26 Jun '12, 8pm

Green Blog: A Novel Way to Clean Wastewater

Seven years ago, Paul Edmiston was working in his laboratory on a potential way to detect the presence of explosives. By accident, he created a material that acted as a powerful sponge that could absorb small organic compounds like gasoline, motor oil, and pesticides dissolved in water. Today Dr. Edmiston, a professor of chemistry at the College of Wooster in Ohio, is hoping that his invention, dubbed Osorb, will have a new commercial application: cleaning the wastewater created by the drilling process called hydraulic fracturing. In fracking, a mix of water, sand and chemical additives is injected into a drilling well under heavy pressure to release natural gas from shale deposits. At the end of the process, some of the chemical-laden water returns to the surface along with salts, radioactive elements and other contaminants absorbed from the shale. Safely disposing of the...

Full article: http://green.blogs.nytimes.com/2012/06/26/a-novel-way-to-...

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