Removal of chromium, chromate, molybdate and zinc

Details Removal of chromium, chromate, molybdate and zinc Removal of chromium, chromate, molybdate and zinc

1974-07-15

1976-08-03

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 38B, 210 37B, B01D 1502, C02B 142, C02B 156

Patent

active

039728102

ABSTRACT:
Trivalent chromium, hexavalent chromate, molybdate and zinc are removed from a fluid. The fluid is simultaneously treated with a weak base anion exchange resin and a weak acid cation exchange resin to remove the chromium, chromate, molybdate and/or zinc.

REFERENCES:
patent: 2733204 (1956-01-01), Costa
patent: 3111485 (1963-11-01), Kunin
patent: 3293175 (1966-12-01), Popper et al.
patent: 3414510 (1968-12-01), Oberhofer
patent: 3501401 (1970-03-01), Calmon
patent: 3553126 (1971-01-01), Oberhofer
patent: 3658470 (1972-04-01), Zievers et al.

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