Precoat filter assembly

Details Precoat filter assembly Precoat filter assembly

1988-01-26

1990-02-27

Fisher, Richard V.

Liquid purification or separation

With precoat adding or applying means

2103232, 210346, 210418, 210455, 210456, 210487, 21049701, B01D 2938, B01D 2510

Patent

active

049043803

ABSTRACT:
A precoat filter element for a precoat filter unit comprises a flow distributor and flow straightener. The flow distributor surrounds a filter septum and has openings through which liquid may flow. The proportion between the area of openings and the area of a wall of the flow distributor may vary along the length of the septum to distribute flow over the length of the filter septum in a predetermined manner. A flow straightener is provided at the base of the septum to reduce turbulence during precoat and filtration operations, and to reduce the occurrence of large flocs in precoat slurries during coating operations.

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Pall Corporation, Scientific & Laboratory Services Dept., SLS Report No. 1868, Nov. 19, 1986.
Pall Corporation, Scientific & Laboratory Services Dept., SLS Report No. 1977, Mar. 23, 1987.

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