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SILANE-TREATED SILICA FILTER MEDIA

  • US 20080185333A1
  • Filed: 04/11/2008
  • Published: 08/07/2008
  • Est. Priority Date: 10/01/2002
  • Status: Active Grant
First Claim
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1. Silane-treated silica filter media prepared by reacting the surface active group of silica filter media with one or more silanes comprising a hydrolyzable moiety selected from the group consisting of aryloxy, amide, methacrylate, carbonyl, urethane, pyrrole, carboxy, cyano, aminoacyl, acylamino, alkyl ester, and aryl ester, wherein the silica filter media are rice hull ash, oat hull ash or diamataceous earth.

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