Solid filtration medium incorporating polyacrylamide powder and carbon
AssigneePurafil, Inc.
InventorsWilliam G. England, Jayraj Nayan Joshi
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Abstract
Described herein is a an adsorbent and/or absorbent composition, a method of preparing the adsorbent and/or absorbent composition, and method of treating a fluid stream with the adsorbent and/or absorbent composition. Alumina and carbon are combined with polyacrylamide (PAM) powder and water in preferred proportions and impregnates such as Group 1A metal hydroxides. Group 7A salts of Group 1A metals optionally can be added.
Claims20
A filtration medium comprising high surface area carbon, activated alumina, and polyacrylamide (PAM), wherein the high surface area carbon is present in an amount of from 80% to 95% by wt., the activated alumina is present in an amount of from 1% to 15% by wt., and the PAM is present in an amount of from 1% to about 30% by wt., all based on the total weight of the high surface area carbon, activated alumina, and PAM.
Dependencies are inferred from the claim text.