Chromate ion removal from aqueous solutions

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

1980-02-04

1982-06-15

Bashore, S. Leon

Liquid purification or separation

Processes

Ion exchange or selective sorption

210670, 210684, 210686, 521 26, C02F 142

Patent

active

043350003

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: 3501401 (1970-03-01), Calman
patent: 3835001 (1974-09-01), O'Brien
patent: 3972810 (1976-08-01), Chopra
patent: 4036751 (1977-07-01), Ovita et al.

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