Membrane suitable for the dehydration of organic oxygenates

Details Membrane suitable for the dehydration of organic oxygenates Membrane suitable for the dehydration of organic oxygenates

1990-10-11

1993-03-09

Spear, Frank

Liquid purification or separation

Processes

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

210654, 21050037, B01D 6136

Patent

active

051924455

ABSTRACT:
Concentration of aqueous solutions of isopropanol may be effected by a composite membrane including a dibromobutane cross-linked poly(4-vinyl pyridine) bonded to a porous layer of polyacrylonitrile on a polyester backing.

REFERENCES:
patent: 3723306 (1973-03-01), Bridgeford
patent: 4069365 (1978-01-01), Rembaum
patent: 4102827 (1978-07-01), Rembaum et al.
patent: 4116889 (1978-09-01), Chlanda et al.
patent: 4230463 (1980-10-01), Henis et al.
patent: 4992176 (1991-02-01), Bartels

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