Timothy A Webster

US Patent:

43614868, Nov 30, 1982

Filed:

Apr 28, 1981

Appl. No.:

6/258247

Inventors:

Kenneth C. Hou - San Antonio TX
Timothy J. Webster - Norfolk CT

Assignee:

AMF Incorporated - White Plains NY

International Classification:

C02F 150
C02F 172
B01D 3918

US Classification:

210722

Abstract:

A filter media is provided which comprises an amount of particulate immobilized in a substantially inert porous matrix. A least a portion of the particulate surface has thereon a divalent metal peroxide. The metal peroxide is magnesium peroxide or calcium peroxide, preferably magnesium peroxide. The filter media is preferably used for oxidizing and removing soluble iron and manganese from an aqueous fluid. The filter may also be used for removing and inactivating microorganisms from fluids, e. g. aqueous fluids. Particulate filter aid having coated or adsorbed on the surface the aforementioned metal peroxide may be used as the particulate in the filter media, as well as the metal peroxide in particulate form.