Method for regeneration of weak acid cation exchange resin

Details Method for regeneration of weak acid cation exchange resin Method for regeneration of weak acid cation exchange resin

1976-06-21

1978-01-31

Spear, Jr., Frank A.

Liquid purification or separation

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

Responsive to fluid flow

260 22R, B01D 1506

Patent

active

040714462

ABSTRACT:
A composition for regenerating weak acid cation exchange resin comprising about 70-80 weight percent alkali metal chloride, about 5-15 weight percent alkali metal carbonate, and the balance an alkali metal chelating polycarboxylate and a method of regeneration comprising contacting the resin with a solution of the composition are disclosed.

REFERENCES:
patent: 3454503 (1969-07-01), Blankenhorn
patent: 3629144 (1971-12-01), Hahn
patent: 3882018 (1975-05-01), Depree
patent: 3887498 (1975-06-01), Kuhajek et al.

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