Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1979-02-28
1983-07-26
Spitzer, Robert H.
Liquid purification or separation
Processes
Ion exchange or selective sorption
210677, 210686, 210695, 210777, B01D 1504
Patent
active
043953352
ABSTRACT:
A method of reproduction of a filter demineralizer for a cleanup of a condensate backwashes the filter demineralizer to separate ion-exchange resin therefrom. Backwash used for backwashing, and including the ion-exchange resin, is recirculated in a course including a crud removal apparatus to remove the crud thereby providing reproduced ion-exchange resin. On the filter demineralizer from which the ion-exchange resin has been removed, New ion-exchange resin is precoated to form a new ion-exchange resin layer, and then the reproduced ion-exchange resin is deposited on the new ion-exchange resin layer by passing the backwash through the new ion-exchange resin layer.
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Hitachi , Ltd.
Spitzer Robert H.
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