Process for desalting an aqueous caustic solution

Details Process for desalting an aqueous caustic solution Process for desalting an aqueous caustic solution

1978-09-22

1980-11-25

Cintins, Ivars C.

Liquid purification or separation

Processes

Ion exchange or selective sorption

423181, C02F 142

Patent

active

042357179

ABSTRACT:
Ion retardation resins particularly useful for desalting caustic solutions are prepared by employing ion exchange resins consisting essentially of a mixture of a reticular, insoluble, cross-linked styrene/divinylbenzene copolymer with an entrapped non-leachable polymer of acrylic acid contained therein and where the amount of carboxylic acid groups on the polyacrylic acid are in substantial excess over the amount needed to react with all the quaternary ammonium groups which are nuclear substituted on the styrene copolymer chains.

REFERENCES:
patent: 3041292 (1962-06-01), Hatch
patent: 4119508 (1978-10-01), Yokota et al.
patent: 4150205 (1979-04-01), Wheaton
patent: 4154801 (1979-05-01), Wheaton

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