Method of dehydrating organic oxygenates

Details Method of dehydrating organic oxygenates Method of dehydrating organic oxygenates

1991-07-22

1995-10-10

Spear, Frank

Liquid purification or separation

Processes

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

210640, 21050037, B01D 6136

Patent

active

054568390

ABSTRACT:
Aqueous solutions of organic oxygenates, such as ethylene glycol may be dehydrated by pervaporation through a poly(vinyl pyridine) membrane which has been quaternized and cross-linked.

REFERENCES:
patent: 3723306 (1973-03-01), Bridgeford
patent: 3927242 (1975-12-01), Rembaum et al.
patent: 4035291 (1977-07-01), Chiang et al.
patent: 4865743 (1989-09-01), Ellinghurst et al.
patent: 4992176 (1991-02-01), Bartels

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