Regeneration of ion exchange resins

Details Regeneration of ion exchange resins Regeneration of ion exchange resins

C - Chemistry, Metallurgy

02

F

362/37, 362/41

C02F 1/42 (2006.01) B01J 39/00 (2006.01) B01J 49/00 (2006.01) B01J 49/02 (2006.01)

Patent

CA 1105157

ABSTRACT OF THE DISCLOSURE Problems encountered with sodium leakage after regenera- tion 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.

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