Membrane separation process

Details Membrane separation process Membrane separation process

B - Operations, Transporting

01

D

B01D 61/36 (2006.01) B01D 69/12 (2006.01) C07C 29/76 (2006.01)

Patent

CA 2073420

MEMBRANE SEPARATION PROCESS D#79.660-F ABSTRACT OF THE INVENTIQN Aqueous solutions of organic oxygenates, typified by concentrated aqueous solutions of ethanol or isopropanol, are dewaterd by pervaporation through a polyimine membrane which has been interfacially cross-linked with a polyisocyanate or a poly(carbonyl chloride). CGS79663.PTN OCTOBER 21, 1991

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