Posts tagged as:

Clean

Tiny Bubbles Clean Oil from Water

by mokosam on November 18, 2009

Small amounts of oil leave a fluorescent sheen on polluted water. Oil sheen is hard to remove, even when the water is aerated with ozone or filtered through sand. Now, 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 [...]

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Wind, Water And Sun Beat Biofuels, Nuclear And Coal For Clean Energy

by mokosam on December 11, 2008

The best ways to improve energy security, mitigate global warming and reduce the number of deaths caused by air pollution are blowing in the wind and rippling in the water, not growing on prairies or glowing inside nuclear power plants, says Mark Z. Jacobson, a professor of civil and environmental engineering at Stanford.
And "clean coal," [...]

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