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Final session on international mercury convention this week expected to culminate in agreement; UNEP Global Mercury Assessment 2013 finds industrial source Hg emissions may be rising

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Unintentional emission sectors: Coal burning, ferrous- and non-ferrous (Au, Cu, Hg, Pb, Zn) metal production, cement production. The fifth and final session of negotiations on the establishment of an international mercury convention—International Negotiating Committee on Mercury (INC5)—is taking place this coming week in Geneva.

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Chalmers team develops method to reduce levels of mercury in sulfuric acid

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Researchers at Chalmers University of Technology, Sweden, have developed a method that can reduce the levels of mercury in sulfuric acid by more than 90%, even from low levels. It is therefore a worldwide challenge that sulfuric acid often contains one of the most toxic substances: mercury.

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Process for Hydrogen Production from Sodium Sulfite Solutions Resulting from Capture of SO2 from Coal Flue Gas

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under illumination from a low pressure mercury lamp. A paper on their work was published 1 June in the ACS journal Environmental Science & Technology. A number of technologies have been employed for the capture and disposal of SO 2 from a flue gas stream. Huang et al. Cunping Huang, Clovis A. Article ASAP doi: 10.1021/es903766w.

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ORNL study identifies more biopathways for formation of toxic methylmercury

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More forms of mercury can be converted to methylmercury—a form of mercury that can be taken into the food chain and eventually can result in mercury-contaminated fish—than previously thought, according to a study led by a team of researchers from Oak Ridge National Laboratory (ORNL) published in Nature Geoscience.

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EPA’s 2011 Toxics Release Inventory shows air pollutants continue to decline, releases of toxic chemicals up

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Among the HAPs showing decline were hydrochloric acid and mercury. Likely reasons for the decreases seen over the past several years include installation of control technologies at coal fired power plants and a shift to other fuel sources. billion pounds of toxic chemicals were disposed of or released into the environment (i.e.,

Pollution 231
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Berkeley study finds renewable portfolio standards insufficient to meet 2030 GHG emission targets; new policy required

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The least expensive way for the Western US to reduce greenhouse gas emissions enough to help prevent the worst consequences of global warming is to replace coal with renewable and other sources of energy that may include nuclear power, according to a new study by University of California, Berkeley, researchers. Click to enlarge.

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Shouldn’t We ALL Be Going to PowerShift 2009?

Creative Greenius

“I can’t understand why there aren’t rings of young people blocking bulldozers and preventing them from constructing coal-fired power plants.” - Al Gore. Maybe you didn’t know there was a coal-fired power plant spewing greenhouse gases, mercury and a very bad vibe just blocks from Capitol Hill.

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