Backwash filter system

Details Backwash filter system Backwash filter system

1996-05-31

1998-08-11

Walker, W. L.

Liquid purification or separation

Processes

Separating

210233, 210411, 210423, 210425, 210427, B01D 2448

Patent

active

057923736

ABSTRACT:
A backwash filter system includes a filter array comprising a plurality of filter units each having a housing, a filter element unit and a process liquid inlet port and a filtered liquid outlet port connected respectively with process liquid inlet and filtered liquid outlet sides of the filter element unit for filtering process liquid. A process liquid inlet header connects to the process liquid inlet ports of the filter units. A filtered liquid outlet header connects to the filtered liquid outlet ports of the filter units. A first valve unit on the process liquid inlet header is switchable for connecting same alternatively to a process liquid source and a backwash liquid drain. The filtered liquid outlet header can communicate with a filtered liquid receiver.

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Ronningen-Petter Reactogard II Pressure Filtration Systems brochure, Section E8-11, Dec. 1974 (8 pages).
Ronningen-Petter Liquid Filters, Bulletin RP-1 Nov. 1984 (20 pages).

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