more

Bioethanol production from thermochemically pre-treated olive mill solid residues using the yeast Pachysolen tannophylus

by

Senkevich S., Ntaikou I. and Lyberatos G.

General

Olive oil mill solid residue (OMSR) is the solid waste generated during olive oil production process in three-phase olive mills. It consists of the remaining pulp of olive processing after the extraction of oil, as well as the cracked seeds of the olive fruits, containing thus mainly lignocellulose...

Bioethanol solid wastes +3 more

Combustion characterization of producer gas from biomass gasification

by

Hernandez J.J., Barba J. and Aranda G.

General

In the present work, premixed flames from the combustion of producer gas have been analyzed. Two different compositions have been tested, corresponding to air and steam gasification processes (the latter leading to a better quality gas due to its higher CO and H2 concentration and its lower N2...

Producer gas flame stability region +3 more

Impact from road transport of radioactive wastes in Spain

by

Calleja J.A., Gutierrez F. and Colon C.

General

This work focuses in transport of high level radioactive wastes, mainly consisting of spent fuels from nuclear power utilities in Spain. To date, these wastes are being stored in the own generating facilities, or they are sent to France; but these options are not any more technically or economically...

high-level nuclear transports central storage facility +4 more

Use of alternative fuels obtained from renewable sources in Brayton cycles

by

Escudero M., Jimenez A., Lopez I. and Rodriguez J.

General

Analysis and simulation of the behaviour of gas turbines for power generation using different nonconventional fuels obtained from different renewable sources are presented. Three biomass-tobiofuel processes are considered: anaerobic digestion of biomass (biogas), biomass gasification (synthesis gas)...

Renewable energy sources Bioenergy +4 more

Effects of microbiological contamination in the quality of biodiesel fuels

by

Dodos G.S., Konstantakos T., Loginos S. and Zannikos F.

General

The introduction to the European Market of biodiesel blends along with the minimization of the sulphur content in automotive diesel has rejuvenated the research interest on the microbial stability of diesel fuel. Several microorganisms are able to metabolize hydrocarbons contained in conventional...

Microbial activity Fatty Acid Methyl Esters +3 more

Simultaneous removal of NO and SO2 from combustion fuel gases using supported copper oxide catalysts

by

Bereketidou O., Charisiou N.D. and Goula M.A.

General

Nitrogen oxide (NOx) and sulphur dioxide (SO2) emissions produced by the combustion of fuel in stationary sources, such as power stations, industrial heaters or cogeneration plants, cause significant environmental problems. Selective catalytic reduction (SCR) is a well established process for the...

SCR Selective Catalytic Reduction +3 more

Multicriteria analysis of municipal solid wastes energy recovery technologies in Greece

by

Kondili E., Bartsis J., Kapsali M. and Kaldellis J.K.

General

Municipal Solid Waste (MSW) management is the field of science which explores and evolves strategies minimizing the final amount of wastes delivered to landfills and reducing the corresponding pollution related to all stages of treatment and collection. In the best practices of MSW the inherent...

energy recovery from MSW Waste-to-Energy plants +3 more

Anaerobic treatment of sewage sludge and grease trap sludge in continuous co-digestion

by

Neczaj E., Bien J., Grosser A., Worwag G. and Kacprzak M.

General

In recent years many researchers show a high interest in co-digestion, simultaneous anaerobic decomposition of a homogenous mixture of at least two biodegradable waste. Anaerobic codigestion is reported to offer several benefits over digestion of separate materials, such as increased cost-efficiency...

co-digestion sewage sludge +2 more

International overview on waste to biofuel options with a focsu on waste potentials in Germany and funding incentives in the EC

by

Kretzschmar J., Majer S. and Kroeger M.

General

Biofuels represent a possibility to reduce greenhouse gas (GHG) emissions within the transport sector. In this context the sustainability of biofuels, especially so called 1st generation biofuels led to controversial discussions in the past. Biofuels from waste and residues represent a well suited...

sustainability land use +7 more

Volume 14 - Issue 1

The California biomonitoring program: persistent organic pollutants in archived and contemporary serum

by

Petreas M., Park J.S., Wang M., Wang Y., Guo W., Tarrant A., Rhee A. and Harwani S.

General

In 2006, California passed legislation establishing the first State Biomonitoring Program in the USA. The main goals are to: 1) Determine levels of environmental chemical contaminants in a representative sample of Californians; 2) Establish trends in the levels of these chemicals over time; 3)...

Biomonitoring California +6 more

Emerging contaminants : a tutorial mini-review

by

Thomaidis N.S. , Asimakopoulos A.G. and Bletsou A.A.

General

Nowadays, the scientific community has focused and prioritised research on “emerging pollutants”. The term “emerging pollutants” stands for the substances that are released in the environment for which currently no regulations are established for their environmental monitoring. Their occurrence is...

emerging pollutants Wastewater +1 more

Evaluation of arsenic effects in Vicia faba by FTIR and FTNIR spectroscopy

by

Sturchio E., Napolitano P., Beni C. and Mecozzi M.

General

Arsenic is an ubiquitous and highly toxic metalloid widely distributed in the environment through both natural and anthropogenic pathways (Liu et al., 2004) and its presence in food composites is a matter of concerns to the well being of both humans and animals. In fact, As has been recently found...

inorganic Arsenic exposure effects molecular modifications +3 more

The application of ferrate for sewage treatment: pilot- to full-scale trials

by

Jiang J-Q., Stanford C. and Mollazeinal A.

General

This paper aims to study a relative new technology, the online generation and application of ferrate(VI), for sewage treatment, from pilot to full scale trials at Hailsham North Wastewater Treatment Plant of Southern Water Ltd of UK. The work presented in this paper has significant impact on the use...

Coagulation VI +4 more

Basic dyestuffs removal from textile effluents using feathers: equilibrium, kinetic and column studies

by

Sousa J., Freitas O. M. and Figueiredo S. A.

General

This research work has been focused in the study of gallinaceous feathers, a waste that may be valorised as sorbent, to remove the Dark Blue Astrazon 2RN (DBA) from Dystar. This study was focused on the following aspects: optimization of experimental conditions through factorial design methodology...

basic dyes column +5 more

Short-chain chlorinated paraffins in biota – levels and effects

by

Kalantzi O.I. and Alcock R.A

General

Short-chain chlorinated paraffins (SCCPs) are highly complex technical mixtures of polychlorinated n-alkanes with carbon-chain lengths from C10-C13 and chlorine content between 49 and 70%. They are produced by chlorination of n-alkanes and do not occur naturally. Because of their physical properties...

short-chain chlorinated paraffins analysis +2 more

Rapid immobilisation of 8-hydroxyquinoline onto silica materials and its application for on-line solid-phase extraction of transition metals from environmental samples before ICP-OES monitoring

by

AlSuhaimi A.O. and McCready T.

General

Chelating resins based on immobilised oxines are attractive solid-phase extraction (SPE) materials in the analysis of trace metals from environmental samples. The most common immobilisation procedure for bonding oxines to silica supports is time-consuming and incompatible with “green chemistry”...

Environmentally friendly immobilisation +5 more

Spectophotometric studies on the competitive adsorption of boric acid (b(iii)) and chromate (cr(vi)) onto iron (oxy) hydroxide (fe(o)oh)

by

Demetriou A. and Pashalidis I.

General

Various pollutants (e.g. boron and hexavalent chromium) are introduced into the aquatic environment from a variety of industrial operations causing damages to environment and affecting human health. Boron in irrigation water is of particular interest because it can have beneficial or toxic effect on...

Boron chromate +4 more

Determination of Hydrogen Peroxide in Abas abad River Water Based on Catalytice effect of TiO2 Nano Particle on Peroxy Oxalate Chemiluminescenc of Triaznyl Dye Derivative

by

Yeganeh Faal A., Amini M. and Bordbar M.

General

This work is first report showed that supported TiO2 NPs on alumina could act catalytic activity on peroxyoxalate chemiluminescence system. In this work the catalytic effect of supported Titanium dioxide nanoparticles (TiO2 NPs) on the trichloroperoxy oxalate – hydrogen peroxide (PO-CL) reaction is...

Peroxyoxalate Chemiluminescence hydrogen peroxide +1 more

Determination of beryllium in various types of natural waters by electrothermal atomic absorption spectrometry

by

Hagarová I., Macháčková ., L. Žemberyová M. and Návojová V.

General

The procedure for the reliable determination of Be in natural waters by ETAAS was elaborated. Various modifiers (EDTA, Ca(NO3)2, Mg(NO3)2, Pd(NO3)2 and the mixture of Pd(NO3)2 and Mg(NO3)2) for the determination of beryllium was examined. The applicability of the selected Mg(NO3)2 as the appropriate...

Beryllium ETAAS +3 more

Artificial neural networks predictive models. A case study: carbon and bromine concentrations prediction based on chlorination time

by

Farmaki E.G., Samios S.A., Thomaidis N.S., Golfinopoulos S., Efstathiou C.E. and Lekkas T.D.

General

Artificial neural networks (ANNs) are being used increasingly to predict water variables. This study offers an alternative approach to quantify the relationship between time of chlorination in potable water (due to convectional treatment procedure) and chlorination by-products concentration...

ANNs CBPs +3 more

Biosorption of cationic dyes from aqueous solution by Water hyacinth roots

by

Saltabas O., Teker M. and Konuk Z.

General

Water hyacinth Eichhornia crassipes was found to have biosorption capacity for cationic dyes, malachite green and methylene blue from aqueous solutions. To evaluate the biosorption capacity and characteristics, the effect of solution pH, initial dye concentration, temperature, dose of biosorbent...

dye Malachite green +5 more

Soil contamination interpretation using self-organizing maps

by

Tsakovski S., Voyslavov T. and Simeonov V.

General

The present study deals with the problem of soil contamination risk assessment for a region being actively impact by the routine production of Kremikovtzi metallurgical plant near Sofia, Bulgaria. Although the production is now cancelled, the soil pollution is present and needs careful assessment...

Heavy metals soil pollution +2 more

Adsorption feasibility in the cr(total) ions removal from waste printing developer

by

Kiurski J., Adamović S., Oros I., Krstić J. and Kovačević I.

General

In this article, the technical feasibility of various commercial adsorbents (activated carbon, clinoptilolite, and their mixture) for removal of Cr(total) ions from waste printing developer has been represent. Experimental tests were performed in laboratory batch mode. The adsorption data were...

Heavy metals natural adsorbents +3 more

Volume 13 - Issue 4

Application of sludge, organic solid wastes and yard trimmings in aerobic compost piles

by

Chazirakis P., Giannis A., Gidarakos E., Wang J.-Y. and Stegmann R.

General

The effects of different mixture ratios of sewage sludge (SS), organic fraction of municipal solid waste (OFMSW) and yard trimmings (YT) on the performance of composting process were investigated in this study. The high water content and the proper carbon/nitrogen ratio make sludge ideal for this...

co-composting organic solid waste +3 more

Plant biomonitoring: impact of urban environment on seasonal dynamics of storage substances and chlorophylls of Oleander

by

Meletiou-Christou M.S. , Banilas G.P., Bardisi C. and Rhizopoulou S.

General

In the present study seasonal changes of chlorophyll content and storage substances related to the metabolic response of the widespread, evergreen plant oleander (Nerium oleander) to air pollution were investigated. Mature leaves of oleander shrubs, grown at five sites of differing levels of air...

air pollution carbohydrates +4 more

Under climatic change, soil microbial community and variables relating to N-cycle are modulated by changes in the upper limit temperature

by

Monokrousos N., Papatheodorou E.M. and Stamou G.P.

General

The effect of temperature increase and more specifically its upper and low level correlates on soil microbial biomass, activity and N-cycle variables was studied in a Mediterranean shrubland. Experimental manipulation succeeded in establishing three treatments which, in comparison with the monthly...

soil microbial biomass and activity climate change scenarios +5 more

Removal of hexavalent chromium from electroplating wastewater by electrocoagulation with iron electrodes

by

Dermentzis K., Christoforidis A., Valsamidou E. and Lazaridou A.

General

The performance of electrocoagulation using iron electrodes for the removal of hexavalent chromium from synthetic aqueous solutions and actual industrial electroplating wastewater was studied. Parameters affecting the electrocoagulation process, such as initial pH, applied current density, initial...

electrochemical coagulation electroplating effluent +2 more

Temporal and spatial scales of lake processes. Part 2: interaction of physical and ecological scales and application of scaling concepts to greek lakes

by

Papadimitrakis I. and Chioni A.

General

The temporal and spatial scaling concepts related to basic physical and ecological lake processes and the associated non-dimensional parameters that govern the various flow regimes, developed in lakes and reviewed in Part 1 of our companion paper (Papadimitrakis, 2011), are applied to lakes Pamvotis...

Lake processes physical scales +4 more

Temporal and spatial scales of lake processes. Part 1: physical and ecological scales, non-dimensional parameters and flow regimes

by

Papadimitrakis I.

General

Scaling concepts, related to basic physical transport and mixing processes and other ecological aspects in lakes, are reviewed in an ecohydrodynamic perspective; the length and time scales as well as the non-dimensional parameters governing the various flow regimes and relevant to these processes...

Lake processes transport +6 more

3-D Oil spill modelling. Natural dispersion and the spreading of oil-water emulsions in the water column

by

Papadimitrakis I., Psaltaki M. and Markatos N.

General

A 3-D hybrid turbulence model, simulating the transport and fate of oil spills in various waters, is used to evaluate the influence of natural dispersion on the spreading of water-in-oil emulsions formed in the water column. The model combines the Navier-Stokes equations for two-phase flows, the RNG...

Oil spills oil dispersion +3 more

Decision making in water resources with fuzzy information

by

Tzimopoulos C. and Evangelides C.

General

The multiple objectives optimization in water resources planning consists in trading multiple and conflicting objectives, forming a complex and dynamic process. In the last four decades multiobjective decisions based on fuzzy sets have been evolved and considerable research spawned into the...

multiple objectives optimization fuzzy analysis +4 more

Monitoring of the particles above the unpaved road by lidar technique

by

Koren Likar U. and Eichinger W.

General

Basic concepts of laser-based technique LIDAR (LIght Detection and Ranging) are discussed in this article as well as advantages and disadvantages. Presented are measurements of relative particulate concentrations above an unpaved road which were performed in a rural area near the Iowa City, Iowa...

LIDAR technique particulate concentration +1 more

Volume 13 - Issue 3

Statistical analysis of temperature changes in israel: an application of change point detection and estimation techniques

by

Gurevich G., Hadad Y,. Ofir A and Ohayon B.

General

The main goal of this study is to present and apply recently developed nonparametric change point detection and estimation techniques for confirming patterns of regional changes in temperature. Utilizing these methods, monthly temperatures (mean, mean maximum, mean minimum) and diurnal temperature...

Regional Climatic Changes Diurnal Temperature Range +2 more

Catchment scale hydrological modelling: A review of model types, calibration approaches and uncertainty analysis methods in the context of recent developments in technology and applications

by

Pechlivanidis I.G., Jackson B.M., McIntyre N.R. and Wheater H.S.

General

In catchment hydrology, it is in practice impossible to measure everything we would like to know about the hydrological system, mainly due to high catchment heterogeneity and the limitations of measurement techniques. These limitations and the need to extrapolate information from the available...

Hydrological models Model identification +3 more

Foaming control in activated sludge treatment plants by coagulants addition

by

Mamais D., Kalaitzi E. and Andreadakis A.

General

This paper presents the results of an investigation that aimed to evaluate the efficiency of various inorganic coagulants and organic polymers to combat filamentous foaming and bulking problems, caused by the proliferation of M. parvicella and/or Gordona amarae. The duration of the investigation...

foaming bulking +6 more

Assessment of biosolids in earthworm choice tests with different species and soils

by

Artuso N., Kennedy T.F., Connery J., Grant J. and Schmidt O.

General

Earthworm avoidance response is a new tool for rapid and efficient screening of potentially toxic substances added to soil environments. This technique was used to determine if five common, ecologically different earthworm species (Allolobophora chlorotica, Aporrectodea longa, Aporrectodea...

avoidance-test earthworms +3 more

Environmental perceptions of students, farmers, and other economically active members of the local population near the protected area of Axios, Loudias and Aliakmonas estuaries, in Greece

by

Kleftoyanni V., Abakoumkin G. and Vokou D.

General

This study concerns a protected area in northern Greece and examines how local people’s occupation influences their perception of environmental impacts and their views and information about the area. The target groups were local residents that (a) were employed in the primary sector, (b) were...

environmental education environmental impacts +4 more

Multivariate analysis of hydrochemical data of the groundwater in parts of Karwan – Sengar sub - basin, Central Ganga basin, India

by

Khan T.A.

General

Ganga basin is one of the world’s biggest aquifer repositories. The thick alluvium of the basin hosts its three tier aquifer system. The aquifer of the basin is under high stress due to unethical human intervention in the natural system. This warrants the need to evolve the basic hydrochemistry of...

Groundwater quality statistical analysis

Removal of C.I.Basic yellow 2 from aqueous solution by adsorption onto granular activated carbon using an on-line spectrophotometric analysis system: Kinetic and equilibrium study

by

Aber S. and Haddadi Esfahlan F.

General

The adsorption of Basic yellow 2 (BY2), from aqueous solutions onto Granular activated carbon (GAC) and its adsorption kinetics at different concentrations, GAC masses, initial pH values and temperatures were studied. The adsorption process was followed by an on-line spectrophotometric analysis...

Adsorption Basic yellow 2 +4 more

Environmental sensitivity index mapping of Lagos shorelines

by

Oyedepo J.A. and Adeofun C.O.

General

Environmental Sensitivity Index (ESI) mapping of Atlas Cove, Lagos, Nigeria was carried out with the objective of producing an Environmental Analysis Index map of the shorelines. The study integrated methodologies developed by National Oceanic and Atmospheric Administration (NOAA) and Nigerian Oil...

ESI oil spill +3 more

An environmental health information system - assessment of the situation in Greece

by

Cavoura O. , Katsiri A., Katsiris N. , Mantziaras I.D. and Dalbokova D.

General

Presented are the results, with emphasis on the situation in Greece, of the ENHIS-2 project “Establishment of Environment and Health Information System Supporting Policy Making”. The information system is based on a set of Environmental Health Indicators developed and updated by the project...

indicator policy +5 more

Volume 13 - Issue 2

Analysis of tourism potential for Crete island, Greece

by

Mantzarakis A. and Nastos P.

General

To describe the tourism potential of an area, not only single meteorological parameters have to be taken into account, but also thermal sensation and people’s thermal comfort. The latter can be estimated by the use of human energy balance models and the derived thermal indices, which comprise all...

Tourism potential Physiologically Equivalent Temperature +2 more

Municipal solid waste management and landfill site selection in Greece: irrationality versus efficiency

by

Hadjibiros K. , Dermatas D. and Laspidou C.S.

General

Municipal solid waste (MSW) collection and disposal is a major problem of urban environment in the world today. MSW management solutions have to be technologically feasible, legally and socially acceptable and environmentally and financially sustainable. European policy is pushing to a rational...

MSW valorization +8 more

Modelling the dispersion of harmful algal bloom (HAB) in the Thermaikos gulf (NW Aegean Sea)

by

Savvidis Υ.G, Patoucheas D.P., Nikolaidis G. and Koutitas C.G.

General

Coastal hydrodynamics are directly related to important environmental and ecological issues. This paper focuses on the study of harmful phytoplankton cells’ dispersion, after an episode of an algal bloom, based on mathematical modeling. The case of Thermaikos Gulf was used for the simulation. The...

phytoplankton bloom dinophysis +5 more

Application of phosphate water and slime in agriculture: investigation of the mobility of the pollutants using hydrologic modeling

by

Diamantopoulos E., Dercas N., Soulis K., Jellali S. and Stefopoulou A.

General

The use of phosphate slime or phosphate water in a Mediterranean region (Gafsa, Tunisia) was investigated through hydrologic modeling. The simulations were made using the Hydrus 1D software package for a typical soil in the area of Gafsa (Tunisia). Two main applications were examined: mixing the...

hydrologic modeling Phosphates +2 more

Polybrominated diphenyl ethers in humans - sources and exposure

by

Kalantzi O.I. and Siskos P.

General

Polybrominated diphenyl ethers (PBDEs) are a class of widely used flame retardants that are incorporated into a wide range of consumer products such as household appliances, plastics, textiles and computers, to prevent fire. They were first introduced in the environment in the 1970s and their...

polybrominated diphenyl ethers environmental levels +2 more

Volume 13 - Issue 1

Performance evaluation of artificial neural networks in estimating reference evapotranspiration with minimal meteorological data

by

Diamantopoulou M. Georgiou P.E. and Papamichail D.M.

General

Detailed meteorological data required for the equation of FAO-56 Penman-Monteith (P-M) method that was adopted by Food and Agriculture Organization (FAO) as a standard method in estimating reference evapotranspiration (ETo) are not often available, especially in developing countries. The Hargreaves...

neural network techniques Evapotranspiration +2 more

Evaluating landslide susceptibility using environmental factors, fuzzy membership functions and GIS

by

Gemitzi A., Falalakis G., Eskioglou P. and Petalas C.

General

A methodology for landslide susceptibility assessment to delineate landslide prone areas is presented using factor analysis and fuzzy membership functions and Geographic Information Systems (GIS). A landslide inventory of 51 landslides was created in the mountainous part of Xanthi prefecture (North...

landslide susceptibility conditioning factors +2 more

Week Day and Week End Air Ion Variability at Rural station Ramanandnagar (17° 4’ N 74° 25’E), India and At Different Atmospheric Sites in India

by

Pawar S.D., Meena G.S. and Jadhav D.B.

General

Globalization and liberalization polices of the government of India have increased the number of road vehicles nearly 92.6% from 1980-81 to 2003-2004. Therefore to know whether there is effect of increase of industrialization in the urban areas like Pune (18° 32′N, 73° 51′E); Mumbai (18° 55' N, 72°...

Cluster air ion Plant transpiration +3 more

Crop requirements and water losses in collective pressurized irrigation networks in Northern Greece

by

Arampatzis G.K., Evangelides C.H. and Hatzigiannakis E.G.

General

Water volume consumed for crop irrigation at the plain of Thessaloniki – northern Greece, was estimated and compared against the volume reported by the General Land Reclamation Organisation (G.L.R.O.) of Thessaloniki – Lagada. For the estimation of net crop water requirements, apart from crop...

irrigation networks crop requirements +2 more

Adsorption capacity of GAC pilot filter-adsorber and postfilter- adsorber for individual THMs from drinking water, Athens

by

Babi K.G., Koumenides K.M., Makri C.A., Nikolaou A.D. and Lekkas T.D.

General

Trihalomethanes are a major class of chlorination by-products in drinking water. They are formed when chlorine reacts with bromide (Br-) and natural organic matter (NOM) in source waters. Toxicology studies have shown all THMs to be carcinogenic or to cause adverse reproductive or developmental...

TCM BDCM +5 more

Dehalogenation of polychlorinated biphenyls (PCB) by nucleofile reactants at the presence of ionic liquids and under application of microwaves

by

P. Kastanek, F. Kastanek, M. Hajek, J. Sobek and O. Solcova

General

Laboratory-scale experiments were performed in order to examine the effect of microwave field on the effectiveness of KPEG method (nucleophilic substitution of the chlorine atoms in a molecule of PCBs by alkaline polyethylene glycol PEG) in the removal of PCBs from highly contaminated mineral oils...

PCBs mineral oil +5 more

Watershed management with special emphasis on fresh water wetland: a case study of a flood plain wetland in west Bengal, India

by

Biswas M., Samal N.R., Roy P.K. and Mazumdar A.

General

The last few decades we have witnessed an enormous rise in awareness of the importance of wetlands. Mathura beel1 has been assumed to take the attention in recent years because of its ecological significance in terms of flood control, water purification, aquatic productivity, and microclimatic...

Mathura beel water quality monitoring +3 more

A Critical Review of Natural Gas Flares-Induced Secondary Air Pollutants

by

Sonibare J.A.

General

Application of material balance analysis (in one of our previous studies) to natural gas flare in the upstream petroleum operations confirmed the emission of primary air pollutants in form of CO, CO2, NO, and NO2 from “sweet” natural gas while “sour” gas emits SO2 in addition; incomplete combustion...

primary air pollutants secondary air pollutants +4 more

Statistical analysis of trihalomethanes in treated-water tanks: seasonality, local variability and correlations

by

Samios S., Smeti E., Kousouris L., Tzoumerkas P., Nikolaou A., Golfinopoulos S. and Lekkas T.D.

General

Chlorine was accepted as an effective disinfectant for drinking water in early 1900s. Because of chlorination, chlorine has dramatically reduced the incidence of waterborne diseases. An unwanted side effect is the formation of harmful by-products upon chlorination. The most significant group of...

DBPs Disinfection by-products +6 more

Removal of a basic dye from aqueous solution by adsorption using rice hulls

by

El-Maghraby A. and El Deeb H.A.

General

The removal of dyes from colored effluents, particularly from textile industries, is one of the major environmental concerns these days. Current methods for removing dyes from wastewaters are costly and cannot effectively be used to treat wide range of such wastewaters. This work describes the use...

Bioadsorbent Rice Hulls +2 more

Volume 12 - Issue 4

Immobilization of Electric Arc Furnace dust toxic elements within the matrix of concrete based products

by

Sikalidis C., Mitrakas M. and Tsitouridou R.

General

Electric Arc Furnace Dust (EAFD) generated through the production of carbon and alloy steel products is classified as environmentally hazardous waste mainly because of its relatively high levels of Pb, Cd and Cr. The aim of the present work was to investigate the effect of the EAFD addition on the...

EAFD Concrete products +5 more

Modification of the mechanical properties of rubbers by introducing recycled rubber into the original mixture

by

Varga CS. , Miskolczi N., Bartha L. and Palot?s L.

General

In our experimental work the opportunities of improving of mechanical properties of rubbers and their composites have been investigated. On the one hand the reuse of milling product of recycled rubbers (recycled crumb rubbers) has been studied and the effects of the filler and compatibilizers...

compatibilizing additive reuse of recycled rubber +1 more

Estimation of microclimatic data in remote mountainous areas using an artificial neural network model-based approach

by

Chronopoulos K.I.,. Tsiros I.X, Alvertos N. And. Dimopoulos I.F

General

An artificial neural network (ANN) model-based approach was developed and applied to estimate values of air temperature and relative humidity in remote mountainous areas. The application site was the mountainous area of the Samaria National Forest canyon (Greece). Seven meteorological stations were...

Microclimate Artificial neural networks +4 more

Analysis of the evolution in current biomass to energy strategies, policy and regulations in Spain

by

San Miguel G., Servert J. and Canoira L.

General

Global warming is one of the most serious challenges facing humankind as it has the potential to dramatically modify the living conditions of future generations. In order to reduce the emission of greenhouse gases, most countries are implementing regulations aimed at reducing their dependence on...

Renewable energies Biomass +2 more

A comparative study of human thermal comfort conditions in two mountainous regions in Greece during summer

by

Kamoutsis A., Matsoukis A., Chronopoulos K. and Manoli E.

General

Human thermal comfort conditions were determined in two mountainous regions of Greece, Gerania mountains (MG) in east continental Greece, and mountainous Nafpaktia (MN) in west continental Greece. Both regions are unexploited with considerable tourist potential. Four sites in each study region were...

thermohygrometric index Artificial neural networks +2 more

Discarded tyre rubber as concrete aggregate: a possible outlet for used tyres

by

Mavroulidou A. and Figueiredo J.

General

Discarded vehicle tyres constitute one important part of solid waste which had historically been disposed of into landfills. Recent EU policies on the Landfilling of Waste (Council Directive 1999/31/EC) have however put a ban on the landfilling of whole or shredded tyres, creating an imminent need...

Solid waste management used vehicle tyres +1 more

Evaluation of postfire restoration in peri-urban forest of Thessaloniki, Northern Greece

by

Spanos I.A., Ganatsas P.P. and Tsakaldimi M.N.

General

Postfire plantation results and pattern of natural revegetation process were monitored for six years after wildfire in the artificial Pinus brutia forest of the suburban park of Thessaloniki, northern Greece. Some flood-preventing treatments and plantings took place on half of the burned area...

natural revegetation Pinus brutia +2 more

Decentralized aerobic composting of urban solid wastes: Some lessons learned from Asian-EU cooperative research

by

Karagiannidis A., Theodoseli M., Malamakis A., Bilitewski B., Reichenbach J., Nguyen T., Galang A. a... View all

General

Composting of organic solid wastes is gaining in importance worldwide, in the frame of integrated municipal solid waste management and, in particular, the diversion of biodegradables from landfilling. At the post-consumer stage, this can be achieved by composting practices ranging from large-scale...

composting local scale +2 more

Volume 12 - Issue 3

Eroded plastic pellets as monitoring tools for polycyclic aromatic hydrocarbons (PAH): laboratory and field studies

by

Karapanagioti H.K., Ogata Y. and Takada H.

General

Through transportation accidents or intentional releases, plastic pellets (small granules 1-5 mm in diameter) are widely distributed in the ocean all over the world. These pellets accumulate organic pollutants and can be used for the determination of diffusive seawater pollution. Pellets...

Polyethylene Polypropylene +4 more

The mechanism of retention of vanadium oxo-species at the “titanium oxide / aqueous solution" interface

by

Tella E., Panagiotou G.D., Petsi T., Bourikas K., Kordulis C., and Lycourghiotis A.

General

The mechanism of retention of vanadium oxo-species at the “titanium oxide/aqueous solution” interface was investigated over a wide pH range (4-9) and V(V) solution concentration (10-5-2×10-2 M) by combining equilibrium deposition experiments, potentiometric titrations, microelectrophoresis and...

titania vanadates +8 more

Effect of growth conditions on biosorption of cadmium and copper by yeast cells

by

Anagnostopoulos V.A., Symeopoulos B.D. and Soupioni M.J.

General

The dependence of Cd(II) and Cu(II) uptake by yeast cells on the age and temperature of cell culture was studied. Saccharomyces cerevisiae, Kluyveromyces marxianus and Debaromyces Hansenii were chosen as typical yeasts, while Cd(II) and Cu(II) as typical metal pollutants. Our results revealed that...

uptake Removal +5 more

Removal of ammonia by clinoptilolite

by

Zabochnicka-Swiatek M. and Malinska K.

General

The important advantage of zeolite applied to water treatment is its high porosity when comparing to other minerals. The porosity results in good hydrodynamic properties (the increase in the pressure loss on the zeolite filters is 1.5-2.0 times smaller than in the case of sand filters) and...

clinoptilolite ammonium ion removal +1 more

Heavy-metal uptake by a high cation-exchange-capacity montmorillonite: the role of permanent charge sites

by

Stathi P., Papadas I.T. , Tselepidou A. and Deligiannakis Y.

General

A High Cation Exchange Capacity (HCM) montmorillonite clay has been prepared by acetate treatment of Zenith clay. The HCM has been evaluated for metal-uptake from aqueous solutions. The present data show that the cation exchange sites can play a significant role in the adsorption of metals in...

Montmorillonite CEC +4 more

Removal of refractory organic sulfur compounds in fossil fuels using MOF sorbents

by

Blanco-Brieva G., Campos-Martin J.M., Al-Zahrani S.M. and Fierro J.L.G.

General

The stringent new regulations to lower sulfur content in fossil fuels require new economic and efficient methods for desulfurization of recalcitrant organic sulfur. Hydrodesulfurization of such compounds is very costly and requires high operating temperature and pressure. Adsorption is a non...

Adsorption organo-sulfur compounds +4 more

Poly(sodium acrylate) hydrogels as potential pH-sensitive sorbents for the removal of model organic and inorganic pollutants from water

by

Bekiari V. and Lianos P.

General

Anionic poly(sodium acrylate), PANa, hydrogels bearing negatively charged –COO- groups were used as sorbents for the removal of colored organic or inorganic model pollutants, namely Crystal Violet and Cu2+, from water. It was found that PANa hydrogels adsorb stronger Cu2+ions than Crystal Violet, as...

sodium acrylate poly +5 more

Adsorption of atrazine in packed beds

by

Kovaios I.D., . Paraskeva C.A, and Koutsoukos P.G

General

The adsorption of the herbicide atrazine in packed beds filled with solids modelling soil components, (silica and humic acid), was studied at conditions simulating the adsorption of atrazine in cultivated soils. The choice of only two constituents of soil in the experimental study was based on the...

Atrazine herbicide +4 more

Study of polyacrylic acid adsorption on the interface of hydroxyapatite – electrolyte solutions

by

Hafez I.T., Paraskeva C.A., Klepetsanis P.G. and Koutsoukos P.G.,

General

The adsorption of polyacrylic acid (PAA) on hydroxyapatite (HAP) from HAP saturated solutions was studied in this work as a function of PAA concentration, temperature, pH and ionic strength. In all experiments, the adsorption was studied under conditions of negatively charged adsorbent and adsorbate...

Hydroxyapatite polyacrylic acid +3 more

Study of the Cu(II) removal from aqueous solutions by adsorption on titania

by

Georgaka A. and Spanos N.

General

The removal of heavy metals from wastewaters is a matter of paramount importance due to the fact that their high toxicity causes major environmental pollution problems. One of the most efficient, applicable and low cost methods for the removal of toxic metals from aqueous solutions is that of their...

pzc surface charge +3 more

Polychlorinated biphenyl sorption to activated carbon and the attenuation caused by sediment

by

Hale S.E., Kwon S., Ghosh U. and Werner D.

General

Activated carbon (AC) is currently being used to treat polychlorinated biphenyl (PCB) contaminated field sediment. In the presence of sediment, the sorption capacity of AC for PCBs can be reduced. In this study, sorption attenuation of AC is investigated using previously published data from 5...

PCB activated carbon-water partitioning coefficient +5 more

Volume 12 - Issue 2

Copper, nickel and zinc removal by peanut hulls: batch and column studies in mono, tri-component systems and with real effluent

by

Oliveira F.D. , Soares A.C., Freitas O.M. and Figueiredo S.A.

General

The main goal of this research study was the removal of Cu(II), Ni(II) and Zn(II) from aqueous solutions using peanut hulls. This work was mainly focused on the following aspects: chemical characterization of the biosorbent, kinetic studies, study of the pH influence in mono-component systems...

Biosorption Copper +8 more

Gasification of grapevine pruning waste in an entrained-flow reactor: gas products, energy efficiency and gas conditioning alternatives

by

Hernandez J.J., Aranda G., San Miguel G. and Bula A.

General

Owing to its higher efficiency and versatility, gasification is seen as a necessary evolution in the development of biomass energy systems. This technology has been primarily tested in fixed bed (updraft and downdraft) and fluidised bed reaction systems, with less information available about the...

Biomass grapevine +5 more

Application of qualitative analysis techniques to the environmental modeling of plant species cultivation

by

Kalavrouziotis I.K., Visiskirsky V., Stepashko V. and Koukoulakis P.

General

The main issue discussed in the paper is the application of qualitative analysis techniques when short data samples are available at the initial stage of experiments carried out to study behaviors of agricultural plant species under different environmental conditions. The proposed techniques are...

Environmental modeling Agriculture +4 more

Detoxification of toxic metal ions by sorption onto activated carbon from hevea brasiliensis bark – a comparative study

by

Kannan N. and Veemaraj T.

General

Sorption of toxic metal ions (Ni2+, Cu2+ and Cd2+) from Hevea brasiliensis bark carbon (HBBC) was carried out at 30±1 °C under various experimental conditions. Effect of various process parameters has been investigated by following the batch adsorption technique at 30 +1°C. The percentage removal...

Toxic metal ions Hevea brasiliensis bark carbon +3 more

Wave and Dissolved Oxygen Transmission Analysis in Harbors using Flushing Culverts: An Experimental Aproach

by

Tsoukala V.K., Gaitanis C.K., Stamou A.I. and Moutzouris C.I.

General

One of the most favorable and cost-saving methods to counteract water quality deterioration in a harbor basin is the use of flushing culverts, which reduce flushing times and avoid areas of low flow and eddies formation. In the present paper, results of experiments carried out in a 2-D facility in...

transmission coefficient Water quality +2 more

Kinetic and isotherm modeling of adsorption of dyes onto rice husk carbon

by

Verma V.K. and Mishra A.K.

General

Rice husk carbon (RHC) has the ability to adsorb the dyestuff from aqueous solution. It may be useful low cost adsorbent for the treatment of effluents, discharged from textile industries. The effectiveness of RHC have been tested for the removal of colour from the wastewater samples containing...

Wastewater Adsorption +3 more

Analytical solutions to the stream-aquifer interaction problem: a critical review

by

Spanoudaki K., Nanou-Giannarou A., Paschalinos Y.,. Memos C.D And Stamou A.I.

General

The aim of the present paper is to give a systematic and critical presentation of important existing analytical solutions for transient stream-aquifer interaction, which can be used to give answers to simple interaction problems or to verify mathematical models. Stream-aquifer interaction is the...

stream-aquifer interaction analytical solutions +2 more

Nitrogen removal efficiency of an A2/O bio-reactor treating domestic sewage mixed with landfill leachate and fecal sewage

by

Yu J. and Zhou S.

General

A set of anaerobic-anoxic-aerobic (A2/O) bio-reactor system was used to treat domestic sewage mixed with landfill leachate and fecal sewage in Datansha Sewage Treatment Plant in Guangzhou China. The experiment investigated the optimal mixing proportion of treating landfill leachate, fecal sewage...

A2/O Anaerobic-Anoxic-Aerobic process +4 more

Sustainable water resources management through the use of GIS technology

by

Mouratidis I., Dimopoulos G., Astaras T. and Savvidis S.

General

The increasing water demand, the prolonged drought periods and the human influence in natural resources that put in danger the quantity and quality of water resources, highlight the importance for rational management and exploitation of water resources in terms of sustainable development of an area...

water resources management Sustainable Growth +3 more

Impact of changing rainfall conditions on surface and groundwater resources in an experimental watershed in Greece

by

Baltas E.A., Dervos N.A. and Mimikou M.A.

General

The present study concerns the impact of a change in the rainfall regime on surface and groundwater resources in an experimental watershed. The research is conducted in a gauged mountainous watershed (15.18 km2) that is located on the eastern side of Penteli Mountain, in the prefecture of Attica...

Hydrometric stations raingauges +2 more

Volume 12 - Issue 1

A spatially allocated emissions inventory for Cyprus

by

Tsilingiridis G., Sidiropoulos C., Pentaliotis A., Evripidou C., Papastavros C., Mesimeris T. and Pa... View all

General

In this paper, a detailed spatial allocated emissions inventory for Cyprus is presented. Topdown and bottom-up methodologies are implemented and emissions are estimated from all anthropogenic sources for the reference year 2002 with the aid of state-of-the-art algorithms. Emission factors...

Air Pollutants air quality +3 more

An air quality management system for Cyprus

by

Moussiopoulos N., Douros I., Tsegas G., Kleanthous S. and Chourdakis E.

General

The new Air Quality Directive (2008/50/EC) encourages the introduction of modelling as a necessary tool for air quality assessment and management. Towards this aim, a new Air Quality Management System (AQMS) has been developed and installed in the Department of Labour Inspection of the Republic of...

air quality Air quality management +4 more

Relationship between airborne microbial and particulate matter concentrations in the ambient air at a mediterranean site

by

Raisi L., Lazaridis M. and Katsivela E.

General

The relationship between the viable airborne bacterial and fungal concentrations and the respirable particulate matter with aerodynamic diameter less than 10 μm (PM10), 2.5 μm (PM2.5), and 1 μm (PM1) in the ambient air was studied. An Andersen six stage viable particle sampler and a MAS 100 sampler...

viable airborne bacteria and fungi particulate matter +1 more

Atmospheric PM10 particle concentration measurements at central and peripheral urban sites in Athens and Thessaloniki, Greece

by

Kalabokas P.D.,Adamopoulos A.D. and Viras L.G.

General

The analysis of the PM10 particle measurements at the two major urban areas of Greece, Athens and Thessaloniki, showed that the mean monthly PM10 concentrations at the central urban stations, are on the average about twice as high than the corresponding ones at the examined peripheral stations. The...

air pollution Urban PM10 concentrations +5 more

Polycyclic aromatic hydrocarbons (PAHs) in fine and coarse particles

by

Evangelopoulos V., Albanis T.A., Asvesta A. and Zoras S.

General

About 140 samplings of fine and coarse particles were gathered during the year 2006 in Kozani that represent an urban area surrounded by opencast coal mining. A low volume dichotomus sampler has been used to trap suspended particles. The filters used were teflon, which are ideal for analysis in the...

Fine Coarse +2 more

Size distribution and chemical composition of airborne particles at Akrotiri Research Station, Crete, Greece

by

Kopanakis I., Lydakis – Simantiris N., Katsivela E., Pentari D., Zarmpas P., Mihalopoulos N. ... View all

General

Particulate matter measurements were performed at the Akrotiri research station on the island of Crete (Greece) using an 8-stages Andersen non-viable impactor. The main purpose of the current work was to measure the ambient levels of PM10 particulate matter as well as the concentrations of metals...

atmospheric aerosols Metals +3 more

Dispersion modeling of odours emitted from pig farms: winter-spring measurements

by

Latos M., Karageorgos P., Mpasiakos Ch., Kalogerakis N. and Lazaridis M.

General

One of the main environmental impacts of pig farms are the swine odours emitted from the various stages of the process. The main cause of odour emissions from pig farms are the anaerobic processes in manure. Numerous factors affect odour emissions such as diet, manure management and manure age. The...

odour dispersion modeling odour measurements +3 more

Numerical modelling of flow structures over an industrial site: effect of the surrounding buildings on dust emissions

by

Turpin C. and Harion J.L.

General

In this paper, three-dimensional numerical simulations are used to simulate the wind flow structure over coal stockpiles of a real configuration of a power plant. Two configurations are tested for various wind directions: the first one without representing the buildings and the second one with the...

CFD Computational Fluid Dynamics +4 more

Optimizing the performance of Kalman filter based statistical time-varying air quality models

by

Hoi K.I., Yuen K.V. and Mok K.M.

General

In this study, the Bayesian approach is proposed to estimate the noise variances of Kalman filter based statistical models for predicting the daily averaged PM10 concentrations of a typical coastal city, Macau, with Latitude 22°10’N and Longitude 113°34’E. By using the measurements in 2001 and 2002...

Bayesian inference Kalman Filter +3 more

Particulate matter investigation in indoor environment

by

Estokova A., Stevulova N. and Kubincova L.

General

Particulate matter is one of the most important indoor air pollutants involved in a number of adverse health effects, such as premature deaths and increased mortality of infants and other parts of sensitive population. This paper focuses on investigation of metal substances of suspended as well as...

PM10 Aerosol +2 more

Indoor / outdoor PM levels and EC surrogate, at typical microenvironments in the Athens area

by

E. Diapouli, A. Chaloulakou and N. Spyrellis

General

The aim of the present work was to characterize particulate matter (PM) and elemental carbon (EC) indoor and outdoor concentration levels in the Athens area and to examine the contribution of ambient air to the observed indoor levels. 24-hr simultaneous indoor and outdoor PM10 and PM2.5 measurements...

Indoor / outdoor levels PM10/PM2.5 +3 more

Contribution of traffic and tobacco smoke in the distribution of polycyclic aromatic hydrocarbons on outdoor and indoor PM2.5

by

D. Castro, K. Slezakova, C. Delerue-Matos, M.C. Alvim-Ferraz, S. Morais and M.C. Pereira

General

Traffic emissions and tobacco smoke are considered two main sources of polycyclic aromatic hydrocarbons (PAHs) in indoor and outdoor air. In this study, the impact of these sources on the level of fine particulate matter (PM2.5) and on the distribution of 15 PAHs regarded as priority pollutants by...

Indoor and outdoor air PAHs +3 more

Volume 11 - Issue 4

Determination of PAHs in marine sediments: analytical methods and environmental concerns

by

Nikolaou A., Kostopoulou M., Lofrano G. and Meric S.

General

Polycyclic Aromatic Hydrocarbons (PAHs) are one of the major categories of pollutants entering the marine environment and finally accumulating in the sediments. Their occurrence raises major concerns for human health, especially during coastal activities (bathing waters, aquaculture, etc), having...

Polycyclic aromatic hydrocarbons marine sediment pollution +1 more

Neural networks approached for modelling river suspended sediment concentration due to tropical storms

by

Wang Y-M., Kerh T. and Traore S.

General

Artificial neural networks are one of the advanced technologies employed in hydrology modelling. This paper investigates the potential of two algorithm networks, the feed forward backpropagation (BP) and generalized regression neural network (GRNN) in comparison with the classical regression for...

event-based sediment turbidity +4 more

Evaluation of dissipation mechanisms for pyrene by maize (Zea Mays L.) in cadmium co-contaminated soil

by

Zhang H., Dang Z., Yi X.Y., Yang C., Zheng L.C. and Lu G.N.

General

Sites co-contaminated with organic and metal pollutants are common and considered to be a more complex problem, as the two components often have a synergistic effect on cytotoxicity. This study investigated the dissipation mechnisms for pyrene in cadmium co-contaminated soil in which maize (ZEA MAYS...

Phytoremediation compound contamination +2 more

Heavy metal interrelationships in soil in the presence of treated waste water

by

Kalavrouziotis I.K., Koukoulakis P.H. and Papadopoulos A.H.

General

An experiment was conducted in a greenhouse located in Agrinion, Greece, in order to study the effect of the treated municipal wastewater (TMWW) on the soil heavy metal interactions, in comparison to ordinary well irrigation water, denoted as control. The ultimate aim was the establishment of sound...

Heavy metal Interaction +2 more

Changes in Greek industry and their effect on air pollutant emissions

by

Tsilingiridis G.

General

Energy use in Greek Industry, fuel mix changes and contribution of major sectors from 1960 to 2004 are presented and analysed. Energy related air pollutant emissions are estimated and presented too. Energy use in Industry has shown a growing trend. Residual fuel oil was the predominant energy form...

Fuel mix Energy +4 more

Aircraft air pollutant emissions in Greek airports

by

Tsilingiridis G.

General

During recent years special attention has been paid to various environmental impacts from aircraft emissions. The effects become more important considering the present situation in the air traffic sector and future expectations for higher air travel demands. In this paper the evolution of aircraft...

air pollution LTO +5 more

Soil water management problems using fuzzy arithmetic

by

Halkidis I.N., Tzimopoulos Ch.D., Evangelides Ch.H., and Sakellariou-Markantonaki M.

General

Drainage management problems are usually very hard to simulate due to the uncertainty of the hydraulic parameters involved. Fuzzy analysis is one of the available tools that can be used for such problems, involving uncertain data. A fuzzy analysis approach usually involves the consideration of...

Drainage management fuzzy numbers +4 more

An investigation on treatment of tannery wastewater by electrocoagulation

by

Apaydin O., Kurt U., Gonullu M.T.

General

Treatability by the electro-coagulation (EC) and electro-Fenton (EF) methods have been applied to the tannery wastewater from an organized industrial region consisting mostly of tannery plants and compared with each other in this study. Iron plates were used as the anode and cathode. Electrical...

Electrocoagulation Electrofenton +4 more

Influence of inorganic oxidants and metal ions on photocatalytic activity of prepared zinc oxide nanocrystals

by

Seyed Dorraji M.S., Daneshvar N. and Aber S.

General

Zinc oxide nanocrystals were prepared by precipitation method using ZnSO4.7H2O and NaOH as raw materials. The prepared ZnO nanocrystals were characterized by powder X-ray diffraction (XRD). Primary objective was to focus on the influence of inorganic oxidants, metal ions and anions on photocatalytic...

ZnO Photocatalysis +4 more

Prediction and study of passive pollutant dispersion in a street-canyon in London using computational fluid dynamics techniques

by

Galani A., Neofytou P., Venetsanos A., Bartzis J. and Neville S.

General

Pollution levels in an urban street-canyon area are determined numerically as part of the European research project OSCAR using the ADREA-HF code. Aim of the modeling is twofold: (i) to investigate the flow-field and carbon monoxide (CO) concentrations in the area and (ii) compare with measurements...

Pollutant Dispersion +2 more

Optimization of the furrow irrigation efficiency

by

Ampas V. and Baltas E.

General

Furrow irrigation is used for row crops. S.C.S., based on a great number of field experiments, under different circumstances and soil families, has developed design equations for furrow irrigation. These equations have been used for steady flow rate or for flow rate with one reduction when the water...

Design equations of S.C.S. optimisation +1 more

Biological pretreatment of municipal solid waste prior to landfilling

by

Mahar R.B., Yue D., Liu J., Zhang Y. and Nie Y.

General

The conventional landfilling does not promote sustainable waste management due to uncontrolled emissions which potentially degrade the environment. In this regard, pre-treatment of municipal solid waste prior to landfilling significantly enhance waste stabilization and provides various advantages...

Biodegradation Pretreatment Municipal Solid Waste +2 more

Disposal options for dredged marine sediments based on physicochemical and toxicological characterization

by

Katsiri A., Pantazidou M. , Damikouka I., Kontogiorgi Ch. and Tringali A.

General

This paper presents a methodology of evaluating management options for dredged sediments on the basis of an array of characterization tests and gives an example application for the sediments of Piraeus port. A conceptual model is proposed to guide selection among three management options. The model...

sediment disposal dredged material +7 more

Spatial hedonic pricing models for the valuation of irrigation water

by

Mallios Z., Papageorgiou A., Latinopoulos D. and Latinopoulos P.

General

The main objective of this work is to apply the hedonic pricing method using the methodology of spatial econometrics in order to assess the economic value of irrigation water, as one of the individual attributes of the value of agricultural land parcels. Most of the agricultural land’s value...

revealed preferences spatial regression +2 more

Applications of FTIR spectroscopy in environmental studies supported by two dimensional correlation analysis

by

Mecozzi M., Moscato F., Pietroletti M., Quarto F., Oteri F. and Cicero A.M.

General

In this paper, we report the joint use of FTIR spectroscopy and two dimensional correlation analysis (2DCORR) applied to the identification of the aggregation pathways of natural organic matter (i.e. humic substance) extracted from marine sediments and in the second case of study, to the comparison...

FTIR spectroscopy 2D correlation analysis +5 more

A novel tool for estimating the odour emissions of composting plants in air pollution management

by

Zarra T., Naddeo V. and Belgiorno V.

General

Odour emissions are a major environmental issue in sanitary environmental engineering plants, due to the increasing number of complaints being made by the exposed population. The particular and complex nature of the substances considered to be the cause of the odour impact, their variability in time...

Odour measurement Volatile organic compounds VOC +5 more

Investigation of the Annual Variability of the Aleppo Pine Tree-Rings Width: the Relationships with the Climatic Conditions in the Attica Basin

by

Papadopoulos A., Tolika K., Pantera A. and Maheras P.

General

The relationships between the annual variability of the Aleppo pine tree-ring widths and the variability of the main climatic parameters in the Attica basin are analysed in the present study for a 45-year period (1959-2003). The Principal Components Analysis was applied to the times-series of the...

dendroclimatology climatology +2 more

Volume 11 - Issue 3

Stabilization/Solidification (S/S) Pb and W Contaminated Soils using Type I/II Portland Cement, Silica Fume Cement and Cement Kiln Dust

by

Grubb D., Moon D., Reilly T., Chrysochoou M. and Dermatas D.

General

Stabilization/solidification (S/S) processes were utilized to immobilize lead (Pb) and tungsten (W) in contaminated soils, the inclusion of W motivated by the use of the new W-based ammunition. Artificially contaminated soils were prepared by mixing either kaolinite or montmorillonite with 10% Pb...

Evaluation of analytical methods to address Tungsten speciation

by

Ogundipe A., Pavlov J., Braida W., Koutsospyros A., Sen G. and Christodoulatos C.

General

Tungsten in solution may exist as a wide variety of species depending on concentration, pH, and aging time. Despite a substantial number of studies on this topic, the speciation of tungsten in aqueous solutions is still not completely understood. To address issues of fate, transport and potential...

Tungsten speciation Environmental +2 more

The effect of heavy metals and temperature on microbial growth and lag

by

Gikas P., Sengor S.S., Ginn T.R., Moberly J. and Peyton B.

General

A mathematical model to simulate microbial growth and lag time is proposed in the present work in accordance with Sengor et al. (2009). The model is verified experimentally for a mixed microbial culture growing at metal free and at Cr(III) or Cr(VI) contaminated environments. The model is further...

Modeling Heavy metals +3 more

Removal of Specific DBP by GAC in Galatsi (Athens) WTP

by

Lekkas T.D., Babi K., Koumenides K., Makri C.A., Lekkas D.F. and Nikolaou A.D.

General

The objective of this pilot-study is to evaluate the Granular Activated Carbon (GAC) performance for the removal of specific disinfection by-products (DBPs), trihalomethanes (THMs) and haloacetic acids (HAAs), from Athens drinking water. For this purpose, a GAC pilot filter-adsorber was operated in...

GAC Adsorption +9 more

Use of micro X-ray absorption spectroscopy and diffraction to delineate Cr(VI) speciation in COPR

by

Chrysochoou M. , Moon D.H. , Fakra S., Marcus M., Dermatas D. and Christodoulatos C.

General

The speciation of Cr(VI) in Cromite Ore Processing Residue was investigated by means of bulk XRD, and a combination of micro-XRF, - XAS and –XRD at the Advanced Light Source (ALS), Berkeley, CA, U.S.A.. Bulk XRD yielded one group of phases that contained explicitly Cr(VI) in their structure, Calcium...

chromium chromite ore processing residue +2 more

3-D Water Quality Simulations in Mornos Reservoir

by

Papadimitrakis I. and Karalis S.

General

Simulations were performed of the 3-D hydrodynamic circulation and of the associated water quality behavior in Mornos Reservoir, under real environmental conditions, during the period 2003-2005. The water quality simulations, guided by observations taken at the contributing tributaries and at the...

3D Models Reservoirs +1 more

Anaerobic digestion of olive mill wastewater

by

Blika P.S., Stamatelatou K., Kornaros M. and Lyberatos G.

General

Anaerobic digestion of olive-mill wastewater (OMW) was carried out in a continuously fed mode bioreactor. The bioreactor was operated at different hydraulic retention times (HRTs), using OMW, either raw or pre-treated with white-rot fungi. Two different kinds of feed were tested in this process, one...

Anaerobic digestion OMW +2 more

Disinfection of municipal wastewater by TiO2 photocatalysis with UV-A, visible and solar irradiation and BDD electrolysis

by

Melemeni M., Stamatakis D., Xekoukoulotakis N.P., Mantzavinos D. and Kalogerakis N.

General

The efficiency of TiO2 photocatalysis induced by ultraviolet and visible irradiation and salt-free electrolysis over boron-doped diamond electrodes to inactivate total (TC) and fecal (FC) coliforms in secondary treated municipal wastewater was evaluated. Photocatalytic experiments were conducted...

Heterogeneous photocatalysis Electrochemical Oxidation +3 more

Optimization of groundwater resources management in polluted aquifers

by

Katsifarakis K., Mouti M. and Ntrogkouli K.

General

Τhis paper focuses on optimal management of aquifers with pollution problems. Genetic algorithms are used as the optimization tool, while advective pollutant transport is simulated by means of a moving point technique. The approach is illustrated by means of two application examples. In the first we...

aquifer pollution optimal management +3 more

Sources and variability of non-methane hydrocarbons in the Eastern Mediterranean

by

Arsene C., Bougiatioti A., Mihalopoulos N.

General

The volume mixing ratios of non-methane hydrocarbons including saturated, unsaturated and aromatic ones (C2 to C8 as non methane hydrocarbons, NMHCS) were measured at three distinct sites (natural, rural, urban) in the lower troposphere of the Eastern Mediterranean from February 2006 to March 2007...

non-methane hydrocarbons variability +2 more

Use of simulation models in the protection of groundwater aquifer systems. Application at the Upper Anthemountas basin in Chalkidiki, Greece

by

Mitsios P., Tsilonis G. and Theodossiou N.

General

The importance of the development and application of groundwater simulation mathematical models in the protection of aquifer systems is nowadays recognised as an undisputable fact. In this paper a mathematical model that was developed in order to simulate the operation of the Upper Anthemountas...

groundwater management mathematical modelling +2 more

Volume 11 - Issue 2

Production of copper powder form printed circuit boards by electrodeposition

by

Masavetas I., Moutsatsou A., Nikolaou E., Spanou S., Zoikis-Karathanasis A., Pavlatou E.A. and Spyre... View all

General

During the last years, the waste electrical and electronic equipment (WEEE) are gathering attention, as a very special section of waste. In fact, they have been proven to be source for the recovery of metals. In the present study printed circuit boards (PCBs) were cut and treated thermally at 500oC...

Printed circuit boards leaching +3 more

Treatment of distillery spent wash by combined UF and RO processes

by

Murthy Z.V.P. and Chaudhari L.B.

General

The present study deals with the treatment of distillery spent wash by an ultrafiltration (UF) membrane followed by reverse osmosis (RO) membrane on a pilot scale membrane setup. The performance of the system was evaluated by varying applied pressure on the thin-film composite polyamide (TFC-PA) UF...

Distillery effluent Spentwash +2 more

Super Absorbent Polymers in Environmental Remediation

by

Dhodapkar R., Borde P. and Nandy T.

General

Laboratory studies reported earlier, have shown very promising results in the selective removal of dyes from aqueous solutions by a commercially available (super absorbent polymer) SAP, Jalshakti® (JS). JS is mesoporous in nature and is a potential adsorbent for the basic dyes studied. This paper...

Super absorbent polymers Jalshakti +3 more

Development of a biofilter media for removal of hydrogen sulphide

by

Shareefdeen Z.Μ.

General

Industrial facilities emit pollutant air that contains volatile organic compounds (VOCs) and reduced sulphur compounds (RSCs) which are nuisance, corrosive to materials and dangerous to health. In recent years, biofiltration has replaced numerous conventional processes (i.e. adsorption) due to its...

bioreactor media +3 more

Using wood and bone ash to remove metal ions from solutions

by

Chojnacka K. and Michalak I.

General

In the present work, wood and bone ash were used to remove metal cations from solutions. Cation-removal capacity of the ashes was analyzed by potentiometric titration. It was found that the capacity of wood ash was two times higher (37.3 meq g-1) than bone ash (15.2 meq g-1). Kinetics of metal ions...

wood and bone ash kinetics +13 more

Determination of the optimal conditions for the adsorption of cadmium ions and phenol on chestnut(Castanea sativa) shell

by

Vazquez G., Gonzalez-Alvarez J., Freire M.S., Calvo M., Antorrena G.

General

Adsorption of cadmium ions and phenol from aqueous solutions on chestnut (Castanea sativa) shell was studied. An incomplete 33 factorial design was applied to investigate the influence of the initial cadmium ions (20-60-100 mg l-1) or phenol concentration (0.01-0.255- 0.5 g l-1), temperature (10-25...

Removal cadmium ions +3 more

Treatment and valorisation of stormwater sediments

by

Petavy F., Ruban V., Conil P., Viau J-Y. and Auriol J.C.

General

The objective of this research is to show how sediment micro-pollution, including heavy metals, hydrocarbons and PAHs, can be reduced by means of a physical treatment based on screening and attrition. The study was carried out on five stormwater sediments, the developed pilot unit allows to isolate...

attrition Heavy metals +3 more

Bioremediation of crude oil-bearing soil: Evaluation of rhamnolipid addition as for the toxicity and crude oil biodegradation efficiency

by

Millioli V.S., Servulo E.F.C., Sobral L.G.S. and de Carvaiho D.D.

General

This work is aimed at evaluating the potentiality of adding a rhamnolipid biosurfactant in a petroleum-bearing soil. For this purpose, dehydrogenase activity and seed germination (Lactuca sativa) testes were performed before the biodegradation assays with different concentrations of rhamnolipid (1...

Bioreactors Biodegradation +4 more

A method to characterize the influence of air distribution on the composting treatment: monitoring of the thermal fields

by

Henon F., Tremier A., Debenest G., Quintard M. and Mertel J-L.

General

In a composting process the monitoring of heat flows is a useful tool in terms of phenomenological comprehension and diagnosis of the process. Indeed, the temperature fields are generic markers of the micro-biological phenomena governing a composting process. Moreover, as heat flows are largely...

composting temperature distribution +1 more

Estimation of future methane production from Hellenic landfills

by

Tsatsarelis T. and Karagiannidis A.

General

The main objective of this research was to predict expected methane generation in Hellenic sanitary landfills, in order to evaluate its potential for energy production and to ensure health and safety in and around these sites on the long term. The study was performed for the period 2008 – 2028 with...

landfill gas Sanitary landfills +3 more

High Strength Geopolymers Produced from Coal Combustion Fly Ash

by

Nugteren H.W., Butselaar-Orthlieb V.C.L and Izquierdo M.

General

High strength geopolymers were produced from coal combustion fly ashes. These matrices reached compressive strength values over 100 MPa, much stronger and denser than obtained by using Portland Cement binders. Size fractions were obtained by size separation techniques and the relationship between...

fly ash Geopolymer +3 more

Valorisation of fly ashes by geopolymerisation

by

Provis J.L., Duxson P., Harrex R.M., Yong C-Z. and van Deventer J.S.J.

General

Coal fly ashes and metallurgical slags are currently widely used as supplementary cementitious materials in production of Portland cement-based concretes. However, this application makes very poor use of the intrinsic reactivity of the glassy phases present in the waste materials, and can hardly...

Geopolymer fly ash +2 more

Effect of additives on the compressive strenght of slag-based inorganic polymers

by

Zaharaki D. and Komnitsas K.

General

The present paper aims to assess the effect of various additives on the compressive strength of inorganic polymers (geopolymers) synthesised using low Ca electric arc ferronickel slag and alkali activating solutions. The main operating parameters include pre-curing (48 hours), temperature (40 to 80...

inorganic polymer Compressive strength +2 more

Utilization of metallurgical solid by-products for the development of inorganic polymeric construction materials

by

Giannopoulou I., Dimas D., Maragkos I. and Panias D.

General

This paper deals with the geopolymerization of the red mud generated in the primary aluminium production and the slag generated in the ferronickel production, in order to develop inorganic polymeric materials with advanced mechanical and physical properties. In particular, the effect of the main...

geopolymerization geopolymers +2 more

Decision support systems in solid waste management: A case study at the national and local level in Greece

by

Abeliotis K., Karaiskou K., Togia A. and Lasaridi K.

General

Decision support systems (DSS) are used to aid at solid waste management, a tedious problem with many technical, economic and social constraints. The main DSS available are briefly presented and the development of a novel system, ReFlows, is described. The novelty of the developed DSS consists of...

Solid waste DSS +3 more

Volume 11 - Issue 1

The promotion of salt quality through optimizing brine concentration a new technique “bidirectional brine concentration”

by

Zhiling J. and Guangyu Y.

General

The commonly accepted brine concentration practice in most Chinese Northern solar works is to pump the sea water into salt works and then let it go through a physical changing process of natural evaporation, condensation and crystallization, during which, weather factor and the soil nature have to...

solar salt saltponds ecosystem +1 more

Rehabilitation of abandoned saltworks to maximize conservation, ecotourism and water treatment potential

by

Crisman T.L., Takavakoglou V., Alexandridis T., Antonopoulos V. and Zalidis G.

General

Numerous saltworks have been abandoned throughout the Greek islands and mainland as operations have decreased in number and increased in size. Such areas have great potential for serving the broader society if rehabilitated correctly. Changes in landscape uses recently, especially agricultural...

Saltworks restoration +3 more

The Yannarie Solar Project: Design of a Solar Saltfield in Western Australia to Safeguard the Natural Environment

by

Mottershead R. and Davidson P.

General

The Northwest Coast of Western Australia is the location for a number of large solar saltfields. More than 10 million tonnes of high grade solar salt is exported annually from these saltfields; predominantly servicing the chloralkali industries of Northern and Southeast Asia. Straits Resources...

solar saltfield Yannarie +2 more

Phytoplankton and macrofauna in the low salinity ponds of a productive solar saltworks: Spatial variability of community structure and its major abiotic determinants

by

Evagelopoulos A., Spyrakos E. and Koutsoubas D.

General

This paper focuses on the structure of the phytoplankton and macrobenthic invertebrates communities in a productive solar saltworks, as well as the major abiotic determinants of the observed biotic patterns. The observed patterns in the structure of the biotic communities attest that the ecosystem...

salinas Salinity +4 more

Solar saltworks' wetland function

by

Korovessis N. and Lekkas T.D.

General

Salt, the world’s best-known mineral, is the chemical substance most related to human civilization history. Apart from his significance for the creation of life on the planet it has been used as main commodity for centuries. Man produces salt by solar evaporation since the dawn of human civilization...

Solar saltworks Production process +5 more

The ecological importance of the Margherita di Savoia Saltworks

by

Zeno C.

General

The Margherita di Savoia Saltworks, located in Apulia (South Italy), are the largest productive saltworks in Italy. They are connected with the Apulian wetlands, an important network thanks of its central geographic position, between the east and west of the Mediterranean basin. Several species and...

Lake Salpi long-term salt production +4 more

Temporal and salinity impacts on the microbial diversity at the Eilat, Israel Solar Salt Plant

by

C.D. Litchfield, Oren A., Irby A., Sikaroodi M. and Gillevet P.M.

General

A major solar salt works in Israel is located just north of the town of Eilat and close to the airport. This solar salt works has been in operation since 1977 and produces about 170,000 tons a year. A three-year study was initiated to examine the temporal and salinity impacts on the microbial...

Bacteria fingerprinting +4 more

Schinias wetland: A National Park or a solar saltwork?

by

Hadjibiros K. and Sifakaki P.

General

Schinias is a small coastal biotope under environmental pressure. Partial drainage of the wetland and different disturbing activities have degraded ecological habitats and decreased biodiversity for many decades. Recently, the construction of a rowing centre has restored hydrological regime and the...

Solar saltworks national park +3 more

Management of biological systems for continuously-operated solar saltworks

by

Davis J.S.

General

The goal of every solar saltworks with seawater intake--continuous and economic production of high quality salt (sodium chloride) at design capacity—requires ability to simultaneously manage and coordinate physical systems with biological systems in the concentrating and crystallizing ponds. This...

Aphanothece halophytica Artemia +8 more

Project of Recovery the Biological Conditions of the Production System in Saltworks of Industria Salinera de Yucatan S.A. de C.V. (ISYSA) Damaged by the Hurricane Isidore in September of 2002

by

Ortiz-Milan S.M.

General

Industria Salinera de Yucatan S.A. de C.V. (ISYSA) has its operation of primary production of salt by solar evaporation in Las Coloradas, Yucatan, Mexico, in the coast the northwest of the Yucatan Peninsula. One of the disadvantages of this location is the presence of extreme climatologic phenomena...

Brine crystallizers +7 more

Environmental balance of salt production speaks in favour of solar saltworks

by

Sedivy V.M.

General

Solar saltworks are most efficient converters of solar energy into an inorganic commodity. Conversion rate of solar radiation into removal of water vapour from the brine takes place with 45% efficiency. Solar salt requires only a fraction of man made energy compared with salt produced by solution...

Solar energy biological management +8 more

Impact of environmental conditions on photosynthesis, growth and carbon allocation strategies of hypersaline species of Dunaliella

by

Giordano M. and Beardall J.

General

Hypersaline environments pose a number of ecological and metabolic challenges to the organisms that live in them. Primary producers, such as halotolerant species of the green microalgal genus Dunaliella, are no exception. In this paper we focus on the problems posed to the acquisition and metabolism...

Dunaliella photosynthesis +5 more

Volume 10 - Issue 3

Current status of the metal pollution of the environment of Greece - a review

by

Farmaki E.G. and Thomaidis N.S.

General

ABSTRACT Pollution from metals and metalloids of the environment of Greece seemed to attract many researchers and elemental pollutants in air, soil and water have been determined and studied systematically during the last decade. The most recent of these studies, concerning the last five years (2003...

Metals Metalloids +5 more

Ultrafine particles (UFP) and health effects. Dangerous. Like no other PM? Review and analysis

by

Politis M., Pilinis C. and Lekkas T.D.

General

The goal of the current review is to present and analyze the known information proposed and discussed the last few years about UFP and their possible health effects. It includes references from 1992 to 2008. It also includes references from some fundamental studies in the 1970's and 1980's. The...

air pollution Ultrafine particles +5 more

Flux enhancement by air dispersion in cross-flow microfiltration of a colloidal system through spiral wound module

by

Qaisrani T.M. and Samhaber W.M.

General

Enhancement of the permeate flux due to reduction of cake layer resistance by air-liquid twophase flow in a cross flow spiral wound microfiltration membrane has been investigated. Experiments were carried out with two different suspension systems, namely baker’s yeast suspension with a dry mass...

Flux enhancement Air dispersion +4 more

Integrated urban water modelling using Aquacycle model

by

Lekkas D.F., Manoli E. and Assimacopoulos D.

General

The traditional approach to urban water management is primarily based on a supply-oriented approach, where water follows a one-way path from supply to a single use, treatment and then discharged to the environment. The wide acknowledgement of the need to shift towards more sustainable practices has...

Urban water management integrated modelling +2 more

Seasonal variations in dissolved heavy metals in the Keritis river, Chania, Greece

by

Papafilippaki A.K., Kotti M.E. and Stavroulakis G.G.

General

Agrochemicals, geochemical structure and industrial wastes create a potential source of heavy metal pollution in the aquatic environment. The porpuse of this study was to investigate the seasonal variations in five heavy metals (Cu, Zn, Cd, Pb and Cr) in the surface water of the Keritis river, one...

Seasonal variations River water +3 more

Modelling and simulation of a catchment in order to evaluate water resources

by

Courbis A.L., Vayssade B., Martin C. and Didon-Lescot J.F.

General

It is difficult for decision-makers to evaluate the impact of their territorial policies. Aspects to be considered in this evaluation include those relating to humans, environment protection and industry development. Two reasons explain the difficulty: decision-makers cannot specialise in all...

hydrologic modelling water balance evaluation +2 more

Treatment of the effluent from a kraft bleach plant with white rot fungi Pleurotus sajor caju and pleurotus ostreatus

by

Belem A., Panteleitchouk A.V., Duarte A.C., Rocha-Santos T.A.P. and Freitas A.C.

General

The final effluents from pulp and paper industry, even after biological treatment, often contain a plethora of unwanted by-products, which confer them colour and toxic characteristics. The aim of this work was to promote degradation of organic matter and remove colour by contacting fungi Pleurotus...

Kraft effluent biological treatment +2 more

Do the maxima of air pollutants coincide with the incedence of childhood asthma in Athens, Greece?

by

Nastos P.T., Paliatsos A.G. and Priftis K.N.

General

In the present study an assessment of the influence of the ambient air pollution on the incidence of the Childhood Asthma Admissions (CAA) is attempted by using cross spectrum analysis. The medical data concern the hospital registries of the three main Children’s Hospitals of Athens for the 14-year...

Childhood asthma admissions Ambient air pollution +2 more

Assessment of clustering algorithms in discriminating eutrophic levels in coastal waters

by

Primpas I., Karydis M.and Tsirtsis G.

General

Cluster analysis has been used widely as a tool for assessing eutrophic trends in coastal waters. The efficiency of clustering in discriminating between oligotrophic, mesotrophic and eutropic sites, depends on the variables used, the distance measure and the clustering algorithm applied. In the...

eutrophication Eutrophication assessment +2 more

Modeling the impact of water withdrawal schemes on the transport of pesticides in the Kouris dam (Cyprus)

by

Ma S., Kassinos S.C., Fatta-Kassinos D. and Akylas E.

General

As part of an effort to understand the water quality dynamics in the Kouris Dam and the impact of possible management strategies, the present study assessed the transport process of atrazine in this reservoir and the effects of bottom and surface withdrawal schemes. The 2- D laterally averaged CE...

Pesticide Atrazine +7 more

Chemical kinetics of hydrogen sulfide selective oxidation in aqueous iron chelates solutions

by

Tsapekis O.G., Salmas C.E. and Androutsopoulos G.P.

General

The present work concerns the investigation of the chemical kinetics of H2S selective oxidation into elemental sulfur, by gas absorption and chemical reaction in Fe3+·(ΝΤΑ) aqueous solutions. By using initial reactivity data, priority is given to the study of intrinsic kinetics i.e. to avoid...

hydrogen sulfide selective oxidation +4 more

Mercury detoxification using genetic engineered Nicotiana tabacum

by

Abdel Rahman R.A., Abou-Shanab R.A. and Moawad H.

General

Phytoremediation is a low cost alternative solution to soil contamination compared with traditional removal and/or disposal techniques. One of the phytoremediation technologies is the phytovolatilization, whereby the contaminant is not primarily accumulated in above-ground tissues, but is instead...

Phytoremediation Phytovolatilization +5 more

Drops for crops: modelling crop water productivity on a global scale

by

Liu J., Zehnder A.J.B., Yang H.

General

There is an emerging need to support water and food policy and decision making at the global and national levels. A systematic tool that is capable of analyzing water-food relationships with high spatial resolutions would be very useful. A GEPIC model has recently been developed by integrating a...

GEPIC Maize +2 more

Seasonal changes in physico-chemical parameters and nutrient load of river sediments in Ibadan City, Nigeria

by

Adeyemo O.K., Adedokun O.A., Yusuf, R.K. and Adeleye E.A.

General

Seasonal variations in ecological parameters exert a profound effect on the distribution and population density of both animal and plant species (Odum, 1971). The productivity in terms of planktonic biomass in freshwater bodies is regulated by various physico-chemical factors viz., temperature...

Limnology eutrophication +3 more

Hydrodiplomacy in practice: transboundary water management in northern Greece

by

Mylopoulos Y., Kolokytha E., Vagiona D., Kampragou E. and Eleftheriadou E.

General

The political dimension of water becomes highly important not only because of its scarcity, but also as a result of its sharing across national boundaries. Approximately 40% of the global population lives in tranboundary water basins, emphasizing the need for cooperation and harmonization of...

water management international co-operation +2 more

Analysis of Nitrate occurrence and distribution in Groundwater in the Gaza Strip using major ion chemistry by Baalousha H.

by

Baalousha H.

General

Nitrate in groundwater in the Gaza Strip, Palestine has become a serious problem in the last decade. As a result of extensive use of fertilizers, discharging of wastewater from treatment plants, and leakage of wastewater form cesspools, increased levels of nitrate up to 400 mg/l have been detected...

nitrate Groundwater Pollution +3 more

Trace element accumulation in tree rings of pinus halepensis during the last 140 years

by

Pantera A., Papadopoulos A.M. and Orfanoudakis M.

General

The trace element analysis of Aleppo pine (Pinus halepensis Mill) as a function of tree age, was achieved by the tree-ring sampling method, in a polluted region of Attica, Greece. The elements quantitatively determined for the last 140 years by atomic spectrophotometry analysis were: Cu, Fe, Zn, Mn...

Aleppo pine tree-rings +2 more

On the turbulent structure of the marine atmospheric boundary layer from CBLAST Nantucket measurements

by

Helmis C.G., Wang Q., Katsouvas G., Gao Z., Halios C.H., Kalogiros J.A., Wang S., Sgouros G. and Eds... View all

General

In this work preliminary results on the characteristics of the turbulent structure of the Marine Atmospheric Boundary Layer (MABL) are presented. Measurements used here were conducted in the framework of the Coupled Boundary Layers Air-Sea Transfer Experiment in Low Wind (CBLAST-Low) project. A...

CBLAST-Low marine atmospheric boundary layer +2 more

Volume 10 - Issue 2

Biological and photo-fenton treatment of olive oil mill wastewater

by

Ferreira F., Carvalho L., Pereira R., Antunes S.C., Marques S.M., Gon?alves F., Duarte A.C., Rocha-S... View all

General

Olive oil wastewaters (OOMW) are dark effluents which pose serious environmental problems. The aim of this work was to apply biological treatment with Pleurotus spp., and chemical treatment, through oxidation by Photo-Fenton, to OOMW. The biological treatment was not very efficient in colour...

Olive oil mill wastewater Photo-Fenton oxidation +3 more

Air temperature variability and trends over Greece

by

Philandras C.M., Nastos P.Th. and Repapis C.C.

General

In this study, the variability and trends of the mean annual and seasonal surface air temperature in Greek peninsula are examined. The climatic data used, concern mean monthly values of air temperature of 20 meteorological stations of the Hellenic Meteorological Service, for the period 1951-2000...

Air Temperature Trends factor analysis +2 more

Multivariate stochastic downscaling models for generating precipitation and temperature scenarios of climate change based on atmospheric circulation

by

Panagoulia D., Bardossy A. and Lourmas G.

General

The spatial resolution of General Circulation Models (GCMs) is too coarse to represent regional climate changes at the scales required for environmental impact assessment. Therefore, downscaling of precipitation and temperature has to be carried out from the GCM grids to smaller scales of a few...

atmospheric circulation automated objective classification +6 more

Future changes in the occurrence of extreme precipitation events in Eastern Mediterranean

by

Oikonomou Ch., Flocas H.A., Hatzaki M., Asimakopoulos D.N. and Giannakopoulos C.

General

The aim of this study is to estimate future potential changes in duration of extreme dry and wet spells and rainfall intensity in Eastern Mediterranean. For this purpose, daily precipitation amounts, deriving from the regional climate model of UK Hadley Centre HadRM3P have been used for the present...

daily precipitation climatic indices +3 more

Comparison of non-thermal plasma decomposition characteristics of organo-halide gases under oxidizing and reducing atmosphere

by

Yokoi A., Fujita T., Kuchar D., Kubota M., Liwei H. and Matsuda H.

General

Halide gases used in various industrial processes significantly contribute to the greenhouse effect owing to their high GWPs. In addition, the halide gases have high chemical stability and thus remain in the atmosphere for a long period. Therefore, effective treatment techniques of halide gases are...

non-thermal plasma halide gases +2 more

Photocatalytic oxidation of TCE and MTBE in the Gas phase

by

Katsanou O., Zervas E., Poulopoulos S.G., and Philippopoulos C.J.

General

Photocatalysis is a promising method for eliminating the volatile organic compounds emitted from various industrial processes because mild or ambient conditions are used. Titanium dioxide is commonly used as photocatalyst and ultraviolet light is utilized for decomposing gas phase pollutants. In the...

Photocatalysis Titanium dioxide +1 more

Sensing of volatile organic compounds in indoor atmosphere and confined areas of industrial environments

by

Silva L.I.B., Rocha-Santos T.A.P. and Duarte A.C.

General

A chemical vapour sensor working with a monochromatic light source and based on optical fibre coated with a thin siloxane polymer film has been developed for in situ monitoring of volatile organic compounds, such as ethylbenzene, xylene (o-xylene), heptane, octane, chloroform, carbon tetrachloride...

gas sensor optical fibre sensor +2 more

Emissions from Irish domestic fireplaces and their impact on indoor air quality when used as supplementary heating source

by

Guo L., Lewis J.O. and Mclaughlin J.P.

General

A field study on the impact of fireplace on the indoor air quality was carried out between 2004 and 2006, where two main contaminants, CO and particulate matters, were investigated in twenty seven randomly selected Irish houses. The results show that while the physical environment has been improved...

fireplace particulate matters +2 more

An experimental study of the indoor air quality in areas of different use

by

Assimakopoulos V.D., Saraga D., Helmis C.G., Stathopoulou O.I. and Halios C.H.

General

The purpose of the present work was to study experimentally the indoor air quality status regarding PM10, PM2.5, TVOCs, CO2, NOx, SO2 and O3 in selected differently used areas. A flat on the third floor of a multi-storey building, located at a suburban area north-east of the centre of Athens and...

indoor air quality measurements indoor sources +2 more

Influence of nitrogen dioxide and acetylene on marbles, ceramics and pigment

by

Roubani-Kalantzopoulou F., Agelakopoulou T., Bassiotis I., Margariti S., Siokos V. and Metaxa E.

General

The air pollution has a great impact on the social and economic aspects all over the world. Thus, the interaction of materials with the atmosphere has received increased attention nowadays. In order to estimate the impacts of air pollution on the solid surfaces a suitable scientific basis is...

RF-IGC TiO2 +6 more

CO2 control by means of the increased penetration of diesel passenger cars in Finland

by

Zervas E., Poulopoulos S., Philippopoulos C. and Bikas G.

General

One efficient way to control the CO2 emissions from the transport sector is the replacement of gasoline passenger cars by Diesel ones, which emit less CO2. This can be more effective in Finland, where the Diesel penetration is only 13.6%, which is very low compared to the other member countries of...

Carbon Dioxide Diesel +3 more

Platinum concentrations in urban airborne particles from Shanghai, China

by

Yang Y., Li X., Li Y.L., Tan M., Lu W., Zhang G. and Li Y.

General

The PM10 airborne particle samples were collected at Shanghai from December 2003 to December 2005 in order to investigate platinum contamination in the urban air. The samples were analyzed by inductively coupled plasma mass spectrometry (ICP-MS). The results show that the average Pt concentration in...

air pollution aerosol particle +2 more

DOAS measurements above an urban street canyon in a medium sized city

by

Triantafyllou A.G., Zoras S., Evagelopoulos V., Garas S. and Diamantopoulos C.

General

The concentrations of ozone, NO2 and SO2 measured by a Differential Optical Absorption Spectroscopy (DOAS) system in the city of Kozani in Northwestern Greece are presented and compared against data from a conventional ground station. This was made in order to assess DOAS performance in a...

differential optical absorption spectroscopy DOAS +10 more

Athens air quality and importance of biogenic emissions: a case study

by

Polymeneas P. and Pilinis C.

General

Two three dimensional Eulerian air quality models, PMCAMx and UAM-AERO are used to predict the concentrations of various pollutants in the Greater Athens Area (GAA) during the episode of June 22-26, 2003. The predicted levels of gases and aerosol pollutants are compared with measured concentrations...

Biogenic emissions Ozone +3 more

Kalman filter based prediction system for wintertime PM10 concentrations in Macau

by

Hoi K.I., Yuen K.V. and Mok K.M.

General

In the present study, the Kalman filter algorithm was applied to forecast the wintertime PM10 concentrations of Macau. The algorithm was implemented on an AR(2) model and an AREX model, respectively. The AR(2) model is essentially an autoregressive model of order 2, i.e., the daily averaged PM10...

Air quality prediction Kalman Filter +2 more

Study of size-segregated particle (PM1, PM2,5, PM10) concentrations over Greece

by

Koulouri E., Grivas G., Gerasopoulos E., Chaloulakou A., Mihalopoulos N. and Spyrellis N.

General

This study reports particulate matter levels of various size fractions (PM10, PM2.5, and PM1) and identify their controlling factors, in various locations over Greece. It combines long-term data sets involving particle concentrations as measured in the island of Crete in the Eastern Mediterranean...

PM10 PM2.5 +3 more

Statistical analysis of inhalable (PM10) and fine particles (PM2.5) concentrations in urban region of Patras, Greece

by

Maraziotis E., Sarotis L., Marazioti C. and Marazioti P.

General

In this study, the relationship between inhalable particulate (PM10), fine particulate (PM2.5), coarse particles (PM2.5-10) and meteorological parameters such as temperature, relative humidity, solar radiation, wind speed was statistically analyzed and modeled for the urban region of Patras during...

PM10 PM2.5 +4 more

Volume 10 - Issue 1

An investigation on parameters for modeling THMs formation

by

Chowdhury S. and Champagne P.

General

Reactions between natural organic matter (NOM) and chlorine during disinfecting drinking water form trihalomethanes (THMs) and other chlorinated by products (CBPs), some of which are possible carcinogen to human health. A number of models have been developed to predict THMs formation since the...

NOM Natural organic matter +2 more

Studies on Biodegradation of Phenols and m -Cresols by Upflow Anaerobic Sludge Blanket and Aerobic Sequential Batch Reactor

by

Farooqi I.H., Basheer F. and Ahmand T.

General

Wastewaters from fossil fuel refining, pharmaceuticals, and pesticides are the main sources of phenolic compounds. Those with more complex structures are often more toxic than the simple phenol, and yet little is known about the treatment of wastewater containing a mixture of phenolic pollutants....

Cresol Phenol +3 more

Novel nano-catalysts for wastewater treatment

by

Hildebrand H., Mackenzie K. and Kopinke F.-D.

General

The present paper aims at a treatment technique designed for special industrial wastewaters contaminated with only traces of halogenated organic compounds (HOCs) – concentrations which are nevertheless large enough to make a discharge into municipal sewage works impossible. Our research follows the...

nano-particles Catalysis +3 more

Colloidal activated carbon and carbon-iron-novel materials for in-situ groundwater treatment

by

Mackenzie K., Schierz A., Georgi A. and Kopinke F.-D.

General

Two novel materials have been developed and tested in initial studies for the in-situ generation of sorption and reactive barriers for subsurface water treatment at low cost by introducing sorbents or reagents via injection wells. Both materials are based on finely-ground activated carbon with a...

Zero-valent iron Activated carbon +6 more

Utilization of calcium sulfide derived from waste gypsum board for metal-containing wastewater treatment

by

Mihara N., Soya K., Kuchar D., Fujuta T. and Matsuda H.

General

To achieve recycling of waste gypsum boards (CaSO4), production of calcium sulfide by reductive decomposition of CaSO4 was investigated and the decomposition product of CaS was used as a sulfuration agent in the treatment of nickel-containing simulated wastewater. At the end of the experiment...

Calcium Sulfide Waste Gypsum +4 more

Wet oxidation characteristics of metal cyanide complexes below 423 K

by

Fukuta T., Agari S., Kuchar D., Kubota M., Onyango M.S., Matsuda H. and Huang L.

General

In the present study, the wet oxidation of zinc and copper cyanide complexes (cyanide concentration of 1,000 mg dm-3) was conducted in a hydrothermal reactor, under oxygen atmosphere of which the pressure was set to 1 MPa. The pH of the reaction solution was kept in the range of 11 to 12 and the...

Electroplating wastewater copper cyanide complex +2 more

Investigation of the effect of ultrasonic waves on the enhancement of efficiency of direct photolysis and photooxidation processes on the removal of a model contaminant from textile industry

by

Behnajady M.A., Modirshahla N., Shokri M. and Vahid B.

General

The effect of ultrasonic waves (US) was studied on the degradation of Malachite Green (MG) as a model contaminant from textile industry by direct photolysis with ultraviolet (UV) radiation and UV/H2O2 processes. The US (35 kHz) and UV (253.7 nm) radiations were carried out with an ultrasonic bath...

AOPs Advanced oxidation processes +4 more

Simple estimation of granule size distribution and sludge bed porosity in a UASB reactor

by

Vlyssides A.G., Barampouti E.M.P. and Mai S.T.

General

Granular sludge is the key factor for an efficient operation of an upflow anaerobic sludge blanket (UASB) reactor. In order to monitor the granularity of anaerobic sludge, the determination of the granule size distribution is of vital importance. Another critical parameter for the UASB reactor...

UASB granule size distribution +4 more

Enhancement of photocatalytic activity of TiO2 nanoparticles by silver doping: photodeposition versus liquid impregnation methods

by

Behnajady M.A., N. Modirshahla, M. Shokri and B. Rad

General

Silver doped TiO2 nanoparticles have been prepared by liquid impregnation (LI) and photodeposition (PD) methods and characterized by surface analytical methods such as scanning electron micrographs (SEM) and X-ray diffraction (XRD). The photocatalytic activity of silver doped TiO2 was tested by...

Heterogeneous photocatalysis TiO2 nanoparticles +4 more

Recycling techniques of polyolefins from plastic wastes

by

Achilias D.S., Antonakou Ε., Roupakias C., Megalokonomos P. and Lappas A.

General

Disposing of plastic wastes to landfill is becoming undesirable due to legislation pressures, rising costs and the poor biodegradability of commonly used polymers. In addition, incineration meets with strong societal opposition. Therefore, recycling either mechanical or chemical, seems to be the...

recycling Polymers +5 more

Validation and application of a simple model for circular secondary settling tanks

by

Stamou A.I., Giokas D.L., Kim Y. and Paraskevas P.A.

General

A simple model is presented for the dynamic calculation of the sludge blanket height and concentrations of suspended solids (diluted, sludge blanket and return sludge) in circular secondary settling tanks. The model combines a mass balance equation with three empirical equations, which account for...

circular secondary settling tasks diluted sludge concentration +4 more

Protection of environment by the use of fly ash in road construction

by

Escioglou P. and Oikonomou N.

General

Fly ash is an important industrial by-product that comes from the combustion of coal, for the production of electrical energy. In our country, only a small percentage is used for the construction of technical projects, while the rest is stockpiled, causing serious problems. Because of its great...

Stabilization of soils crushed and natural sand-gravel

Study of C.I. Acid Orange 7 removal in contaminated water by photo oxidation processes

by

Daneshvar N., Aber S. and Hosseinzadeh F.

General

C.I. Acid Orange 7 (AO7) commonly used as a textile dye and could be degraded by UV/ZnO, UV/H2O2 and UV/H2O2/Fe (III) (photofenton) processes. In the photocatalytic degradation of dye by UV/ZnO process, effect of some parameters such as UV irradiation time, presence of ZnO and UV irradiation, pH...

C.I. Acid Orange 7 Advanced oxidation process +4 more

Identification of Ion sources in rainwater of a coastal site impacted by the gas and oil industry in the southeast of Mexico

by

Ceron R.M., Ceron J.G., Muriel M., Cardenas B. and Anguebes F.

General

The purpose of this research was to study the chemical composition of rainwater to assess the impact of marine aerosol and anthropogenic emissions by using back air-mass trajectories. Fieldwork was done from July to November 2004, in a coastal site probably impacted by gas and oil industry in...

Volume 9 - Issue 3

Performance monitoring of a vertical flow constructed wetland treating municipal wastewater

by

Gikas G.D., Akratos C.S. and Tsihrintzis V.A.

General

A two-year monitoring program was undertaken in a vertical flow constructed wetland treating wastewater from Gomati, a village in Chalkidiki, North Greece. This constructed wetland operates since 2003. The monitoring campaigns were organized every 15 days. Water quality samples were collected at the...

vertical flow constructed wetlands reed beds +3 more

Evaluation of pollutant loading in the runoff waters from a major urban highway (Gdansk Beltway, Poland)

by

Polkowska Z., Skarzynska K., Dubiella-Jackowska A., Staszek W. and Namiesnik J.

General

Runoff water is an important medium transporting various air pollutants from the air to the surface water. This paper presents the results of measurement of removal rates of anions and cations in the rain, road runoff, throughfall and surface water near a major urban highway (Gdańsk beltway). The...

road runoff water Rain +5 more

Water quantity and quality monitoring of Kosynthos river, North-Eastern Greece

by

Pisinaras V., Petalas C., Gemitzi A. and Tsihrintzis V.A.

General

An investigation of the quantitative and qualitative characteristics of Kosynthos river flow is presented. Four monitoring sites were established along Kosynthos river for the period October 2003 to October 2005 where discharge and water quality parameters were monitored. River flow processes have...

River Water Quality Nutrients +1 more

Hydrochemical characteristics of the Gallikos River water, Prefecture of Kilkis, Greece

by

Mattas C., Soulios G., Panagopoulos A., Voudouris K. and Panoras A.

General

The Gallikos river basin is located in the northern part of Greece and discharges into the Thermaikos Gulf, North Aegean sea. Three main tributaries contribute to the river, the basin of which has a total areal extent of 930 km2. The basin of Gallikos river is formed of metamorphic rocks, limestones...

hydrochemistry Surface water +3 more

The distribution of Cd and Cu in sediments covered with algal mat

by

Ladakis M., Belias C., Triantafyllaki S., Dassenakis M. and Scoullos M.

General

In coastal marine environments, with shallow, warm and calm waters, it is sometimes possible to observe the presence of organosedimentary structures that are commonly flat and laminar in shape. These structures are called algal mats or recent stromatolites due to their remarkable similarities to...

Anavissos cadmium +5 more

Mercury content in garden soils of urban agglomeration

by

Dabkowska-Naskr?t H.and R??a?ski Sz.

General

The study report the degree of mercury contamination in garden soils of urban agglomeration and local sources of heavy metals emission like traffic and coal combustion. The urban soils have been compared with cultivated rural counterparts, developed on similar parent material. Mercury contents in...

mercury in soils garden soils +2 more

Adsorption of hexavalent uranium on dunite

by

Konstantinou M., Demetriou A. and Pashalidis I.

General

Pollution of the environment with uranium and associated health effects to human have recently become of major concern, particularly due to the use of depleted uranium in armourbreaking bullets. Indeed, uranium in environmentally significant concentrations is found near to uranium mining and...

uranium Dunite +3 more

Assessment of mining soil improvement after construction and demolition wastes amendment additions evaluated by microbiological analysis

by

Murcia F.J., Gomez M.J., Palop A. and Garcia G.

General

Major environmental problems in metallic mining areas come from the hazard of metal pollution of surrounding areas. Therefore, an appropriated management of these soils is necessary for minimizing the associated risks. Some properties of mining soils, such as elevated metal concentrations, pH and...

mining soil Amendment +4 more

Leaching of lead from clinoptilolite at acidic conditions

by

Petrakakis Y., Mylona E., Georgantas D. and Grigoropoulou H.

General

The leachability of Pb2+ from natural greek clinoptilolite was investigated according to the standard procedures TCLP/EPA/RCRA (1311), EPA Methods 1310, 1320 and DIN 38414-S4. Through SEM/EDAX analysis it was shown that lead was uniformly loaded onto the particles subjected to acid treatment...

clinoptilolite Lead +2 more

Total and bioavailable forms of Cu, Zn, Pb and Cr in agricultural soils: a study from the hydrological basin of Keritis, Chania, Greece

by

Papafilippaki A., Gasparatos D., Haidouti C. and Stavroulakis G.

General

The hydrological basin of Keritis in Chania, Greece is mainly an agricultural area where various agrochemicals are used. In topsoils, the total and available forms of Cu, Zn, Pb and Cr were determined after their extraction with boiling Aqua Regia and DTPA respectively. Although the total heavy...

Heavy metals Soil +3 more

Available Cd content of salt-affected and normal soils of Halastra-Kalohori area

by

Matsi Th., Hatzigiannakis E.G., Arampatzis G.K. and Panoras A.G.

General

A survey was conducted in order to evaluate the levels of available (DTPA extractable) Cd in salt affected and normal soils of Halastra−Kalohori area, located in N. Greece. In this area, phosphogypsum (PG) (a byproduct of P fertilizer industry, occasionally enriched with Cd) has been used as...

cadmium Phosphogypsum +1 more

Transport and accumulation of heavy metals in undisturbed soil columns

by

Ermakov I.V., Koptsik S.V., Koptsik G.N. and Lofts S.

General

The podzolic soils of the Kola Peninsula, Russia, have in localised areas been highly contaminated with copper and nickel from smelting activities. Migration and retention of these metals were investigated in undisturbed soil columns irrigated with simulated background and polluted precipitation in...

podzol soil column experiment +5 more

Volume 9 - Issue 2

Alternative fillers for use in slurry seal

by

Oikonomou N. and Eskioglou P.

General

Slurry seal is applied for low-cost paving and surface maintenance. The principal materials used to create slurry seal are aggregates, asphalt emulsion, water and fillers like Portland cement (mainly), lime and other materials. This paper presents the use of alternative fillers instead of expensive...

Slurry seal road maintenance +3 more

Three eco-tool comparison with the example of the environmental performance of domestic solar flat plate hot water systems

by

Martinopoulos G., Tsilingiridis G. and Kyriakis N.

General

Life Cycle Analysis (LCA) is a procedure used as an analytical tool for the evaluation of the environmental impact caused by a material, a manufacturing process or product. For an end product, LCA requires both the identification and quantification of materials and energy used in all stages of the...

Solar energy Domestic Solar Hot Water Systems +3 more

Tertiary Physico-chemical Treatment of Secondary Effluent from the Chania Municipal Wastewater Treatment Plant

by

Tassoula E., Diamadopoulos E. and Vlachos Ch.

General

The present study investigated tertiary physico-chemical treatment of the secondary effluent from the Chania municipal Wastewater Treatment Plant (WTP). Laboratory experiments were carried out with the aim of studying coagulation efficiency regarding reduction of turbidity, soluble COD and...

Coagulation Contact filtration +2 more

Denitrification as a component of Nitrogen Budget in a Tropical Paddy Field

by

Pathak B.K., Iida T. and Kazama F.

General

The direct assessment of denitrification suffers from a number of problems. A mass balance model is simple and widely accepted to calculate nitrogen (N) loss as a denitrification component. The objective of study was to estimate the potential N loss a denitrification from a tropical paddy in the...

denitrification Mass balance +1 more

Hygroscopic property of Neem (Azadirachta indica A. Juss.): an experimental determination of the Shrinkage characteristics

by

Akpan M.

General

A pioneer effort is made in this study to carry out an experimental determination of shrinkage characteristics of neem (Azadirachta indica A. Juss) wood on its linear, volumetric, and coefficient values with the hope of ascertaining its utilization potential as timber. Three study locations were...

linear shrinkage volumetric shrinkage +4 more

Biohydrogen production from sweet sorghum biomass using mixed acidogenic cultures and pure cultures of Ruminococcus Albus

by

Antonopoulou G., Ntaikou I., Gavala H.N., Skiadas I.V., Angelopoulos K. and Lyberatos G.

General

The present study focuses on the exploitation of sweet sorghum biomass as a source for hydrogen in continuous and batch systems. Sweet sorghum is an annual C4 plant of tropical origin, well-adapted to sub-tropical and temperate regions and highly productive in biomass. Sweet sorghum biomass is rich...

Biofuels Biomass +5 more

Tracing dispersed coaly-derived particles in modern sediments: an environmental application of organic petrography

by

Kalaitzidis S., Christanis K., Cornelissen G. and Gustafsson

General

A crucial aspect in environmental sciences is related to the transportation, accumulation and fate of solid organic particles not native to the sediments. In this study we present the petrographical features of seven sediment samples obtained from aquatic environments in Sweden, Finland and The...

black carbon char +4 more

Photocatalytic disinfection of water polluted by Pseudomonas Aeruginosa

by

Daneshvar N., Niaei A., Akbari S., Aber S., and Kazemian N.

General

Photocatalysis by titanium dioxide (TiO2) is a water treatment method. Pseudomonas aeruginosa is a microorganism resistant to chlorine and UV-C irradiation. TiO2 photocatalytic technology can destroy bacteria, which are resistant to oxidative destruction of cell membrane caused by sole UV...

Advanced oxidation processes disinfection +2 more

A Wind-Driven Hydrodynamic and Pollutant Transport Model

by

Tsanis I.K. and Saied U.

General

A program is developed that includes two hydrodynamic models, a 2D depth-averaged (2DH) and a Quasi-3D (Q3D), and a pollutant transport model that uses a 1st order upwinding and a 3rd order QUICKEST numerical schemes. Several tests were performed in two test basins in order to examine the...

Lake circulation model pollutant transport model +2 more

Is the Last Years Abrupt Warming in the National Observatory of Athens Records a Climate Change Manifestation?

by

Repapis C.C., Philandras C.M., P.D. Kalabokas , P. Zanis and C.S.Zerefos

General

Instrumental data time series show an average global warming of approximately 0.90C over the last century. Eastern Mediterranean air temperature follows the northern hemisphere (NH) secular trend till 1970s, while the NH warming of the last 30 years is not noticeable in the eastern Mediterranean...

Air Temperature Trends Homogeneity +1 more

Environmental Impact Assessment and Integrated Water Resources Management

by

Manouris G. and Gioutsou A.

General

Environmental Impact Assessment (EIA) plays an important role in the framework of the efforts aiming at the formulation of a complete water resources management. In our paper this issue is examined in an integrated way. The following issues are particularly examined : the notion of the EIA in...

notion programmes +4 more

Marine monitoring along the eastern coastal area of the Island of Lesvos, Greece during 2004 in the Framework of MEDPOL III

by

Aloupi M., Angelidis M.O., Gabriel A., Karantanelli M., Koulousaris M., Nikolaou A., Petsas A., Tsi... View all

General

The present survey was carried out in the framework of MEDPOL Phase III (2004 – 2006), aiming to provide recent information for the long-term monitoring of pollution trends in selected susceptible marine environments along the Mediterranean coastline. Information was collected from a network of four...

MEDPOL Phase III Aegean Sea +4 more

Volume 9 - Issue 1

Slag and ash chemistry after high-calcium lignite combustion in a pulverized coal-fired power plant

by

Papastergios G., Fernandez –Turiel J.L., Georgakopoulos A. and Gimeno D.

General

More than 73% of the electrical power requirements of Greece are generated in lignite-fired power plants. Greece is the thirteenth largest coal and the fifth largest lignite producer in the world. The lack of domestic high-rank coals makes necessary to use low quality lignite for power generation in...

Lignite power plant +5 more

Investigating the properties of plastic resin pellets found in the coastal areas of Lesvos Island

by

Karapanagioti H.K. and Klontza I.

General

Plastic pellets (small granules, 1-5 millimeters in diameter) are widely distributed in the ocean and coastal zones all over the world. They are an industrial raw material for the plastic industry and are unintentionally released to the environment both during manufacturing and transport. These...

Plastic pellets coastal zone pollution +3 more

On leakage from the near-surface radioactive waste storage facility

by

Konstantinova M., Gudelis A. and Butkus D.

General

Maisiagala RADON type radioactive waste storage facility was commissioned in 1963 in a marshy, ecologically sensitive locality, where soluble radionuclides easily can penetrate and migrate with groundwater. To assure the requirements of radiation safety, the analysis of radionuclide leakage from the...

radioactive waste “RADON” type storage facility +4 more

Analysis on the MSW thermal degradation processes

by

Marculescu C., Antonini G. and Badea A.

General

The waste to renewable energy source has become a priority in the wastes treatment field. The research goal is not only the wastes destruction but also a better thermal energy recovery from the processes. The municipal solid waste presents a high heterogeneity degree from the dimensional point of...

MSW Thermal Treatment +5 more

Pre-treatment of industrial landfill leachate by Fenton’s oxidation

by

Petruzzelli D., Boghetich G., Petrella M., Dell’Erba A., L’Abbate P., Sanarica S. and Miraglia ... View all

General

Biological treatment (aerobic and anaerobic) of industrial landfill leachate is limited by the presence of toxic contaminants (e.g., heavy metals) and recalcitrant (biopersistent) organics (e.g., polyphenols, pharmaceuticals, cosmetics, etc.,), hindering viable conditions for biomass proliferation...

Advanced oxidation industrial landfill leachate +1 more

Investigations on disposal of low-calorific landfill gases by a small scale fluidised bubbling bed combustion plant

by

Steinbrecht D., Wolff H.-J., Matzmohr R., Nassour A. and Didik H.

General

Poor landfill gases cannot be used to drive gas engines or be burnt in gas flares. This follows why the combustion flame front velocity for poor gases becomes very low. From this moment the non-flammable poor landfill gases are polluting the environment. An energetical utilisation of very poor...

stationary fluidised bubbling bed flameless fluidised bed combustion +2 more

Microbial community dynamics and stability assessment during green waste composting

by

Gazi A.V., Kyriacou A., Kotsou M. and Lasaridi K.E.

General

Green waste (leaves, grass and shredded twigs) was composted for 5.5 months in a wooden composting bioreactor, of 1 m3 capacity, using both passive convective aeration, facilitated by the design of the bioreactor, and manual turning. Temperature was measured daily, while samples were analysed for...

Green Waste composting stability +8 more

A GIS model for landfill siting

by

Despotakis V.K. and Econopoulos A.P.

General

The use of Geographical Information Systems (GIS) for Landfill Sitting is studied. The necessary spatial information required to determine the candidate sites for any type of terrestrial area (Community/Prefecture/Region/Country) is examined. This spatial information is then used for site selection...

Landfill sitting Sustainable development +6 more

Characterization of packaging grade papers from recycled raw materials through the study of fibre morphology and composition

by

Adamopoulos S., Martinez E. and Ramirez D.

General

The restrictions in availability of forest-based raw materials along with favourable environmental policies towards alternative sources of raw materials have forced corrugated packaging industry to shift towards recycled paper and other fibre sources such as non-wood and agro-residues. The...

recycled fibres fibre properties +5 more

European trends in the feedstock recycling of plastic wastes

by

Aguado J., Serrano D.P. and San Miguel G.

General

Consumption of plastic products has increased dramatically over the past few decades. This trend results in the generation of a vast waste stream that needs to be properly managed to avoid environmental damage. Increasingly stringent European legislation is setting new standards that promote the...

Waste plastics plastic recycling +2 more

Route optimization for solid waste collection: Trabzon (Turkey) case study

by

Apaydin O. and Talha Gonullu M.

General

In a municipal solid waste management system, decreasing collection/hauling costs, which consist of 85 % of total disposal expenditure, can be carried out by a route optimization. Thus, a huge amount of economical benefits is getting furnished. If route optimization is performed in solid waste...

GIS Trabzon City +3 more

Municipal solid waste unit production rates and estimation of the required number of waste storage containers in the municipality of Athens

by

Komilis D.P., Haritopoulou T. and Togia A.

General

The Municipality of Athens (M.A.) currently comprises 7 municipal districts, 7 waste collection districts (WCD) and approximately 5800 residential blocks. Solid waste is collected daily on a 7 days per week basis. The M.A. comprises approximately 119 waste collection sub-districts (herein referred...

municipal solid waste collection +2 more

Volume 8 - Issue 3

Risk assessment of chemicals in a toxicological laboratory: A case study

by

Dimitriou A. and Tsoukali H.

General

The toxicity of a chemical substance in a workplace depends on both its physical and chemical properties, the level of concentration in the breathing air, as well as, the duration of the exposure. In order to ensure healthy conditions at workplace, international organizations, such as the World...

Risk assessment toxicology +6 more

Cyclodextrins: a potential absorbent for VOC abatement

by

Fourmentin S., Landy D., Blach P., Piat E. and Surpateanu G.

General

The capacity of cyclodextrins in trapping VOCs is studied. Cyclodextrins (CDs) are a family of cyclic oligosaccharides that are composed of α-1,4-linked glucopyranose subunits. The most notable feature of cyclodextrins is their ability to form inclusion complexes (host–guest complexes) in solution...

VOCs cyclodextrins +3 more

Air quality and pollution mapping system, using remote measurements and GPS technology

by

Schreiner C., Branzila M., Trandabat A. and Ciobanu R.C.

General

According to the actual European context, including the development of risk free residential and industrial areas, the main demand lies in instant, accurate and elaborated information regarding environment quality and pollution risks. This paper presents a conceptual architecture for a versatile...

remote measurements GPS +3 more

A comparison of two interaction matrix coding techniques used in a GIS-based tool for air quality assessment

by

Mavroulidou M., Hughes S.J. and Hellawell E.E.

General

The paper describes the development of a fast and easy-to-use qualitative tool for preliminary assessments of urban air quality related to road traffic. The tool is particularly aimed at the ability and budget of local government. It uses a novel interaction matrix-type methodology combined with...

Air quality management interaction matrix +1 more

Effect of the relative humidity on an industrial plume behavior

by

Affad E., Saadeddine S., Assou M. and Sbaibi A.

General

In order to accurately predict the pollutant concentrations and the plume trajectory in the atmosphere, it is necessary to take into account the effects of interactions between the plume and the surrounding environment. In fact, the atmospheric conditions have a lot of influence on the plume...

Impact of using adulterated automotive diesel on the exhaust emissions of a stationary diesel engine

by

Mattheou L., Zannikos F., Schinas P., Karavalakis G., Karonis D. and Stournas S.

General

The EU Directives and legislation by worldwide environmental authorities impose constantly lower levels for the airborne pollutant emissions of internal combustion engines towards the goal of zero emission vehicles. During the last decade, engine manufacturers, refiners and fuel companies invest...

air quality exhaust emissions +5 more

Vehicle emissions and driving cycles: comparison of the Athens driving cycle (ADC) with ECE-15 and European driving cycle (EDC)

by

Tzirakis E., Pitsas K., Zannikos F. and Stournas S.

General

Vehicle emissions constitute the main source of atmospheric pollution in modern cities. The increasing number of passenger cars, especially during the last decade, resulted in composite traffic problems with serious consequences on emissions and fuel consumption. This project was carried out in the...

NEDC ADC +4 more

Estimation and measurement of the automobile pollution : application to Bejaia case

by

Alkama R., Ait Idir F. and Slimani Z.

General

In this paper, we present the estimate and results of measurement of air pollution in Béjaia city in Algeria. We used an enclosure of 0,80 m3 for the collection of gases directly on the outlet side of the tailpipe of the vehicles. A three-gas detector (MX21 plus), introduced inside the enclosure...

automobile pollution standards of emission +1 more

Wind-field and pollution-dispersion simulation in a street canyon in Helsinki with ADREA-HF code

by

Neofytou P., Venetsanos A. and Bartzis J.G.

General

ADREA-HF, which is a Computational Fluid Dynamics (CFD) code, is utilised in order to numerically study the flow and concentration fields within a street-canyon area. The selected site is Runeberg Str., a typical urban street canyon with an aspect ratio of approximately 1:1 in Helsinki, Finland. The...

Simulation Street canyon +1 more

Assessment and prediction of benzene concentrations in a street canyon using a variety of models, in the means of environmental management purposes

by

Kassomenos P.A., Karakitsios S.P. and Pilidis G.A.

General

Urban air quality nowadays is one of the major environmental issues, due to its impact to various health problems, caused by the daily exposure of the population in dangerous air pollutants. The highest levels of air pollutants are usually observed in street canyons, emitted by urban traffic. To...

Benzene Modeling +2 more

Chemical identification of semi-urban aerosols by laser raman spectroscopy

by

Harpale V.M., S.D. Ralegankar, S.D. Dhole and D.B.Jadhav

General

Atmospheric aerosols play an important role in local, regional meteorology, visibility, air pollution, haze formation and energy balance of radiation. These processes influence the climate directly or indirectly. Therefore, for increasing importance of aerosols in understanding the various...

particulate matter Environment +13 more

Concentration measurements and chemical characterization of PM2.5 at an industrial coastal site in Saronic Gulf, Greece

by

Michopoulos J., Maggos Th., Vasilakos Ch., Bartzis J.G., Gika E. and Hiskia A.

General

Aerosols samples of PM2.5 were collected during October 2004 in the industrial zone of the greater Athens area, located in the coastal region of Saronic Gulf, westerly of the city. In particular, two different sites were selected, in order to obtain experimental data from: a) the shoreline, where...

PM2.5 anions +4 more

An application of theoretical probability distributions, to the study of PM10 and PM2.5 time series in Athens, Greece

by

Gavriil I., Grivas G., Kassomenos P., Chaloulakou A. and Spyrellis N.

General

Probability density functions (pdf) have been used in the analysis of the distribution of pollutant data, for examining the frequency of high concentration events. There have been very few studies on the concentration distribution of PM in urban areas. The distribution of PM concentrations has an...

air pollution PM10 +2 more

PM10-PM2.5 time series and fractal analysis

by

Evagelopoulos V., Zoras S., Triantafyllou A.G. and Albanis T.A.

General

Several epidemiological studies have shown an association between particulate air pollution and health effects. Suspended particulates and more specifically the inhalable PM10 fraction appear to cause respiratory health effects and heart diseases. Furthermore, particulate pollution is of paramount...

Urban air pollution power plants +5 more

Analysis of wet acid deposition in Macau

by

Hoi K.I., Mok K.M., and Yuen K.-V.

General

Records of precipitation in Macau are collected from three local monitoring stations from 1993 to 2003. Chemical compositions of precipitation are analyzed to reveal the causes of wet deposition in Macau. The review of annual rainfall volumes and the volume weighted annual pH values over this period...

wet acid deposition rainfall +8 more

An automated classification method of daily circulation patterns for surface climate data downscaling based on optimized fuzzy rules

by

Panagoulia D., Grammatikogiannis A. and Bardossy A.

General

A method for automated circulation patterns (CPs) definition and classification is presented, based on optimized fuzzy rules. The target of the method is to provide a basis (daily classified CPs) for downscaling of the most common climate data, i.e. precipitation and temperature. Therefore the...

circulation pattern classification +3 more

Total column ozone and solar UV-B erythemal irradiance over Kishinev, Moldova

by

Aculinin A.A.

General

Results of the total column ozone and ultraviolet (UV-B) erythemally weighted irradiance measurements at the ground-based solar monitoring station at the Kishinev (Moldova) are presented. Diffuse and global components of solar UV-B erythemal irradiance on horizontal plane were continuously measured...

column ozone content UV-B erythemal radiation +1 more

Study of future climatic variations of a teleconnection pattern affecting Eastern Mediterranean

by

Hatzaki M., Flocas H.A., Maheras P., Asimakopoulos D.N., and Giannakopoulos C.

General

A teleconnection pattern has been identified between Eastern Mediterranean and Northwestern Europe in the geopotential fields of the upper troposphere (hereafter will be referred to as EMP) during winter and it seems to play significant role in the large-scale atmospheric circulation over...

teleconnection patterns climatic changes +3 more

Trends of the daily maximum temperatures in relation with the climatic change and the urbanization in the Athens basin

by

Tzanakou M. and Deligiorgi D.

General

It is well known that the studies that associate the climatic changes with the greenhouse effect, as a sequence of uninterruptedly ongoing figures in the concentration mainly of carbon dioxide, have been focused on the trends of the mean temperature. On the other hand the variability and the trends...

Air temperature long-term variability +2 more

El-Nino/Southern Oscillation (ENSO): Recent Evolution and Possibilities for Long Range Flow Forecasting in the Brahmaputra-Jamuna River

by

Jahan N., Zobeyer A.T.M.H. and Bhuiyan M.A.

General

The El Nino-Southern Oscillation is the dominant pattern of short-term climate variation, and is therefore of great importance in climate studies. Some recent studies showed the teleconnection between stream flow and the El-Nino Southern Oscillation (ENSO) of the equatorial Pacific Ocean. This paper...

El Nino-Southern Oscillation Brahmaputra-Jamuna River +5 more

Volume 8 - Issue 2

Toxicity reduction in leather tanning wastewater by improved coagulation flocculation process

by

Lofrano G., Belgiorno V., Gallo M., Raimo A. and Meri? S.

General

The wastewater of leather industry which is one of the most widespread industries having large amount of water consumption and very high pollution loads, may be characterized by several key parameters including toxic pollutants exhibiting toxicity. Therefore the effluent of leather tanning industry...

leather tanning industry coagulation process +7 more

Use of ion exchange for removal of Ammonium: A biological regeneration of zeolite

by

Rahmani A.R. and Mahvi A.H.

General

Nitrogen in the Ammonia form can have deleterious effects in water resources. Ion Exchange by zeolite and biological Nitrification processes are two proposed methods for removing Nitrogen compounds from wastewater and effluents. The main objective of this research was to investigate the efficiency...

Ammonium removal - Ion exchange - Zeolite - Nitrification - Biological regeneration

Trace element removal from hot gasification flue gases using solid sorbents

by

Diaz-Somoano M., Lopez-Anton M.A. and Martinez-Tarazona M.R.

General

Coals contain elements which, although usually found in concentrations lower than 1% (trace elements), can give rise to environmental or technological problems. After gasification most of these elements may occur in gas phase in different proportions. In order to avoid the problems that the presence...

Trace element solid sorbent +3 more

Sulfuration treatment of electroplating wastewater for selective recovery of copper, zinc and nickel resource

by

Fukuta T., Matsuda H., Seto F. and Yagishita K.

General

In the electroplating process, various metal salts are used and the residues on the surface of electroplated materials are rinsed out as wastewater, followed by hydration in a wastewater disposal step. Although a variety of metals are concentrated in the sludge, the mixed heterogeneous state of...

Electroplating wastewater Metal sulfide +3 more

Removal of methylene blue by using biosolid

by

Sarioglu M. and Atay U.A.

General

The mechanism of Methylene Blue adsorption on biosolid (waste sludge) has been studied through batch experiments. The effects of various experimental parameters, such as pH (3- 11), biosolid dosage (1-10 g l-1), contact time (5-1440 min) and initial dye concentration were investigated. The results...

methylene blue dye +1 more

Aeration / Stripping of n-Butyl Mercaptan in aqueous environment

by

Matsis V.M. and Grigoropoulou H.P.

General

Μany applications in water quality management have a common key water quality parameter, dissolved oxygen, resulting to the critical role of aeration. On the other hand, in municipal and industrial wastewater, especially where aeration is applied, the presence of volatile organic compounds (VOCs)...

aeration stripping +3 more

Ozone pre-oxidation of a textile industry wastewater for acute toxicity removal

by

Selcuk H. and Meric S.

General

In this work, pre-ozonation for degradation, decolourization and detoxicifying of a raw textile wastewater collected in a textile fininshing industry, Istanbul (Turkey) is investigated. Differing from the previous studies, a low ozone (O3) flow rate (9.6 mg min-1) was applied at original pH of the...

Textile wastewater pre-ozonation +6 more

Effects of pyrolysis temperature, residence time on the reactivity of clean coals produced from poor quality coals

by

Skodras G., Natas P., Basinas P. and Sakellaropoulos G.P.

General

Combustion of poor quality coals is used today worldwide for energy production. The removal of polluting compounds, i.e. S, N, Hg and Cl from them prior to combustion is important not only for improving the coal quality, but also for meeting the strict environmental standards. Thus, a preventive...

coal carbonisation +3 more

Volume 8 - Issue 1

Influence of the Presence of Long Chain Fatty Acids (Lcfas) in the Sewage on the Growth of M. Parvicella in Activated Sludge Wastewater Treatment Plants

by

Mamais D., Nikitopoulos G., Andronikou E., Gavalakis E., Andreadakis A., Noutsopoulos K., Giotakis C... View all

General

Foaming and bulking problems in activated sludge treatment plants are associated to the presence of a variety of filamentous bacteria. However, it has been observed that M. parvicella is the most frequent filamentous microorganism causing sludge bulking and foaming, especially in treatment plants...

Activated sludge Filamentous Bulking +2 more

An experimental and mathematical simulation of biological processes in a sewerage system

by

Gavalakis Ε., Mamais D., Marinos C. and Andreadakis A.

General

Sewer systems may often operate as bioreactors causing considerable wastewater quality changes and in some cases reducing the pollution load conveyed to the treatment plant. Conceptually, transformation of organic matter takes place both in the bulk water (by suspended micro-organisms) and by the...

Wastewater gravity sewer +4 more

Determination of kinetic parameters in a pilot scale BNR system treating municipal wastewater

by

Kapagiannidis A.G., Vaiopoulou E. and Aivasidis A.

General

Kinetics for the biological processes of nitrification, denitrification and carbon oxidation were studied in the aerobic and anoxic phases of a pilot scale Biological Nutrient Removal (BNR) plant treating municipal wastewater. The configuration of the treating system is based on the combination of...

Municipal wastewater treatment BNR +5 more

Determination of methyl mercury in a pilot-scale activated sludge wastewater treatment plant

by

Pavlogeorgatos G.D., Thomaidis N.S., Nikolaou A.D. and Lekkas T.D.

General

The methylation of mercury has been investigated and documented mainly in sediments, fish and microorganisms, while limited number of relevant studies is available for wastewater. The procedure of mercury methylation can occur via biological pathway (by microorganisms) and via chemical or...

methyl mercury Wastewater +5 more

Economic Evaluation of Small Capacity Sewage Processing Units

by

Gratziou M.K.,Tsalkatidou M., and Kotsovinos N.E.

General

This paper aims at a comparative evaluation of the total cost of urban sewage processing units for several treatment systems, appropriate mainly for small capacity plants. The studied systems are: Oxidation Ditch (O.D.), Trickling Filter (T.F.), Rotating Biological Contactor (R.B.C.), Compact...

Cost wastewater treatment plant +1 more

Kinetic characterization of nitrifying pure cultures in chemostate

by

Kantartzi S.G., Vaiopoulou E., Kapagiannidis A. and Aivasidis A.

General

The process of nitrification in wastewater treatment is widely accepted as a two-step process. In the first step the ammonia is oxidized to nitrite, a process considered to be carried out mainly by the Nitrosomonas sp., while in the second step the Nitrobacter sp. oxidizes the nitrite to nitrate...

nitrification kinetics ammonia oxidation +1 more

Addition of nitrate for odor control in sewer networks: laboratory and field experiments

by

Mathioudakis V.L., Vaiopoulou E. and Aivasidis A.

General

This paper presents a biological method for controlling odor problems caused by H2S originating from sewer networks under anaerobic conditions. The proposed method is based on the continuous addition of nitrate which oxidizes dissolved sulphide according to an autotrophic biological procedure and...

odor control sewer network +5 more

Applied pilot-scale studies on ceramic membrane processes for the treatment of wastewater streams

by

Pagana A., Stoitsas K. and Zaspalis V.T.

General

Asymmetric multilayer Al2O3 ceramic membranes with pore sizes ranging from 3 to 500 nm are synthesized in tubular form with external diameter of 14mm, internal diameter of 8mm and length of 340mm. The membrane synthesis took place on commercially available supports, with the dip-coating technique...

Ceramic membranes Microfiltration +2 more

Coke oven wastewater treatment by two activated sludge systems

by

Papadimitriou C., Dabou X., Samaras P. and Sakellaropoulos G.P.

General

In this study two bench scale activated sludge systems were used, a CSTR and an SBR for the treatment of coke – oven wastewater. Both reactors were inoculated with activated sludge from a municipal wastewater treatment plant. At the first stages of operation, reactors were feed by a mixture of...

SBR CSTR +4 more

Biological treatment of water contaminated by hydrocarbons in three-phase gas-liquid-solid fluidized bed

by

Allia K., Tahar N., Toumi L., and Salem Z.

General

Biological treatment has been carried out in two different systems: aerated closed and threephase fluidized bed reactors for hydrocarbons removal from refinery wastewaters. For the two systems, hydrodynamic study allowed the determination of operating conditions before treatment experiments. Then...

biological treatment refinery wastewaters +2 more

Quick start-up of Mudanjiang wastewater treatment plant and factors influencing phosphorous removal

by

Huang P., Zhao Q., Qin S.Y. and Guo X.

General

Successful start-up of a full-scale wastewater treatment plant (WWTP) is a key issue for the succeeding operation of WWTP on the one hand and the nutritious phosphorus removal is of great concern on the other. After the construction of Mudanjiang WWTP with a flow rate of 100,000 m3 d-1 in...

biological phosphorus removal Anaerobic +3 more

Volume 7 - Issue 3

OPTIMIZED AQUIFER MANAGEMENT, USING LINEAR PROGRAMMING.AN APPLICATION TO THE AGIA VARVARA AQUIFER, DRAMA, GREECE

by

Tzimopoulos C. and Ginidi P.

General

The present research analyzes the behavior of Agia Varvara aquifer in Drama, Greece. A comprehensive and complete simulation-management combination model is applied, capable of calculating the water mass balance of the aquifer and defining the optimal management solution. In order to simulate the...

water resources management Linear Programming +1 more

Multi-criteria reservoir water management

by

Hadjibiros K., Katsiri A., Andreadakis A., Koutsoyiannis D., Stamou A., Christofides A. Efstratiadis... View all

General

The Plastiras dam was constructed in the late 1950s mainly for electric power production, but it has also partially covered irrigation needs and water supply of the plain of Thessaly. Later, the site has been designated as an environment conservation zone because of ecological and landscape values...

water release landscape quality +7 more

Water resources management in the watershed of Volvi Lake

by

Tzimopoulos C., Zeibeki A., Ginidi P. and Evangelides C.

General

The decrease of available water resources, the water quality degradation as well as the rapid increase of population combined with the growth of human activities, impose today the development of a science that concerns the Management of Water Resources. Lake Volvi faces a lot of problems, the most...

water mass balance geostatistic analysis +2 more

Comprehensive water management scenarios for strategic planning

by

Manoli E., Katsiardi P., Arampatzis G. and Assimacopoulos D.

General

The assessment of the applicability and suitability of potential measures and instruments is crucial in the strategic planning of water resources management. This paper presents a methodology founded on scenario analysis for assessing potentially applicable water management options in a regional...

Water resources management scenarios Decision Support System +2 more

Scenario-based strategy development for integrated water management

by

Katsiardi P., Manoli E., Karavitis C. and Assimacopoulos D.

General

This paper presents a step-by-step methodological approach for the development and evaluation of strategies for water deficient regions. The primary focus of the approach followed was the mitigation of water stress, while applying the principles of Integrated Water Resources Management and the EU...

Integrated Water Resources Management Strategic Planning +1 more

Water balance estimation in Anthemountas river basin and correlation with underground water level

by

Fikos I., Ziankas G., Rizopoulou A. and Famellos S.

General

Estimation of annual water balance is critical for water management and developmental planning in the area of Anthemountas river basin. In the framework of LIFE04/ENV/GR/000099 project and in continuance to prior projects in the area, the average annual water balance was estimated using the annual...

Anthemountas river basin water balance +4 more

Water resources and groundwater quality in North Peloponnesus (Greece)

by

Voudouris K.S., Daskalaki P. and Antonakos A.

General

Groundwater plays an important role for urban and agricultural water supply in northern part of Peloponnesus. Despite increasing environmental awareness in this area, groundwater is a resource that is being stressed. Groundwater provides about 80% the total quantity of water supply. Distribution of...

water resources groundwater development +4 more

Some important ecological aspects of the Directive 2000/60

by

Hadjibiros K.

General

The Water Framework Directive 2000/60 is a characteristic example of modern European environmental policy, based upon advanced environmental principles. Is reflects a gradual convergence between actual European political consensus on environmental matters and positions of the green movements. Most...

rational management ecological quality +4 more

Water Resourses in Greece : Present and Future

by

M.A. Mimikou

General

The European Water Framework Directive 2000/60 has established a new legislation for sustainable management of water resources and protection of their relevant eco-systems. The primary objective of the Directive which is the achievement of acceptable water quality through the implementation of...

water use water resources +2 more

European procedures to river quality assessment

by

Naddeo V., Zarra T. and Belgiorno V.

General

The EU directive (2000/60/EC) known as the Water Framework Directive (WFD), identifies new methodology for monitoring and improving of surface water quality in the territory. This includes controlling land-based pollutants as well as defining the constraints for territorial planning. It is...

chemical status ecological status +3 more

Hydrologic modeling for the determination of design discharges in ungauged basins

by

Daniil E.I., Michas S.N. and Lazaridis L.S.

General

All stormwater management projects in Greece are required to get environmental permit before construction. The design return period is often determined by the environmental permit. Determination of design discharges is an important parameter for the design. Design discharge for a given return period...

Design discharge Flood management +3 more

Integrated Surface Water-Groundwater Modelling

by

K. Spanoudaki, A. Nanou, A. I. Stamou, G. Christodoulou, T.Sparks, B. Bockelmann and R. A. Falconer

General

Two Integrated Surface water - Groundwater flow Models (ISGMs) have been developed at the National Technical University of Athens (NTUA), Greece and Cardiff University (CU), UK to investigate surface water-groundwater interactions. The models are based on physical processes and are capable of...

integrated modelling stream-aquifer interactions +2 more

Water mass balance in the case of vertical infiltration

by

Tzimopoulos C., Evangelides C., Arampatzis G. and Anastasiadis E.

General

Water movement in the unsaturated zone is an important hydrological process. Richard’s equation is windily used to describe both soil water infiltration and soil water absorption. Various methods have been developed to solve Richard’s equation. Wang et al. (2003) have developed an algebraic model...

water mass balance vertical infiltration +4 more

Optimal allocation of land and water resources in irrigated agriculture by means of Goal Programming: Application in Loudias River Basin

by

Latinopoulos D. and Mylopoulos Y.

General

Agriculture is an economic activity that contributes significantly to the gross national product of a country, securing at the same time the viability of the rural sector and the social coherence. On the other hand, it can generate an environmental externality, especially concerning water resources...

Agriculture resource allocation +5 more

Forecasting mesoscale precipitation using the MM5 model with the four-dimensional data assimilation (FDDA) technique

by

Yamazaki Y. and Orgaz M.D.M.

General

The two basic forms of multi-scale data assimilation procedures (FDDA), based on Newtonian relaxation, of analysis and observations nudging have been applied for precipitation event period occurred over Portugal during summer season, using the Fifth Generation Mesoscale Model (MM5) developed and...

Mesoscale forecast +2 more

Application of the SWAT (Soil and Water Assessment Tool) model in the Ronnea catchment of Sweden

by

Bekiaris I.G., Panagopoulos I.N. and Mimikou M.A.

General

The subject of this article is the estimation of quantitative (hydrological) and qualitative parameters in the catchment of Ronnea (1800 Km2, located in south western Sweden) through the application of the Soil and Water Assessment Tool (SWAT). SWAT is a river basin model that was developed for the...

Hydrological modeling water resources management +1 more

Simulation of brackish karst springs operation with the MODKARST deterministic model

by

Maramathas A., Gialamas I. and Boudouvis A.G.

General

A simulation is presented of the operation of brackish karst springs with the MODKARST deterministic mathematical model. Through this simulation, major issues regarding the operation mechanisms as well as the sustainable development of the springs are addressed and analyzed. The particular case...

Brackish karst springs Saltwater/freshwater relations +1 more

Dynamics of a temperate fluvial estuary in early winter

by

Vaz N., Dias J.M. and Martins I.

General

In order to evaluate how current speed, salinity and water temperature stratification behaves under the influence of a freshwater source in a tidal domain, a 25 hour survey campaign was performed in the upper sector of the Vouga River estuary, the major source of freshwater of Ria de Aveiro, a...

circulation Salinity +6 more

Volume 7 - Issue 2

Understanding marine eutrophication from agricultural runoff in semi enclosed areas: a short review in the Gulf of Geras, Greece

by

Karydis M.

General

The understanding of marine eutrophication in semi enclosed areas due to agricultural runoff, assumes a more integrated approach taking into account the agricultural watershed, seasonal patterns of soil nutrients, rates of erosion and vegetation types. In the present case study in the Gulf of Geras...

marine eutrophication agricultural runoff +3 more

Toxicity of Organophoshorous pesticides to the marine alga Tetraselmis Suecica

by

Vagi M.C., Kostopoulou M.N., Petsas A.S., Lalousi M.E., Rasouli Ch. and Lekkas T.D.

General

Organophoshorous pesticides are widely used in agriculture, because most of them are high effective and low persistent. Yet their increased usage has elicited extensive research into pesticide effects on non-target organisms, such as algae. Algae are of vital importance in the primary production of...

organophosphorous pesticides Tetraselmis suecica +4 more

Chemical composition of precipitation at coastal and marine sampling sites in Mexico

by

Ceron R.M., Ceron J.G., Cordova A.V., Zavala J. and Muriel M.

General

Chemical characteristics of wet precipitation were measured in Acapulco, Cancun, Tapachula, Puerto Morelos and Tropical Pacific Ocean; from August 1999 to October 2001. The samples were analyzed for pH, Na+, K+, Ca2+, Mg2+, NH4 +, SO4 2-, NO3 - and Cl-. Ionic abundance revealed a significant...

Tropical oceanic rain coastal rainwater chemistry +1 more

Estimation of Anisotropies in Chlorophyll A spatial distributions based on satellite data and variography by

by

Michelakaki M. and Kitsiou D.

General

Sea eutrophication is a natural process, however in many cases is considered one of the major forms of water pollution affecting coastal areas, lakes and reservoirs all over the world. Many methodologies have been developed for assessing eutrophication and during the last decades, the contribution...

marine eutrophication Remote Sensing +3 more

Modeling The Saltwater Intrusion Phenomenon In Coastal Aquifers - A Case Study In The Industrial Zone Of Herakleio In Crete by

by

Papadopoulou M.P., Karatzas G.P., Koukadaki M.A. and Trichakis Y.

General

Salinity is a common problem in Greek islands, especially, during the summer period when the saltwater intrusion becomes more severe due to extensive over pumping. In the past few years, the industrial zone of the City of Herakleio in Crete appears to have an increasing water demand as result of the...

Saltwater intrusion phenomenon Water quality +3 more

Characterization Of Tenorm And Sediments Of Kastela Bay And The Influence Of Tenorm On The Quality Of Sediments

by

Lovrencic I. , Orescanin V., Barisic D., Mikelic L., Rozmaric Macefat M., Lulic S. and Pavlovic G.

General

The objective of this study was set on three goals: (i) Chemical and radiological characterization and leaching properties of the mixture of fly and bottom ash, (ii) Chemical, radiological and mineralogical characterization of the Kastela Bay sediments, and (iii) Estimation of the influence of...

TENORM fly ash +4 more

The Impact Of Tropical Deforestation On River Chemical Pollution

by

Benavides F. and Veenstra J.N.

General

The objective of this study was to provide a quantitative description of the impact of converting tropical forests into pastures for cattle grazing in terms of the sediment, nitrogen and phosphorus concentrations at the outlet of a river basin located in North West Costa Rica. The Soil and Water...

hydrologic modeling Watershed Management +3 more

Assessment of the Microbial Pollution of the Olympic Rowing and Canoeing Center at Schinias through Mathematical Modeling

by

Romas E., Noutsopoulos C. and Andreadakis A.

General

The Olympic Rowing and Canoeing Center constructed at Schinias, accommodated the rowing and canoe – kayak sprint competition of the 2004 summer Olympic Games. This paper presents the results of a study which aimed at assessing the water quality characteristics, regarding microbial pollution, of the...

faecal coliforms mathematical model +2 more

Copper Release In Drinking Water Due To Internal Corrosion Of Distibution Pipes

by

Fabbricino M., Panico A. and Triffuoggi M.

General

The present paper deals with water quality modification during its stagnation in copper distribution pipes caused by electrochemical corrosion processes. Copper is chosen as plumbing material because of its wide use in drinking water distribution systems all around the world, and because of its...

Copper corrosion +3 more

Volume 7 - Issue 1

Simultaneous Compliance of TOC and Turbidity Related to Pathogen Breakthrough and THMs Control by Enhanced Coagulation

by

Rizzo L., Belgiorno V. and Casale R.

General

Since discovery of harmful disinfection by products (DBPs) like trihalomethanes (THMs) and haloacetic acids (HAAs) in chlorinated waters the removal of organic DBPs precursors gained priority in drinking water treatment. Historically, coagulation process was arranged to remove turbidity, typically...

enhanced coagulation pathogens control +2 more

Volatile organic compounds in the finished water of the water treatment plant in Thessaloniki, Greece

by

Xanthopoulou N.J., Papagianni M.V., Papaioannou A. and Haralambidou A.

General

Chlorination has been the most widely used technology for the disinfection of drinking water around the world. The main purpose for the disinfection of drinking water is to protect it against microbial contamination in the distribution systems and to prevent or at least control re-growth of...

THMs VOCs +4 more

Formation of DBPs in the drinking eater of Athens, Greece: a Ten-Year study

by

Golfinopoulos S. and Nikolaou A.D.

General

The formation of Disinfection By-Products (DBPs) in drinking water results from the reaction of chlorine or other disinfectants added to the water with naturally occurring organic materials, and has raised concerns during the last decades because these compounds are harmful for human health. During...

Chlorination Trihalomethanes +3 more

Formation of chlorinated organics in drinking water of Instanbul (Turkey) and Salerno (Italy)

by

Rizzo L., Selcuk H., Nikolaou A., Belgiorno V., Bekbolet M. and Meric S.

General

The occurrence of THMs and HAAs, and other volatile organics in Istanbul (Turkey) and Salerno (Italy) surface water resources was investigated by the previous and present data obtained on raw, coagulated, pre-chlorinated, pre-ozonated water samples. The present drinking water directives/regulations...

chlorinated by-products TTHM formation potential +4 more

Optimization of methods for the determination of DBPs

by

Cancho B. and Ventura F.

General

Chloroform and other bromochlorotrihalomethanes were first identified as disinfection byproducts (DBPs) in chlorinated water in 1970s. Since then, many other DBPs have been identified such as haloacetonitriles, haloacetaldehydes, cyanogen halides, aldehydes, ketoacids, chlorite, bromate and other...

analytical methods DBPs +3 more

Aldehydes formation during water disinfection by ozonation and chlorination process

by

Dabrowska A., Kasprzyk Hordern B. and Nawrocki J.

General

The goal of this paper is an investigation into the influence of disinfection with ozone, chlorine (Cl2) and chlorine dioxide (ClO2) on the aldehydes formation. Three types of waters were treated with different doses of these disinfectants. The results obtained indicate that the level of carbonyls...

disinfection chlorine +4 more

Analytics of MX and NDMA, two disinfection byproducts, in water

by

Andrzejewski P. and Nawrocki J.

General

MX (3-Chloro-4-(Dichloromethyl)-5-Hydroxy-2(5H)-Furanone) and NDMA (N,N-dimethyl-Nnitrosoamine) are disinfection by-products, which are formed during NOM’s and other water containing precursors reaction with chlorine. Both, due to their potential carcinogenic and mutagenic properties were placed on...