Filter apparatus and method using belt filter medium

Details Filter apparatus and method using belt filter medium Filter apparatus and method using belt filter medium

1992-04-07

1994-03-08

Dawson, Robert A.

Liquid purification or separation

Processes

Separating

210227, 210231, 210387, 210791, 100198, B01D 3700

Patent

active

052924343

ABSTRACT:
A filter apparatus and method is disclosed for separating solid materials from liquid materials in a slurry fluid. The apparatus includes separable plate members that are pressed against each other to form a filter chamber. The plates have mating surfaces and hollow interior portions that create the chamber. A filter medium is placed between the mating surfaces before the plates are closed. The apparatus includes means for forcing wash fluids, liquids or gasses through the slurry to force the fluids from the slurry and to produce a dry filter cake of the solids. After the filtration has been completed, the plates are separated leaving the filter cake on the filter medium and the filter medium is advanced out of the filter chamber moving a clean filter medium between the open filter plates. Another filter operation them proceeds. The filter medium is cleaned outside of the filter apparatus and can be prepared for reuse.

REFERENCES:
patent: 3497063 (1970-02-01), Hirs
patent: 3499532 (1970-03-01), Sneider
patent: 4233157 (1980-11-01), Miller
patent: 4267060 (1981-05-01), Miller
patent: 4481108 (1984-11-01), Bratten
patent: 4664813 (1987-05-01), Schneider
patent: 5059318 (1991-10-01), Benesi
patent: 5128029 (1992-07-01), Herrmann
patent: 5133884 (1992-07-01), Carlsson et al.
patent: 5267060 (1992-05-01), Miller

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