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OSU team develops process to clean coal mine drainage and extract rare earth elements

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Researchers at The Ohio State University have developed a novel process to clean coal mine drainage and extract rare-earth elements from it. The TEP process uses the alkalinity and filtering capacity of stabilized flue gas desulfurization (sFGD) material or water treatment plant (WTP) sludge to remediate CMD waters and extract REEs.

Coal 283
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Double-duty catalyst generates hydrogen fuel while cleaning up wastewater

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Researchers from Sun-Yat Sen University in China report in an open-access paper in ACS ES&T Engineering the development of a catalyst that destroys medications and other compounds already present in wastewater to generate hydrogen fuel, getting rid of a contaminant while producing something useful. —Wu et al. ACS EST Eng. 1c00003.

Hydrogen 243
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CU Boulder study: routine household activities generate air quality on par with major polluted city

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Cooking, cleaning and other routine household activities generate significant levels of volatile and particulate chemicals inside the average home, leading to indoor air quality levels on par with a polluted major city, according to a study by researchers at the University of Colorado Boulder. Earlier post.).

Pollution 207
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Ice core data show why air pollution is dropping more slowly in US and Western Europe despite lower sulfur emissions

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Low-sulfur gasoline standards and regulations on power plants have successfully cut sulfate concentrations in the air, reducing the fine particulate matter that harms human health and cleaning up the environmental hazard of acid rain. —co-author and leader of SE-Dome ice core project Yoshinori Iizuka, Hokkaido University.

Pollution 221
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Researchers find abundance of oil-eating bacteria in northeast Atlantic

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A team of scientists from Heriot-Watt University has found the waters in the Faroe-Shetland Channel (FSC) are teeming with oil-eating bacteria. We demonstrate that bacterioplankton communities were significantly different across water samples of contrasting origin and depth. —Tony Gutierrez.

Oil 225
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Hyundai Motor Group, Aramco and KAUST collaborate on new e-fuel for novel combustion system

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Hyundai Motor Group will collaborate with the Saudi Arabian Oil Company (Aramco) and King Abdullah University of Science and Technology (KAUST) jointly to research and develop an advanced fuel for an ultra lean-burn, spark-ignition engine that aims to lower the overall carbon dioxide emissions of a vehicle.

Hyundai 448
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Chalmers study finds ship exhaust gas scrubbers responsible for up to 9% of certain hazardous emissions into Baltic Sea

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New research from Chalmers University of Technology, Sweden, finds that the discharge water from ships’ exhaust gas treatment systems—i.e., A scrubber is used on ships to clean exhaust gases, primarily to reduce emissions of sulfur oxides to the atmosphere. Ytreberg et al.

Exhaust 170