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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 400-MW TCEP plant is an Integrated Gasification Combined Cycle (IGCC) poly-generation facility capable of capturing 90% of the carbon dioxide it produces, as well as 99% of sulfur dioxide, 90% of nitrogen oxide, and 99% of mercury. The facility is expected to be fully operational in 2015.

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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 US Environmental Protection Agency (EPA) released the already widely-discussed (albeit without much detail) “Clean Power Plan” proposal, which mandates a national average 30% cut in greenhouse gas emissions from existing power plants from 2005 levels by 2030. Improving demand-side efficiency.

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Canada and Alberta introduce joint plan for improved environmental monitoring in the oil sands

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Proposed oil sands monitoring by 2015. Sources of air contaminant emissions from oil sands developments include industrial smokestacks, tailings ponds, transportation, and dust from mining operations. In general, these emissions are projected to increase into the future with increasing industrial development. Click to enlarge.

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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 Chemicals, such as fluoride, lead and mercury pesticides, persistent organic pollutants, and others in manufactured goods, eventually find their way into the food chain. Transport: Reduce emissions and increase public transport. million children under age five died.

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Indiana U study suggests cost-effectiveness of EPA air quality regs more uncertain than commonly believed

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The bulk of these regulations require national emissions standards for hazardous air pollutants; analysis includes the Mercury and Air Toxic Standards and the Cross State Air Pollution Rule. Tobe included in the study, rules had to target stationary source emitters, and have promulgation dates between 2011 and 2013. Good and John D.

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