Apparatus for removal of iron from drinking water

Details Apparatus for removal of iron from drinking water Apparatus for removal of iron from drinking water

1991-06-06

1993-01-19

Cintins, Ivars

Liquid purification or separation

Particulate material type separator, e.g., ion exchange or...

Removable cartridge or hand-manipulated container

210484, 21049701, B01D 2702

Patent

active

051804913

ABSTRACT:
An iron removal system for a drinking water supply includes a synergistic combination of an oxidation/filtration unit and an activated carbon filter unit. The oxidation/filtration unit utilizes a manganese-treated zeolite in the form of normally undesirable fines. The problems of high pressure drop and difficult handling of zeolites fines are eliminated by utilizing a more porous radial tubular flow construction in which the fines are confined in a packed bed. The filter cartridge is made for disposal when exhausted. The series connected activated carbon filter continues to remove iron from the outlet of the zeolite filter long after the capacity for iron removal of the latter has exceeded desirable limits. The combined filter system is less expensive and easier to operate and maintain than a comparable regenerable prior art oxidation/filtration system for iron removal.

REFERENCES:
patent: 4032457 (1977-06-01), Matchett
patent: 4430228 (1984-02-01), Paterson

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