Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1989-10-23
1991-02-12
Sever, Frank
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210654, 21050037, B01D 6136
Patent
active
049921762
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: 4444571 (1984-04-01), Matson
patent: 4466202 (1984-08-01), Merten
patent: 4627859 (1986-12-01), Zupancic et al.
Kulason Robert A.
O'Loughlin James J.
Seutter Carl G.
Sever Frank
Texaco Inc.
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