Filter media, method for oxidizing and removing soluble iron, me

Details Filter media, method for oxidizing and removing soluble iron, me Filter media, method for oxidizing and removing soluble iron, me

1981-04-28

1982-11-30

Therkorn, Ernest G.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210759, 210764, 210501, 210504, 210505, C02F 150, C02F 172, B01D 3918

Patent

active

043614868

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.

REFERENCES:
patent: 850606 (1907-04-01), Schroeder
patent: 975405 (1910-11-01), Eile
patent: 1253840 (1918-01-01), Kobelt
patent: 4007113 (1977-02-01), Ostreicher
patent: 4007114 (1977-02-01), Ostreicher
patent: 4293426 (1981-10-01), Gago

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