toxic waste Articles

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Wastewater Treatment Plant Optimisation PLANT A - Case Study

by Combined Environmental Technologies Ltd (Ireland)  (Dec. 16, 2014)

Site Details: PLANT A, Co. Cavan, Ireland. Operator details: Undisclosed Description of Wastewater Treatment Facility: PLANT A is an activated sludge Municipal Wastewater Treatment Facility which has inlet works followed by an oxidation ditch, secondary clarifier and a tertiary clarifier. Difficulties encountered on the WWTP ...

How to communicate the risks of population growth?

by European Commission, Environment DG  (Nov. 13, 2014)

We need a better understanding of how the public perceive the risks of population growth, a new discussion paper argues. Research into public perceptions of the environmental and social challenges of population growth could guide behavioural-change communications to help limit growth and manage the difficulties. Specific communication issues ...

Effects of climate change on the toxicity of soils polluted by metal mine wastes to Enchytraeus crypticus

by John Wiley & Sons, Ltd.  (Nov. 13, 2014)

The present study aimed to assess the effects of climate change on the toxicity of metal‐polluted soils. Bioassays with Enchytraeus crypticus were performed in soils polluted by mine wastes (mine tailing, forest and watercourse) and under different combinations of temperature (20 and 25 °C) and soil moisture content (50 and 30% of the soil ...

Organic waste biodegradability test bio methane potential method

by Cambi AS  (Dec. 20, 2014)

Management Summary The biogas production from a mixture of food waste, garden waste, paper, napkins, plastic, metals and glass and anaerobically digested sludge was monitored until gas production had ceased. The homogenised biowaste mixture was subjected to two pre-treatment methods prior to being fed to the BMP reactors, these were: ...

Silver nanoparticle toxicity to Atlantic killifish (Fundulus heteroclitus) and Caenorhabditis elegans: A comparison of mesocosm, microcosm and conventional laboratory studies

by John Wiley & Sons, Ltd.  (Nov. 13, 2014)

The use of silver nanoparticles in consumer products and industrial applications, as well as recent detection in waste streams, has created concern over potential impacts on aquatic ecosystems. The effect of complex environmental media on silver nanoparticle toxicity was investigated using wetland mesocosms and smaller scale microcosms. ...

Electronic Waste: The Rich Resource in the Urban Mine

by Tetronics (International) Ltd  (Oct. 29, 2014)

Forgetting your mobile phone can be a real pain, playing on your mind during the day. Then as you think you can feel your phone vibrating in your pocket and you come to realise how dependent we are on our gadgets. Electrical equipment has changed our lives completely and we rely on phones, microwaves, TVs, kettles, computers to keep us informed, ...

Assessment of toxicity of solid waste in landfill dumpsite by the toxicity characteristic leaching procedure

by Inderscience Publishers  (Jun. 2, 2014)

The concentrations of Pb, Cd, Cr, Sb, Fe, Zn, Ca, Cu, Ag, Ba and Hg, present in solid wastes of Pallavaram municipality landfill dumpsite located in Chennai were determined and their toxicity was assessed using the toxicity characteristic leaching procedure (TCLP) developed by the US Environmental Protection Agency (USEPA). The TCLP method is a ...

Industrial process & waste water -MPPE in treatment of tank cleaning-, process- and groundwater case study

by MPPE & TiPSS Technology – Veolia Water Technologies  (Nov. 14, 2014)

Problem: Small irregular heavy waste stream (200p ppm, EOCL, BTEX) Big fluctuating waste/ground/surface water stream (5 ppm, EOCL, BTEX) Solution: MPPE for removing non polar/toxic organic compounds Biotreatment for removing polar and Nitrogen compounds Specific details ...

Wastes as fertilizer – Is this a way to lower food costs?

by GLOBE Foundation  (Aug. 30, 2014)

Researchers in the UK think they may have found a way to produce fertilizers that should cut farmers’ costs and at the same time boost some types of renewable energy. Their scheme, which involves using waste material from anaerobic digesters and ash from burnt biomass, would also cut fossil fuel use and save natural resources. ...

Future outflows of toxic material from end–of–life computers in India

by Inderscience Publishers  (May 29, 2014)

This paper presents an approach to estimate the number of obsolete desktop and notebook computers and the quantity of various toxic components to be generated from these computers in the next ten to 15 years in India. This study indicates that with favourable government policies it will take 30 years more to achieve a computer penetration rate of ...

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