Method of ion exchange regeneration

Details Method of ion exchange regeneration Method of ion exchange regeneration

1981-07-01

1983-04-12

Cintins, Ivars C.

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

Synthetic resins

Ion-exchange polymer or process of preparing

210677, B01J 4900

Patent

active

043798551

ABSTRACT:
A stratified bed of ion exchange resins is regenerated by countercurrent or upflow regeneration. Expansion of the bed is prevented by returning used regenerant solution to the top of the bed and pumping the returned regenerant solution downwardly through the layer of resin at the top of the bed. Recycling of the used regenerant solution also regenerates the upper layer of resin.

REFERENCES:
patent: 3240699 (1966-03-01), Duff et al.
patent: 3531401 (1970-09-01), Crits
patent: 3617558 (1971-11-01), Jones
patent: 3655587 (1972-04-01), Bouchard et al.
patent: 3711401 (1973-01-01), Hamilton et al.

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