Dehydration of glycols

Details Dehydration of glycols Dehydration of glycols

1988-08-23

1990-07-17

Jones, W. Gary

Liquid purification or separation

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Supported, shaped or superimposed formed mediums

21050041, 21050042, 428220, 4283199, 428419, 428524, B01D 6900

Patent

active

049419765

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

REFERENCES:
patent: 3556305 (1971-01-01), Shorr
patent: 4046843 (1977-09-01), Sano et al.
patent: 4385094 (1983-05-01), Tanaka et al.
patent: 4619767 (1986-10-01), Kamiyama et al.
patent: 4737325 (1988-04-01), Kamiyama et al.
patent: 4755299 (1988-07-01), Bruschke
patent: 4802988 (1989-02-01), Bartels et al.
patent: 4834886 (1989-05-01), Cadotte
"Studies on Syntheses and Permeability of Special Polymer Membranes", Uragami, Tadashi, Wada, Tamaki, Sugihara, Mizuko, Angew. Makromol. Chem. 138, 173-83 (1986).

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