Chromate ion removal from aqueous solutions

Details Chromate ion removal from aqueous solutions Chromate ion removal from aqueous solutions

1982-02-01

1985-06-25

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

C08D 520

Patent

active

045254834

ABSTRACT:
Chromate ions present in aqueous solutions, e.g. cooling tower blowdown water or liquors obtained from the electrolysis of aqueous sodium chloride solutions, are substantially completely removed by passing the solution through an intimate mixture of an anion exchange resin in the chloride form and a weak cation exchange resin in a conditioned hydrogen form.

REFERENCES:
patent: 2461505 (1949-02-01), Daniel
patent: 3041292 (1962-06-01), Hatch
patent: 3501401 (1970-03-01), Colmon
patent: 3835001 (1974-09-01), O'Brien
patent: 3972810 (1976-08-01), Chopra
patent: 4036751 (1977-07-01), Orita et al.

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