Wednesday, November 28, 2007
News Putting the 'P' back in Perrier
Posted by Andisheh Nouraee on Wed, Nov 28, 2007 at 4:13 PM
From yesterday's NY Times, one way Georgia might supplement its water supply in the future:
... a labyrinth of tubing and tanks that sucks in treated sewer water the color of dark beer from a sanitation plant next door, and first runs it through microfilters to remove solids. The water then undergoes reverse osmosis, forcing it through thin, porous membranes at high pressure, before it is further cleansed with peroxide and ultraviolet light to break down any remaining pharmaceuticals and carcinogens.The result, Mr. Markus said, “is as pure as distilled water†and about the same cost as buying water from wholesalers.
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