Filtration method and apparatus having a filtrate collection cha

Details Filtration method and apparatus having a filtrate collection cha Filtration method and apparatus having a filtrate collection cha

1989-12-05

1992-12-22

Cintins, Ivars

Liquid purification or separation

Processes

Separating

210807, 210189, 210268, 210274, 210291, B01D 2446

Patent

active

051731940

ABSTRACT:
A filtration apparatus includes a vertical column of filter media contained in and defined by a liquid-impervious vessel. A filtrate collection chamber is fixedly and centrally located in the media column. The collection chamber has liquid impervious top and sidewalls and an open bottom, whereby liquid to be filtered and introduced through a feed pipe at the top of the media column passes downward through the media column past the collection chamber and then upward into the collection chamber, is removed through a filtrate collection pipe. The apparatus may include equipment for continuously washing and recycling the filter media, and auxiliary alternatives for increasing the efficiency of the apparatus. Also included is the novel method for practicing the invention, particularly with the novel apparatus.

REFERENCES:
patent: 4126546 (1978-11-01), Hjelmner et al.
patent: 4826609 (1989-05-01), Hensley

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