Membrane separation process

Details Membrane separation process Membrane separation process

1991-06-25

1992-09-01

Sever, Frank

Liquid purification or separation

Processes

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

210644, 210654, 21050027, B01D 6136

Patent

active

051436205

ABSTRACT:
Membrane separation process is improved by use, as a support membrane, of (i) a polyacrylonitrile membrane on which at least a portion of the surface --CN groups have been hydrolyzed --COOH groups or (ii) a membrane formed of polyacrylonitrile and polyacrylic acid.

REFERENCES:
patent: 4720345 (1988-01-01), Linder et al.

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