Removing viruses from drinking water
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United States of America Patent
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Jan 28, 2014
Grant Date -
Nov 3, 2011
app pub date -
Aug 17, 2009
filing date -
Aug 15, 2008
priority date (Note) -
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Abstract
A process of removing viruses from drinking water is disclosed. The process involves filtering drinking water, having a viral contaminant, through a layer of coarse sand; contacting the drinking water with a composite iron matrix; and purifying the drinking water by allowing the composite iron matrix to adsorb the viral contaminant for at least fifteen minutes. The major component of the composite iron matrix is an iron component, which is at least about 68% to about 92% iron by weight. Other components include manganese; cerium; carbon; phosphorous; sulfur; aluminum; silicon; chromium; copper; and zinc.
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