System for removing iron and/or other chemically reducing substa

Details System for removing iron and/or other chemically reducing substa System for removing iron and/or other chemically reducing substa

1984-03-16

1985-08-13

Wyse, Thomas

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210756, 210763, 210794, 210912, C02F 164

Patent

active

045348677

ABSTRACT:
A system is provided for removing iron and/or other chemically reducing substances from potable water having a pH between 5 and 9. The system includes a tank for receiving the water which tank contains a bed of activated carbon. The untreated water is aerated prior to its communication with the activated carbon. All of the aerated water is allowed to flow through the bed and the activated carbon provides a catalytic action, whereby substantially all of the oxidation occurs throughout the bed of activated carbon and the use of chamical oxidizing agents is obviated. The tank provides a reaction site for oxidation in the catalyst, precipitation of the oxidized ions, and retention by filtration of the precipitated particles.

REFERENCES:
patent: 1990214 (1935-02-01), Zapffe
patent: 2144051 (1939-01-01), Frankforter
patent: 2237882 (1941-04-01), Lawlor et al.
patent: 2365729 (1944-12-01), Schumacher
patent: 2834466 (1958-05-01), Hament
patent: 3017347 (1962-01-01), Kratz
patent: 3118833 (1964-01-01), Reinhardt
patent: 3171800 (1965-03-01), Rice et al.
patent: 3222277 (1965-12-01), Joyce
patent: 3617562 (1971-11-01), Cywin et al.
patent: 3649532 (1972-03-01), McLean
patent: 4430228 (1984-02-01), Paterson

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