Iron removal system and method

Details Iron removal system and method Iron removal system and method

1991-03-21

1992-03-17

Silverman, Stanley S.

Liquid purification or separation

With means to add treating material

Plural distinct separators

210209, 210259, 210295, 210722, C02F 164

Patent

active

050965808

ABSTRACT:
A system and method removes soluble iron from potable water by oxidation. It includes a pressure tank, an oxygen induction device and a filtration tank. Untreated water flows under pressure into the pressure tank, where the water is held for delivery to service. Upon demand, the untreated water leaves the pressure tank and flows into the oxygen induction device. The oxygen induction device mixes air with the untreated water using a venturi apparatus. This aeration causes an oxidation reaction to occur so that the soluble iron in the untreated water transforms into insoluble iron and precipitates. The aerated water then flows into a filtration tank where the oxidized iron precipitates are filtered out by a filtration media mix. Purified water is provided to service by the filtration tank. Backwashing of the filtration media is also provided to rejuvenate the media for prolonged use.

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patent: 4992181 (1991-02-01), Siebert

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