Apparatus for and method of recovering water used to backwash an

Details Apparatus for and method of recovering water used to backwash an Apparatus for and method of recovering water used to backwash an

1976-10-01

1977-06-07

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 82, 210265, 210275, B01D 4102

Patent

active

040282414

ABSTRACT:
A system for recovering chemically-treated water used to backwash and rinse a manganese oxide zeolite filter. The backwash and rinse waters are placed in a recovery basin, preferably with a coagulating agent, wherein the waters are agitated and then allowed to settle and thereby to separate from the water impurities removed from the filter. The backwash and rinse water so purified is then returned to the filter inlet for a normal service filtering pass through the filter. A number of filters are preferably serviced by each recovery basin, and automatic control means for the system are also disclosed.

REFERENCES:
patent: 3171800 (1965-03-01), Rice et al.
patent: 3260366 (1966-07-01), Duff et al.
patent: 3792773 (1974-02-01), Ross

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