Method of producing a membrane and a membrane for microfiltratio

Details Method of producing a membrane and a membrane for microfiltratio Method of producing a membrane and a membrane for microfiltratio

1991-01-18

1992-04-07

Spear, Frank

Liquid purification or separation

With precoat adding or applying means

2104971, 21050025, 210490, B01D 6900

Patent

active

051025396

ABSTRACT:
A method of microfiltration, ultrafiltration and pervaporation, which also can be utilized for reverse osmosis of suspensions and emulsions, and for gas separation including providing a tubular membrane wound of wire and having a plurality of windings, the distance between windings establishing filter pores, passing a desired material between the windings to filter the material to a desired pore size and exerting a desired axial pressure on the membrane windings to adjust the distance between windings and the pore size to a predetermined amount.

REFERENCES:
patent: 3462362 (1969-08-01), Kollsman
patent: 4199454 (1980-04-01), Sartore

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