Skip to main content

Selective leaching of copper from waste printed circuit boards (PCBs) using glycine as a complexing agent

by

Mokhlis H. et al. View all

Issue 1

Solid Waste Management

In this research, the selective leaching of copper from waste printed circuit boards (PCBs) using glycine as a complexing agent was investigated. PCBs were pulverized and sieved, which allowed obtaining a PCBs powder of particle size fraction ≤ 1mm. The PCBs powder has been characterized by several...

copper recovery WEEE +4 more
Read more

Extraction of Zinc Metal ions from Aqueous Solution Using Ionic Liquids

by

Muhammad Tariq Sarwar et al. View all

Issue 1

Water and wastewater treatment and reuse

This work analyzes the extraction behavior of transition heavy metal Zinc and other metal ions such as Copper, and Cadmium from hydrochloride aqueous solution in the absence of chelating agents by using a novel class of hydrophobic ionic liquids. Ionic liquid for this study was synthesized based on...

Heavy metals Wastewater +2 more
Read more

Synthesis of 1,5-diphenylcarbazide-immobilized alginate/pectin films for colorimetric detection of Cr(VI)

by

Dwi Siswanta et al. View all

Issue 3

Air pollution and health

An optical sensor for colorimetric detection of Cr(VI) has been synthesized by immobilizing 1,5-diphenylcarbazide (DPC) into alginate/pectin films. The addition of cationic surfactant (CTAB) was used to increase the effectiveness of DPC immobilization by forming hydrophobic-ion pairs. At optimum...

1 5-diphenylcarbazide +3 more
Read more

Ecological Remote Sensing Image Monitoring Method for Vegetation Destruction in Waterfront Greenway Based on Genetic Algorithm

by

Jihua Liang et al. View all

Issue 4

CLEANWAS

Because the traditional remote sensing image monitoring method has the problem of poor ability of capturing vegetation destruction, an ecological remote sensing image method for vegetation destruction in waterfront greenway based on genetic algorithm is proposed. The vegetation index data of...

Genetic Algorithm Waterfront greenway +5 more
Read more

NICHE EVALUATION AND EVOLUTION PATH SELECTION OF FORESTRY ENTERPRISES IN NORTHEAST STATE-OWNED FOREST REGION

by

Yude Geng et al. View all

Issue 4

CLEANWAS

On the Basis of Relevant Theory and Literature Research, analyze the development of forestry enterprises in northeast China, and establish the evaluation index system of the ecological situation of forestry enterprises in northeast China. Based on the composite weights of objective and subjective...

Ecological niche Situation & Potential +2 more
Read more

Application of the Analytic Hierarchy Process (AHP) to select the best oil spill cleanup method in marine protected areas for calm sea condition

by

Giambattista Guidi et al. View all

Issue 3

Oil spill cleanup is a complex and expensive activity. There are several commonly used techniques available today. The paper suggests criteria for the selection of the best available technique that could be employed in case of oil spills in the Mediterranean Sea under specific circumstances, i.e...

oil spill best available techniques +6 more
Read more

Spatio-temporal Land Use Regression Modelling of Ozone Levels in Athens, Greece.

by

Klea Katsouyanni et al. View all

Issue 1

Air pollution and health

Spatio-temporal methods have been developed for the estimation of concentrations of pollutants such as particulate matter and nitrogen dioxide for application in epidemiological studies. A limited number of city-specific spatio-temporal ozone (O3) models have been proposed until today. Our aim was...

Spatio-temporal modeling Ozone +4 more
Read more

Indoor Air Quality Assessment and Health impact in context to Household conditions in Lucknow

by

Dr. Alfred J. Lawrence et al. View all

Issue 1

Air pollution and health

To assess the indoor air quality an investigation was conducted in Lucknow from November 2014 to October 2015. In total seven pollutants viz. SO2, NO2, CO2, CO, NH3, H2S, PM10 and PM2.5 were assessed in five urban and five rural houses. House selection was done after questionnaire survey with...

Indoor air questionnaire +3 more
Read more

Study of mercury behavior and earthworm bioassays in three solid environment components from selected areas of Eastern Slovakia

by

Dr. Oľga Šestinová et al. View all

Issue 4

CEST2017 - Heavy metals in the environment

A 28-day bioassay with the earthworm (Dendrobaena veneta) was used to assessing the ecotoxic effect of mercury in study soils and sediments. This article deals with quality evaluation of the soils, sediments and plants (assimilation organs) from three localities, Rudňany, Krompachy, and water...

Soil sediment +3 more
Read more

A numerical model for river habitat restoration: a case study of the Chin-sha River in China

by

Yao Weiwei et al. View all

Issue 3

Environmental management and policy

Currently, the ecosystem is being damaged in many rivers and subsequently the fish species living there are also facing decline or even extinction. This situation urges to model the habitat and to design suitable restoration strategies in order to increase the capabilities of ecological modeling. In...

River restoration strategy ecohydraulic simulation +4 more
Read more

Simple and low cost dithizone-functionalized polymer membranes as a tool for mercury preconcentration and monitoring in aqueous bodies. Preliminary results using X-ray absorption near-edge structure (XANES).

by

Nikolaos Kallithrakas-Kontos et al. View all

Issue 4

CEST2017 - Heavy metals in the environment

Here the effectiveness of cation selective membranes, produced for divalent mercury (Hg2+) preconcetration from aqueous bodies, is examined. To this end, the behavior of PVC-based membranes, functionalized with dithizone for mercury complexation, is examined by means of Energy Dispersive X-ray...

Hg Mercury +5 more
Read more

Supercritical water oxidation of octol – containing wastewater

by

Gurbulak E. et al. View all

Issue 2

Water and wastewater treatment and reuse

This study investigated optimum operating conditions of supercritical water oxidation (SCWO) for octol and compared the degradation of its components TNT (2,4,6-trinitrotoluene) and HMX (octahydro-1,3,5,7- tetranitro-1,3,5,7-tetrazocine, octogen) under the same conditions. Pilot scale experiments...

supercritical water oxidation ammunition wastewaters +4 more
Read more

Optimization of raw acrylic yarn dye wastewater treatment by electrochemical processes: kinetic study and energy consumption

by

Fatih Ilhan et al. View all

Issue 2

Water and wastewater treatment and reuse

The textile industry has an important place in the environmental pollution due to its heavy water consumption and to the toxic content of dye. Every succeeding day, the water quality is deteriorated because the wastewater containing the dye is supplied to the receiving medium. In this study, The...

Electrofenton Electrocoagulation +5 more
Read more

Water Quality Monitoring with Emphasis on Estimation of Point and Diffuse Pollution Sources

by

Burcu SIMSEK UYGUN et al. View all

Issue 2

Air pollution and health

Population growth, urbanization and anthropogenic activities are becoming a serious problem for water resources in Turkey, which necessitates their monitoring and maintenance of water quality. In this study, water quality was implemented in the Porsuk Stream in Inner Anatolia, Turkey. Water samples...

Water quality stream monitoring +7 more
Read more

Removal of Emerging Contaminants in Wastewater by Sonolysis, Photocatalysis and Ozonation

by

Vincenzo Naddeo et al. View all

Issue 2

Water and wastewater treatment and reuse

Three different advanced oxidation processes (AOPs) were applied to investigate the removal of emerging contaminants (ECs) i.e. sulfamethoxazole (SMX), diclofenac (DCF) and carbamazepine (CBZ) in synthetically prepared solutions. The degradation of these substances was carried out by ozonation...

Advanced oxidation processes Catalyst +3 more
Read more

Mass transfer intensification in bioactive compounds recovery by alternative extraction methods: effects of solvent

by

ATANASOV S. et al. View all

Issue 1

Green Chemistry and Sustainable Development

Recently, the exploration of new alternatives to common organic solvents in combination with non-conventional energy sources is a subject of intense research and development as tools for green extraction of plant-derived natural products. This paper deals with the use of low frequency ultrasound...

Deep eutectic solvents Pulsed electric field +4 more
Read more

Odour impact assessment of a large municipal solid waste landfill under different working phases

by

Agostina Chiavola et al. View all

Issue 3

CEST2017- Environmental odour, monitoring and control

Odours are among the main causes of complaints in regards to environmental issues for a variety of plants, including landfills. The emissions from landfills can affect the quality of life and negatively influence the area nearby. To protect people living in the surroundings from excessive odour...

control dispersion model +2 more
Read more

WEEE collection and CRM recovery trials: piloting a holistic approach for Scotland

by

Andrew Hursthouse et al. View all

Issue 4

Solid Waste Management

Re-Tek UK and its partners, Enscape Consulting and the University of West of Scotland commenced trials for the collection and recovery of critical raw materials from waste electrical and electronic (WEEE) products in July 2016. Sponsored by the EU LIFE funded project ‘Critical Raw Material Closed...

critical raw materials Bioleaching +7 more
Read more

Optimization of process variables for treatment of food industry effluents by electrocoagulation

by

Ozbay I. et al. View all

Issue 3

Water and wastewater treatment and reuse

The present study investigates the process optimization for treatment of potato processing industry wastewater by electrocoagulation. Performance of treatability was evaluated by achieved chemical oxygen demand (COD) removal efficiencies. Response Surface Methodology was applied to determine...

Central composite design COD removal +4 more
Read more

Scavenging of atmospheric particulates by snow in Changji, China

by

Yuyan Liu et al. View all

Issue 3

Air pollution and health

Changji is an arid city in the north west of China which suffers from severe air pollution due to increasing vehicle use and heating with coal. Samples (TSP, PM10, PM5, PM2.5) were collected before and after several snow events, for revealing the snow scavenging effect and influencing mechanisms...

Snow Atmospheric Particulates +2 more
Read more

Uncertainty analysis in sizing rainwater harvesting tanks in an isolated island with limited water resources

by

Koumoura Kleanthi et al. View all

Issue 3

Hydrology and Water Resources Management

This research work focuses on the analysis of the involved uncertainty and the corresponding reliability in the sizing of rainwater harvesting systems. For this reason, an uncertainty analysis was carried out, based on 23 years of historic daily record of a station in Kimolos Island (Aegean, Greece)...

Uncertainty analysis rainfall disaggregation +2 more
Read more

Estimation of Waste Mobile Phones in the Philippines using Neural Networks

by

Mark Gino K. Galang et al. View all

Issue 4

Solid Waste Management

Waste mobile phone is one of the subgroups of e-waste which is defined as discarded electronic products in the Philippine context. This study estimated current and projected quantities of waste mobile phones in the country using feed forward neural network. The neural network architecture used had...

Feed-forward neural network eWaste +1 more
Read more