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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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EPA proposes rules for chemicals and fuels made from plastic waste-based feedstocks

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The plastic-based feedstocks used to make these fuels were reviewed and approved by EPA in 2015 and 2019. However, EPA knew less about impurities that may be included in plastic-based feedstocks in 2015 and 2019 than it does today.

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This lithium-free battery startup just raised $78M in Series C funding

Baua Electric

Alsym Energy, which was founded in April 2015, has developed a non-flammable, high-performance rechargeable battery chemistry that’s lithium- and cobalt-free. Tata Limited (a wholly owned subsidiary of Tata Sons) and General Catalyst, a global venture capital firm, jointly led the funding round.

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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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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. Graham (2015) “Uncertainty in the Cost-Effectiveness of Federal Air Quality Regulations” Journal of Benefit-Cost Analysis 6, pp 66-111 doi: 10.1017/bca.2015.7.

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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. million children under age five died. Children are also exposed to harmful chemicals through food, water, air and products around them.