Regeneration of ion exchange resins

Details Regeneration of ion exchange resins Regeneration of ion exchange resins

1978-06-05

1979-04-24

Wyse, Thomas G.

Liquid purification or separation

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

Responsive to fluid flow

210 37R, 210 38A, B01J 108, C02B 176

Patent

active

041510798

ABSTRACT:
Problems encountered with sodium leakage after regeneration of mixed bed and ion exchange units utilized to purify boiler feed waters can be reduced or eliminated by using as the regenerant for the anion exchange resin an aqueous solution of potassium hydroxide. Likewise, in the regeneration of cation condensate polishing units utilized to purify boiler feed waters, sodium leakage can be reduced or eliminated by utilizing a potassium salt as the regenerant.
Additionally, potassium salts of various inorganic reducing agents can also be utilized to remove iron from ion exchange systems operated in the above manner.

REFERENCES:
patent: 2855363 (1958-10-01), Kittredge
patent: 3139401 (1964-06-01), Hach
patent: 3385787 (1968-05-01), Crits et al.
patent: 3692670 (1972-09-01), Burns et al.
patent: 4039443 (1977-08-01), Tahara et al.
patent: 4116860 (1978-09-01), Kunin

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