Water purification method

Details Water purification method Water purification method

1979-11-26

1981-04-28

Wyse, Thomas G.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210754, 210763, C02F 176

Patent

active

042644518

ABSTRACT:
Hydrogen sulfide is effectively removed from potable water by the combined action of first chlorinating the water and then passing the chlorinated water through a bed of activated carbon. Chlorine is added in large doses to potable water containing dissolved hydrogen sulfide to convert substantially 90% of the hydrogen sulfide to sulfates. The chlorinated water containing residual hydrogen sulfide is then passed through a bed of activated carbon. Chemisorbed nascent oxygen in conjunction with the activated carbon catalytically affect breakdown of the remaining sulfide compounds into elemental sulfur.

REFERENCES:
patent: 3017347 (1962-01-01), Kratz
patent: 3192156 (1965-06-01), Joyce
patent: 3276186 (1966-10-01), Hronas et al.
patent: 3867509 (1975-02-01), Geiger et al.
patent: 4077879 (1978-03-01), Smeck
Van Kleeck, "The Functions of Sewage Chlorination," Wastes Engineering, Jun. 1956, Reprint.

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