Spiral filtration module having bypass prevention flange

Details Spiral filtration module having bypass prevention flange Spiral filtration module having bypass prevention flange

1993-10-12

1995-11-28

Dawson, Robert A.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

210435, 210450, B01D 2708

Patent

active

054704685

ABSTRACT:
A membrane filtration module is provided incorporating a seal assembly to seal the annular space or bypass channel existing between the outer diameter of the filtration cartridge and the inner diameter of the housing in which it is disposed. The seal assembly prevents a feed stream from entering the bypass channel, and includes a pair of seals each having a flexible gasket and a sleeve extending perpendicularly therefrom, the sleeve being adapted to be positioned directly on the cartridge. This positioning prevents the feed stream from ever coming into contact with the housing.

REFERENCES:
patent: 4301013 (1981-11-01), Setti et al.
patent: 4966699 (1990-10-01), Sasaki et al.
patent: 4988445 (1991-01-01), Fulk, Jr.
patent: 5128037 (1992-07-01), Pearl et al.
patent: 5192437 (1993-03-01), Chang et al.

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