Membrane separation process

Details Membrane separation process Membrane separation process

1991-07-22

1992-09-15

Sever, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210644, 210654, 21050027, B01D 6136

Patent

active

051475499

ABSTRACT:
Membrane separation process is improved by use, as a support membrane, of a polyacrylonitrile membrane the surface of which has been oxygen-plasma treated whereby at least a portion of the surface has been oxidized to --COOH groups.

REFERENCES:
patent: 3887499 (1975-06-01), Hodgdon
patent: 4880441 (1989-11-01), Kesting et al.

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