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Science Can Turn Cow Poop Into Clean Water

30
May
2014

Scientists at Michigan State University say they have developed a system that turns cow manure into clean water, while extracting valuable nutrients and helping the environment, which is as gross as it is impressive.   The McLanahan Nutrient Separation System uses an anaerobic digester (a machine that takes waste and creates energy) coupled with an ultrafiltration, air stripping, reverse osmosis system. “If you have 1,000 cows on your operation, they produce about 10 million gallons of manure a year,” said Steve Safferman, an associate professor of biosystems and agricultural engineering at Michigan State University, who helped develop the project.

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