Removal of arsenic from drinking and process water
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United States of America Patent
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Nov 4, 2008
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N/A
app pub date -
Apr 10, 2003
filing date -
Apr 10, 2002
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Abstract
A method of removing arsenic and heavy metals from water using metal salt hydroxidegels is provided. The arsenic present in water is adsorbed onto the hydroxide-gels which can effectively be filtered through a diatomaceous earth (DE) filtration bed. The combination of DE mixed hydroxide-gels is also effective in removing arsenic from water and heavy metals from water.
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