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Using Ozone-Generated Bubbles to Remove Oil Sheen and Contaminants from Water

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A University of Utah engineer has developed an inexpensive new method to remove oil sheen by repeatedly pressurizing and depressurizing ozone gas, creating microscopic bubbles that attack the oil so it can be removed by sand filters. Water from mining of oil sands and oil shale. Heavy metals in soil.

Ozone 199
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Critical review finds actual measurement data on segments of natural gas lifecycle sparse or lacking

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This surge in exploration and production from unconventional sources has been accompanied by public concerns about various environmental issues—including air quality, water quantity and quality, and human health impacts. well production end-of-life. Credit: ACS, Moore et al.

Gas 218
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Researchers describe the “where” and “when” of life cycle emissions from gasoline and ethanol in the US

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60% of ground-level ozone (O 3 ) precursors, 6% of fine particulate matter (PM 2.5 ), and 22% of greenhouse gases (GHGs) emitted. Upstream processes involved in fuel production also contribute to overall environmental impacts. and 10 micrometers in diameter (PM 2.5 and PM 10 ); and sulfur oxides (SO x ). the contiguous US).

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