Membrane for separating an organic solvent from a water-organic

Details Membrane for separating an organic solvent from a water-organic Membrane for separating an organic solvent from a water-organic

1991-06-12

1992-12-22

Spear, Frank

Liquid purification or separation

Processes

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

21050035, B01D 6136

Patent

active

051731894

ABSTRACT:
A membrane for the separation of an organic solvent from a water-organic solvent mixture has a polymeric membrane of a copolymer consisting essentially of an .alpha., .beta.-unsaturated carbonyl compound as a main monomer. The .alpha., .beta.-unsaturated carbonyl compound includes an acrylic acid ester or a methacrylic acid ester. The polymeric membrane has a crosslinked structure. The polymeric membrane is carried on a support member in the form of a flat membrane, a pipe or a hollow fiber. The polymeric member includes particles therein. The polymeric membrane is sandwiched by the support members to form a composite-type separation membrane. The composite-type separation membrane is modulated.

REFERENCES:
patent: 3723306 (1973-03-01), Bridgeford
patent: 4085168 (1978-04-01), Milkovich et al.

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