Membrane separation process

Details Membrane separation process Membrane separation process

1992-07-13

1994-01-25

Sever, Frank

Liquid purification or separation

Processes

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

21050037, 21050043, B01D 7142

Patent

active

052813371

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 to --COOH groups or (ii) a membrane formed of polyacrylonitrile and polyacrylic acid.

REFERENCES:
patent: 5087367 (1972-02-01), Tsuyumoto et al.

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