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

1990-06-04

1991-04-23

Sever, Frank

Liquid purification or separation

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Material

252 623R, B01D 6900

Patent

active

050097830

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: 4664669 (1987-05-01), Ohyabu et al.

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