Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1990-12-11
1991-10-29
Silverman, Stanley S.
Liquid purification or separation
Processes
Ion exchange or selective sorption
210742, 210140, 210269, C02F 142, B01D 2448
Patent
active
050613723
ABSTRACT:
A water treatment system is provided including a service step, a regenerating step and a rinse step. The service step includes introducing water to be treated into the inlet, through a treatment medium and out the outlet to a service location. If a prolonged period of idleness is determined automatically, a rinse step is automatically provided by which an amount of water to be treated is introduced into the inlet, through the treatment medium and out of the outlet to drain.
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Culligan International Company
Nessler Cynthia L.
Silverman Stanley S.
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