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miércoles, 14 de julio de 2010

CLEANING OIL SPILLS , APPROPRIATE FOR THE GULF OIL !!

Cleaning and Salvaging: Video
Two months after the massive oil spill in the Gulf of Mexico, a University of Pittsburgh, PA, engineering professor offers another cleanup solution. A cotton filter soaked in a polymer solution blocks oil and allows clean water to pass through. The polymer is both hydrophilic — so it bonds with the hydrogen in water, and oleophobic — so that it repels oil. The filter fabrication process entails soaking cotton cloth in liquid polymer solution followed by drying. The hope is to create trough-shaped filters to drag through the affected area, recovering oil and leaving clean water behind. A video shows impressive recovery; see: http://www.youtube.com/watch?v=kfRKjiOXVWE

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