Separation of compositions containing water and organic oxygenat

Details Separation of compositions containing water and organic oxygenat Separation of compositions containing water and organic oxygenat

1990-01-02

1990-11-20

Sever, Frank

Liquid purification or separation

Processes

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

55 16, B01D 6136

Patent

active

049716999

ABSTRACT:
Water is separated from aqueous mixtures of organic oxygenates such as isopropanol by pervaporation through a non-porous separating membrane of a blend of polyvinyl alcohol and a polyacrylic acid mounted on a polysulfone porous support layer.

REFERENCES:
patent: 4767422 (1988-08-01), Bikson et al.
patent: 4839203 (1989-06-01), Davis et al.

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