Regeneration of deep bed condensate polishers

Details Regeneration of deep bed condensate polishers Regeneration of deep bed condensate polishers

1992-02-04

1993-05-18

Schofer, Joseph L.

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

Synthetic resins

Ion-exchange polymer or process of preparing

210278, 210675, 210676, 210678, B01J 4900

Patent

active

052122050

ABSTRACT:
A method for regenerating the exhausted anion and cation exchange resin in a mixed bed demineralizer which utilizes an interface tank to increase the volume of interface resin that is physically isolated to increase separation efficiencies. An anticipatory interface detection sample flow of cation resin is directed from an intermediate section of the separation vessel through a sample line into the interface tank simultaneously with the transfer of cation resin from the bottom of the separation vessel into a cation regeneration vessel. Upon detection of an interface by the entry of anion resin, or inert material if present, into the sample line, the transfer of cation resin into the cation regeneration tank is terminated. The remaining cation resin from the separation vessel is transferred into the interface tank until an interface is detected by the entry of anion resin, or inert material if present, into the cation transfer line. Upon regeneration of the anion resin and cation, the anion resin is transferred to the cation regeneration vessel and the material in the interface tank is transferred back into the separation vessel.

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