Composite membrane for the separation of water and method...

Details Composite membrane for the separation of water and method... Composite membrane for the separation of water and method...

B - Operations, Transporting

01

D

B01D 71/06 (2006.01) B01D 67/00 (2006.01) B01D 69/12 (2006.01)

Patent

CA 2680672

A composite membrane is provided for the separation of water with at least one separation layer (4) of cross-linked polyvinyl alcohol, with the separation layer (4) being subjected in a separate process step to a post--crosslinking operation with an acid or an acid-releasing compound and at least one dialdehyde. Furthermore, a method is proposed for the manufacture of such a composite membrane (1).

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