METAL IMPREGNATED ACTIVATED CARBONS AND METHOD OF MAKING SAME
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United States of America Patent
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Issued Date -
Nov 27, 2008
app pub date -
May 23, 2008
filing date -
May 24, 2007
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Abandoned
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Abstract
An odor control product is disclosed comprising an activated carbon impregnated with a metal oxide and a salt, wherein the carbon has an activity high enough to compensate for the physical adsorption capacity used by the salt. Methods of making metal-impregnated activated carbon using water-soluble metal salts are provided without need for ammoniacal solvent media. An activated carbon base of higher activity than would be normally employed is impregnated with water-soluble metal salt. The impregnated carbon is impregnated with an aqueous alkaline solution and the resulting hydroxide decomposed to the metal oxide.
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