Separation of sludge from liquid by piston-aided filtration

Details Separation of sludge from liquid by piston-aided filtration Separation of sludge from liquid by piston-aided filtration

1995-03-30

1999-11-09

Gerrity, Stephen F.

Presses

Methods

With separation from material of liquid expressed

100112, 100116, 100125, 100207, 100218, 100244, 100251, B30B 904

Patent

active

059793040

ABSTRACT:
An apparatus and a method using the apparatus are described for the separation by filtration of a solid phase and a liquid phase from a sludge. A pressure is exerted on the sludge with the aid of a piston in a filtration chamber having a filter. The filter is extracted from the chamber and the surface of the filter is swept using a scraper device. The invention can be used for the treatment of liquid manure.

REFERENCES:
patent: 1097157 (1914-05-01), Alvord
patent: 1293833 (1919-02-01), McGary
patent: 4718337 (1988-01-01), Wiederkehr
patent: 5146848 (1992-09-01), Dufour
patent: 5277109 (1994-01-01), Muench

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