Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1975-07-18
1976-08-17
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
C02B 176
Patent
active
039752674
ABSTRACT:
A method for producing treated liquids by utilizing a treating material such as an ion exchange resin or adsorbent resin, said liquid to be treated being passed through a zone containing said treating material; when said ion treating material is exhausted regenerating said treating material in said zone by passing therethrough a liquid regeneration solution (in a direction opposite the flow of liquid to be treated); said zone having a pressure of at least 10 pounds; and regeneration solution being added in increasingly concentrated amounts in at least two steps and preferably three steps or more.
REFERENCES:
patent: 2891007 (1959-06-01), Caskey et al.
patent: 3658470 (1972-04-01), Zievers et al.
patent: 3687843 (1972-08-01), Emmett
patent: 3691109 (1972-09-01), Larsen
Cintins Ivars
Hart Charles N.
Wendel Henry H.
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