Membrane process for separation of organic liquids

Details Membrane process for separation of organic liquids Membrane process for separation of organic liquids

1989-10-16

1990-10-02

Sever, Frank

Liquid purification or separation

Processes

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

55 16, 55158, 21050035, B01D 6136

Patent

active

049605194

ABSTRACT:
A mixture of alcohol, such as methanol, and organic oxygenate, such as dimethyl carbonate, is treated to recover product of decreased methanol content by pervaporation across a composite membrane of a polyvinyl alcohol and a polyacrylic acid on a polyacrylonitrile support layer.

REFERENCES:
patent: 4082659 (1978-04-01), Heinze et al.
patent: 4188418 (1980-02-01), Livingston

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