System for treating fluids

Details System for treating fluids System for treating fluids

1984-12-03

1987-05-26

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210670, 210793, 210 98, 210105, 210108, 210140, B01J 4900

Patent

active

046684026

ABSTRACT:
A process and system are provided for treating fluid. In one illustrative embodiment, the treatment comprises the recharging of a resin bed in a water softener. A flow switch and accumulating timer are actuated when a selected flow rate is detected. The accumulating timer is set to a selected elapsed time. A chronological timer is also provided and is set for a selected time of day to recharge the resin bed. A reserve brine capacity is provided by delivering a selected amount of water to a brine tank at predetermined elapsed time intervals of the accumulating timer. The resin bed is recharged when both a selected elapsed time of the accumulating timer has occurred and it is the selected time of day.

REFERENCES:
patent: 2240171 (1941-04-01), Brice et al.
patent: 4426294 (1984-01-01), Seal
patent: 4470911 (1984-09-01), Reinke
patent: 4490249 (1984-12-01), Seal
patent: 4536845 (1985-08-01), DeVale et al.

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