Dehydration of glycols

Details Dehydration of glycols Dehydration of glycols

1987-09-17

1989-02-07

Spear, Frank

Liquid purification or separation

Processes

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

210651, 210654, B01D 1500, B01D 1300

Patent

active

048029882

ABSTRACT:
Concentration of aqueous solutions of ethylene glycol may be effected by a composite membrane including a glutaraldehyde--crosslined polyvinyl alcohol bonded to a porous layer of polysulfone on a polyester backing.

REFERENCES:
patent: 3556305 (1971-01-01), Shorr
patent: 4073733 (1978-02-01), Yamauchi et al.
patent: 4199445 (1980-04-01), Chiang et al.
patent: 4262067 (1981-04-01), Philipp et al.
patent: 4269713 (1981-05-01), Yamashita et al.
patent: 4385094 (1983-05-01), Tanaka et al.
patent: 4670146 (1987-06-01), Inoue et al.
patent: 4705545 (1987-11-01), Polak et al.

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