Apparatus and method for the regeneration of an ion exchanger in

Details Apparatus and method for the regeneration of an ion exchanger in Apparatus and method for the regeneration of an ion exchanger in

1993-11-03

1995-10-24

Nessler, Cynthia L.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210678, 210108, 210190, C02F 142

Patent

active

054607248

ABSTRACT:
In a regenerating ion exchanger installation with a resin container, the water, acid and/or alkaline solution pipe conduits inlets lead into a common pump inlet conduit, whereby each inlet can be individually decoupled from the inlet conduit of the pump by means of a specially controllable cut-off valve. The pump is a compressed air-diaphragm pump and feeds directly into a fluid conduit ending at either the upper or the lower side of the resin container and exhibits a counting device for stroke counting, whereby a control device is provided connected to the counting device for the control of the volume flow of water out of the water inlet and acid or alkaline solution out of the acid or alkaline solution inlet via the controllable cut-off valves based on the corresponding stroke count of the compressed air-diaphragm pump. In this fashion a precise admeasurement and mixing of the regenerating agent solution introduced into the resin container can be realized and no special safety devices are needed for the pump.

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patent: 5108616 (1992-04-01), Kunz

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