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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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New analysis finds Asia produces twice as much mercury emissions as previously thought

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New analysis by an international team led by MIT researchers shows that Asia now releases a surprisingly large amount of anthropogenic mercury. The new analysis provides more accurate estimates of sources of mercury emissions around the world. The team’s top-down analysis improves on other models that take a bottom-up approach.

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Texas utility signs first US Power Purchase Agreement for low-emissions electricity from commercial-scale coal-fired power plant with carbon capture

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The agreement marks the first US purchase by a utility of low-carbon power from a commercial-scale, coal-based power plant utilizing carbon capture. billion plant will receive $450 million in funding from the Clean Coal Power Initiative; of this, $211 million comes from the American Recovery and Reinvestment Act of 2009.

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Texas Clean Energy Project signs long-term CO2 offtake agreement with Whiting Petroleum for enhanced oil recovery; 90% CO2 capture from IGCC coal polygen plant

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The TCEP would integrate coal gasification, combined-cycle power generation, CO 2 capture, and. TCEP will begin delivering CO 2 to Whiting when the plant commences operations in late 2014 or early 2015; construction is scheduled to begin at the end of this year. urea production. CO 2 capture and shipment via pipeline shown at top.

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EPA proposes rule for nationwide 30% cut in GHG from existing power plants by 2030 relative to 2005

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The value allocated here in EPA’s goal-setting formula was an average heat rate improvement of 6% for coal steam electric generating units (EGUs). In 2020, EPA projects a 20% to 23% reduction of SO 2 ; 22% to 24% reduction of NO x ; and a 15% to 18% reduction of mercury, under the proposed Option 1 illustrative scenarios. billion kWh).

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WHO attributes more than 1 in 4 deaths annually of children under 5 years to unhealthy environment

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In 2015, 5.9 In households without access to basic services, such as safe water and sanitation, or that are smoky due to the use of unclean fuels, such as coal or dung for cooking and heating, children are at an increased risk of diarrhea and pneumonia. million children under age five died.