Dual-action decontamination method
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United States of America Patent
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Jun 12, 2007
Grant Date -
Aug 26, 2004
app pub date -
Feb 27, 2004
filing date -
Sep 13, 2001
priority date (Note) -
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Abstract
Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants from the water. By employing this dual decontamination action, filter systems employing such particles can improve the quality of runoff water (or other contaminated water streams) and reduce the risk presented by potentially harmful organisms.
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