Removal of chromium, chromate, molybdate and zinc

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

1976-07-14

1977-11-08

Bascomb, Jr., Wilbur L.

Liquid purification or separation

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

Responsive to fluid flow

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

Patent

active

040574946

ABSTRACT:
Trivalent chromium, zinc, hexavalent chromate and molybdate can be removed from a fluid by contacting the fluid with an ion exchange resin bed comprising a mixture of a weak base anion exchange resin and a weak or strong acid cation exchange resin in hydrogen form to remove the metal values.

REFERENCES:
patent: 3458440 (1969-07-01), Schmidt
patent: 3501401 (1970-03-01), Calmon
patent: 3658470 (1972-04-01), Zievers et al.
patent: 3972810 (1976-08-01), Chopra

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