Dewatering of concentrated aqueous solutions by pervaporation

Details Dewatering of concentrated aqueous solutions by pervaporation Dewatering of concentrated aqueous solutions by pervaporation

1991-06-19

1993-01-26

Bascomb, Jr., Wilbur

Liquid purification or separation

Processes

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

210640, 21050027, 21050036, 159DIG27, 203 18, 568868, B01D 1300, C07C 2976, C07C 3118

Patent

active

051820226

ABSTRACT:
Charge aqueous solution containing 85 w % ethylene glycol is concentrated by pervaporation across a sulfonated polyethylene membrane to yield retentate containing 95 w % ethylene glycol.

REFERENCES:
patent: 3750735 (1973-08-01), Chiang et al.
patent: 4067805 (1978-01-01), Chiang et al.
patent: 4526948 (1985-07-01), Resnick
patent: 4690766 (1987-09-01), Linder et al.
patent: 4728429 (1988-03-01), Cabasso et al.

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