Membrane process

C - Chemistry – Metallurgy – 08 – J

Patent

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C08J 7/12 (2006.01) B01D 61/36 (2006.01) B01D 69/12 (2006.01) B01D 71/82 (2006.01) B29C 71/00 (2006.01) C07C 7/144 (2006.01) C07C 29/76 (2006.01)

Patent

CA 2051497

NOVEL MEMBRANE PROCESS D#79,466-F ABSTRACT OF THE INVENTION Isopropanol may be recovered from isopropanol/water charge by pervaporation across a membrane of polyethylene imine which has been cross-linked with 1,4- dibromobutane.

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