Method for regenerating anion exchange resins in bicarbonate for

Details Method for regenerating anion exchange resins in bicarbonate for Method for regenerating anion exchange resins in bicarbonate for

1979-11-26

1981-11-10

Hamrock, William F.

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

Synthetic resins

Ion-exchange polymer or process of preparing

210673, B01J 4900

Patent

active

042999227

ABSTRACT:
Charged anion exchange resins, which are used for the removal of strong acid ions from water, are regenerated to their bicarbonate form by contacting them with an aqueous treating medium containing calcium carbonate and carbon dioxide.

REFERENCES:
patent: 3429835 (1969-02-01), Odlond
patent: 3691109 (1972-09-01), Larsen
patent: 4172185 (1979-10-01), Patherom
patent: 4202737 (1980-05-01), Shimizu
patent: 4230807 (1980-10-01), Evans
"Desalination . . . Exchange"--A. C. Epstein, M. B. Yeligar, Ion Exchange and Membranes, 1973, vol. 1, pp. 159-170.

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