Small volume tangential flow filtration apparatus

Details Small volume tangential flow filtration apparatus Small volume tangential flow filtration apparatus

1987-06-11

1988-08-02

Spear, Frank

Liquid purification or separation

Casing divided by membrane into sections having inlet

Planar membrane

2104161, B01C 1300

Patent

active

047612304

ABSTRACT:
A filter system particularly useful with small sample volumes includes first and second housing sections with a flow channel extending therebetween. A membrane filter forms one boundary of the flow channel. A pair of reservoirs, one for feed and the other for permeate collection, are integrally formed with the first housing section. A fluid communication path is established from the first section to the second section and then through means of a deformable chamber to the flow channel. The deformable chamber is adjacent to a rigid surface that is integral with one of the housing sections and in this manner is adapted to pump fluid through the system when interfacing with a pump.

REFERENCES:
patent: 3085687 (1963-04-01), Erbach
patent: 3788474 (1974-01-01), Granger et al.

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