Method for removing organic foulants from anion exchange resin

Details Method for removing organic foulants from anion exchange resin Method for removing organic foulants from anion exchange resin

1987-02-13

1992-06-23

Page, Thurman K.

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

Synthetic resins

Ion-exchange polymer or process of preparing

210670, C08J 520, B01J 4900

Patent

active

051243628

ABSTRACT:
A method for removing organic foulants such as organic sulfonates from an anion exchange resin comprises treating the anion exchange resin at an elevated temperature with a defouling solution containing at least 6% ammonium sulfate (wt/wt sulfate). The method is useful for removing organic foulants from the anion exchange resin used for polishing condensate water in power plants.

REFERENCES:
patent: 4511675 (1985-04-01), Auerswald
patent: 4511676 (1985-04-01), Plichgott et al.
patent: 4652352 (1987-03-01), Saieva
Demineralization By Ion Exchanger In Water Treatment And Chemical Processing Of Other Liquids, S. Applebaum, Academic Press, N.Y. and London (1968).

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