Cross-linked separation membrane and process for pervaporation

Details Cross-linked separation membrane and process for pervaporation Cross-linked separation membrane and process for pervaporation

1987-08-25

1991-10-22

Bascomb, Jr., Wilbur

Liquid purification or separation

Filter

Material

21050042, 21050043, 210640, 159DIG27, 159DIG28, 203 14, 203 15, 203 16, 203 18, 203 19, 568916, B01D 300, B01D 1300

Patent

active

050593277

ABSTRACT:
A preparation membrane for pervaporation which comprises a crosslinked reaction mixture of a polyvinyl alcohol or polyvinyl alcohol copolymer and a polystyrene sulfonic acid or polystyrene sulfonic acid copolymer. A method for separating a mixture of water and an organic compound by using the membrane is also disclosed.

REFERENCES:
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patent: 4432875 (1984-02-01), Wrasidlo et al.
patent: 4619767 (1986-10-01), Kamiyama et al.
patent: 4737325 (1988-04-01), Kamiyama et al.
patent: 4755299 (1988-07-01), Bruschke
patent: 4775474 (1988-10-01), Chau et al.

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