newshound
04-23-2009, 09:56 AM
As municipalities across the United States reduce their dependence on groundwater sources to mitigate environmental impacts like subsidence and flooding, there is a growing need for better purification processes to keep contaminants found in surface water sources out of the public tap. Without a drop of hesitation, University of Houston environmental engineer Shankar Chellam says the answer is clear: super-thin membrane filters.
More... (http://www.medicalnewstoday.com/articles/147119.php)
More... (http://www.medicalnewstoday.com/articles/147119.php)