toxic waste Articles

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Heavy Metal(s)

by Arrow Electronics  (Apr. 7, 2015)

“Heavy metal” isn’t associated only with rock music. In sustainability, it refers to real metals like cadmium, mercury and lead. And we can all agree that while a little heavy metal ringing in our earphones is OK, we really don’t want to find heavy metals in our water or soil. However, they’re in the electronics ...

Toxins Found in E-Waste

by Electronic Recyclers International, Inc (ERI)  (Jan. 5, 2015)

One of the worst effects of a skyrocketing, global e-waste crisis is the risk of toxic contamination for the environment and communities. In fact, delving into the many chemical and heavy metal materials that make up most electronic devices, it seems that toxins and electronics go hand in hand. Though many manufacturers of electronic devices are ...

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 ...

Eco-toxicity of oily wastes containing TENORM

by Inderscience Publishers  (Aug. 5, 2014)

Oily wastes are considered as one of the most hazardous waste types. Additionally to petroleum components, they can contain radioactive elements. This study aimed to estimate the toxicity of four raw and two treated waste samples obtained from petroleum production yard. Eight elutriate bioassays using plants ( Raphanus sativus and algae ...

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 ...

46 million tons of trash — or treasure?

by Ensia  (Apr. 21, 2015)

When we think of e-waste, we tend to think of phones, computers, printers and the like. But that’s just the tip of the iceberg. According to a first-ever global look at the production, impacts and management of electrical and electronic waste released this week by the United Nations University, of the 46.1 million tons (41.8 million metric ...

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. ...

SGS Informs on Persistent Organic Pollutants and Hazardous Waste Management in Greece

by SGS  (Dec. 30, 2014)

On 25 September 2014, the European Commission (1) announced that it is asking the European Union Court to fine Greece for inadequate management of hazardous waste. Greece Inadequate Management of Hazardous Waste The fine is EUR 14,904,736 and a daily penalty payment of EUR 72,864 until Greece fulfills its obligations. The hazardous waste ...

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: ...

Microbial fuel cell-based biosensors for environmental monitoring: a review

by IWA Publishing  (Mar. 27, 2015)

The microbial fuel cell (MFC) is an innovative technology that was initially designed to harness energy from organic waste using microorganisms. It is striking how many promising applications beyond energy production have been explored in recent decades. In particular, MFC-based biosensors are considered to be the next generation biosensing ...

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