Issue 1
A Novel Model Predictive-Fuzzy Logic Hybrid Controller Design for D-STATCOM in Wind Energy Distribution Systems
Environmental Sciences
Wind energy is a resource that does not require any fuel or feedstock to be treated, refined or transported. It does not produce air pollution and hazardous waste. Because of these, wind energy, one of the major renewable energy sources, has been widely used in recent years. In this work, a three...
EFFECTS OF FEEDING GENETICALLY MODIFIED (GM) MAIZE ON OXIDATIVE STRESS PARAMETERS IN NEW ZEALAND RABBIT
Environmental Sciences
In this study, we investigated the effects of Genetically Modified (GM) Maize on liver and kidney tissue weights, malondialdehyde (MDA) and glutathione (GSH) levels of liver and kidney tissues in New Zealand Rabbits. For this purpose, rabbits were divided into three groups: parental, first...
Evaluation of the anthropogenic impact in Suat Ugurlu Dam lake using multivariate statistical techniques
Environmental Sciences
Sediments play an important role in the quality of aquatic ecosystems in the Dam Lake where they can either be a sink or a source of contaminants, depending on the management. This purpose of this study is to identify the sediment quality in order to find out the causes for the malodor and the...
Statistical Assessment of Water Quality Parameters for Pollution Source Identification in Bektaş Pond (Sinop,Turkey)
Environmental Sciences
This study was carried out between September 2015 and August 2016 in four sampling sites. Water quality of the pond was examined according to sites and seasons, water quality classes were determined and pollution problems were revealed. In addition, the suitability of aquatic life forms has been...
Utilization and Planning of Coastal Areas in Ordu
Environmental Sciences
Coastal management is generally means planning and application of environmental changes in the coastal area. The rapid spread of industrialization, urbanization, tourism and recreational activities are affecting the coastal cities in a much more negative way in Turkey, compared to other countries...
Erosion of the thermocline in the Gulf of Patras, due to a severe wind event
Environmental Sciences
Three-dimensional numerical simulations, performed using the MIKE 3 FM (HD) code, have been used to study the effect of a severe wind event on the early stratification structure in the Gulf of Patras, Greece. Before the onset of the severe wind event thermocline was at an approximately mean depth of...
Organotin compounds in marine sediment: Detection and concerns
Environmental Sciences
The determination of organotin compounds (OTCs) in environmental matrices has been subject to great scientific attention during last years, as the accuracy and sensitivity of analytical methods need to be improved in order to be able to detect the compounds of interest in a complex matrix such as...
A GIS methodology to support sea water quality assessment in coastal areas
Environmental Sciences
The development of methodologies for assessing water quality in coastal areas including mapping of eutrophication levels is a research area of high interest. A wide range of methodological approaches can be found in the literature, including multivariate techniques, since marine eutrophication is a...
Temporal variations of Eastern Black Sea Aerosol
Environmental Sciences
In this study, chemical composition of coarse (PM2.5-10) and fine (PM2.5) aerosols and their seasonal characteristics was used to investigate factors affecting seasonal variations in concentrations of species. Concentrations of 17 trace elements and SO42- were determined in coarse and fine aerosol...
Source Identification of VOCs In METU Campus Through Factor Analysis
Environmental Sciences
In this study, 55 ozone precursor VOCs, which are routinely measured in PAMS (Photochemical Assessment Monitoring Station) were measured in a suburban station located at Middle East Technical University, Environmental Engineering Department in, Ankara. Daily air samples were collected in evacuated...
Investigation of Performance of Tropospheric Ozone Estimations in The Industrial Region Using Differential Artificial Neural Networks Methods
Environmental Sciences
The method of Levenberg-Marquardt learning algorithm was investigated for estimating tropospheric ozone concentration. The Levenberg-Marquardt learning algorithm has 12 input neurons (6 pollutants and 6 meteorological variables), 28 neurons in the hidden layer, and 1 output neuron for the Ozone (O3)...
Dredges' management: Comparison of regulatory frameworks, legal gaps and recommendations
Environmental Sciences
This work deals with an environmental issue affecting particularly the Mediterranean coastal countries, that of dredges handling, and investigates how it is nationally designed and regulated. The described legislative frames are based upon relevant European regulatory systems and highlight the...
The SWOT analysis for sustainable MSWM and minimization practices in Turkey
Environmental Sciences
One of the most important environmental problems is municipal solid waste management (MSWM) as a result of the rapid rise in waste generation due to industrialization, economic development, urbanization, and rapid population growth in Turkey. The collection, transportation, and disposal of solid...
Ultrasound–assisted adsorption of toxic dyes by cottonseed cake: artificial neural networks, regression models and response surface optimization
Environmental Sciences
In this study, dehydrated cottonseed cake as a low-cost and abundant byproduct in Turkey was utilized as an adsorbent for the decolorization of Reactive Blue 19 (RB19) and Reactive Yellow 145 (RY145) from aqueous solutions based on adsorption and ultrasound-assisted adsorption (UAA). Decolorization...
Treatment efficiency and sludge characteristics in conventional and suspended PVA gel beads activated sludge treating phenol containing wastewater
Environmental Sciences
Protozoa play a significant role in activated sludge systems, since they graze on dispersed bacteria, supporting a healthy food web in the activated sludge artificial ecosystem. However, operational parameters and influent properties are the most important factors affecting the composition of...
Evaluation of biomass type blue Cyanophyta algae for the sorption of Cr (III), Zn (II) and Ni (II) from aqueous solution using batch operation system: Kinetics and thermodynamic studies
Environmental Sciences
The biosorption of Cr (III), Zn (II) and Ni (II) ions from aqueous solution by dead blue algal biomass (Cyanophyta) was investigated in single metal system and batch conditions. Experimental parameters included contact time (0-140 min), pH (2-8), sorbent dose (0.1-2.0 g), initial concentrations (10...
Performance of granular activated carbon/nanoscale zero valent iron for removal of humic substances from aqueous solution based on Experimental Design and Response Surface Modeling
Environmental Sciences
Response surface methodology has been used to design experiments and to optimize the effect of independent variables responsible for higher adsorption of humic substances by activated carbon supported nanoscale zero-valent iron from aqueous solutions. The variables of initial concentration, time, pH...
Healthcare waste management in Greece. The example of Health Region of Western Greece, Peloponnese, Epirus and Ionian Islands
Environmental Sciences
The aim of the present study is a) to examine the healthcare waste management practices in W. Greece, Peloponnese, Epirus and Ionian islands b) to investigate the implementation of the institutional frame and c) to make suggestions in order to achieve a proper Hospital Healthcare Waste Management...
Point source pollution and climate change impact from sequential batch reactor wastewater treatment plant
Environmental Sciences
Since sequential batch reactor (SBR) system is sequentially removes carbon, nitrogen and phosphorous in a single reactor by maintaining anoxic and aerobic stages, it recently has attracted a great deal of interest. This study evaluates the impact of wastewater treatment plant (WWTP) with a SBR...
Biosorption of Azo Dye (Maxilon Red and Everzol Red) on to Natural and Modified Waste Sludge
Environmental Sciences
A wide range of technologies has been developed for the removal of dyes from wastewaters to decrease their environmental impact. Wastewater containing dyes is generally treated using more than one process such as adsorption/biosorption. In this study, effects of initial pH (2-8), initial azo dye...
Color Removal from Wastewater by Using Two-Step (Biological and Chemical) Aerobic Filter Reactors
Environmental Sciences
The discharge of colored textile wastewaters containing dyes with different chemical characteristics into the receiving streams is a problem for toxicological, ecological and also esthetical reasons. Most of dyes are stable, and not easily degradable by the conventional treatment methods, so removal...
Application of Fenton reagent and adsorption as advanced treatment processes for removal of Maxilon Red GRL
Environmental Sciences
In this paper, the removal of Maxilon Red GRL by adsorption onto raw soil sample known as Niğde (Bor) grape molasses soil and Fe+2/H2O2 reagent as advanced treatment processes were investigated. The effects of various experimental parameters such as initial Fe+2 and H2O2 concentrations, pH...
Nature and adsorption capacity of banana leaf rim carbon
Environmental Sciences
The activated charcoal (AC) was synthesized from banana leaf rim (BLR) through three activation methods; physical (BLRC), chemical (Z BLRC, zinc chloride) and microwave activation (MW BLRC). The AC was characterized using fourier transform infrared spectrometer (FT-IR), Thermogravimetric analysis...
Effect of olive core and olive core ash on the growth of Helianthus annuus and soil quality
Environmental Sciences
Field experiments were carried out using Helianthus annuus in an attempt to improve the quality of soil conditions by application of industrial waste. A range of quantities of olive core, olive core ash and a mixture of the two kinds of waste were applied. In all experimental fields the plants...