Ion exchange resin cleaning method

Details Ion exchange resin cleaning method Ion exchange resin cleaning method

1995-05-17

1999-01-12

Ludlow, Jan

Cleaning and liquid contact with solids

Processes

With work or work parts movable during treatment

134 19, 134 251, 134 28, 134 29, 134 30, 134 34, 134 36, 210670, 210675, 210677, B08B 308, B01J 4900

Patent

active

058581197

ABSTRACT:
A method for cleaning ion exchange resins. The ion exchange resin is circulated by a circulating medium within a circulation, system. The concentration of ions within a circulation medium is periodically changed at a selected point in the circulation system to change the amount of solution within the ion exchange for a period of time such that the amount of solution within the ion exchange resin fluctuates as the ion exchange resin circulates within the circulating system. The degree of cleaning of the resin an the quantity of chemicals required are both improved. Additionally, the ion exchange resin may be agitated for further cleaning.

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patent: 4828701 (1989-05-01), Cussler
patent: 5267280 (1993-11-01), Duguesne
patent: 5297683 (1994-03-01), Stengel, III

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