Regenerative diatomaceous earth filter

Details Regenerative diatomaceous earth filter Regenerative diatomaceous earth filter

1989-01-13

1990-07-31

Cintins, Ivars C.

Liquid purification or separation

Processes

Separating

210791, 210193, 210383, 210398, 210412, 210486, B01D 3702

Patent

active

049448870

ABSTRACT:
A fluid filter is disclosed which includes a casing defining a fluid chamber with inlet and outlet apertures to and from the chamber to respectively conduct unfiltered fluid to the chamber and filtered fluid from the chamber. A flow path is defined within the chamber and a filter is interposed in the flow path substantially normal to the direction of flow of the fluid in the chamber. The filter includes a screen having a covering of a filter aid, such as diatomaceous earth, on an upstream side of the screen. The filter is regenerated by reciprocating the screen relative to the casing in a path corresponding to the path defined by the direction of flow.

REFERENCES:
patent: 2301430 (1942-11-01), Malanowski
patent: 2460416 (1945-09-01), Goodrich
patent: 2874848 (1959-02-01), Cannon et al.
patent: 3195729 (1965-07-01), Kracklauer et al.
patent: 3202284 (1965-08-01), Wade
patent: 3212643 (1965-10-01), Schmidt et al.
patent: 3522886 (1970-08-01), Edmiston et al.
patent: 3774772 (1973-11-01), Yeths
patent: 4277337 (1981-07-01), Zdansky

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