01 Sep '11, 3pm

Removing Arsenic From Water With...Plastic Bottles and Nutrition Supplements?!

American Chemical Society reports that almost 100 million people in developing countries areexposed to dangerously high levels of arsenic in their drinking water. But this new technology could help as a simple, inexpensive and very easy to use solution. "Dealing with arsenic contamination of drinking water in the developing world requires simple technology based on locally available materials," said study leader Tsanangurayi Tongesayi, Ph.D., professor of analytical and environmental chemistry at Monmouth University, West Long Branch, N.J. "Our process uses pieces of plastic water, soda pop and other beverage bottles. Coat the pieces with cysteine -- that's an amino acid found in dietary supplements and foods -- and stir the plastic in arsenic-contaminated water. This works like a magnet. The cysteine binds up the arsenic. Remove the plastic and you have drinkable water." ...

Full article: http://www.treehugger.com/files/2011/09/removing-arsenic-...

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