Gas separation by semi-permeable membranes

Details Gas separation by semi-permeable membranes Gas separation by semi-permeable membranes

C - Chemistry, Metallurgy

01

B

183/2, 23/326, 1

C01B 33/027 (2006.01) B01D 53/22 (2006.01) B01D 69/12 (2006.01) B01D 71/68 (2006.01) C01B 3/50 (2006.01) C01B 7/00 (2006.01) C01B 33/029 (2006.01) C01B 33/03 (2006.01) C01B 33/035 (2006.01) C01B 33/04 (2006.01) C01B 33/107 (2006.01) C30B 25/02 (2006.01) C30B 28/14 (2006.01) C30B 29/06 (2006.01)

Patent

CA 2025612

A method is disclosed for separating gaseous silicon compounds from hydrogen and/or hydracids. Specifically, the method comprises the utilization of semi-permeable membranes for such gaseous separation. Particularly preferred is a composite membrane comprised of a coating separation layer of sulfonated polysulfone and a support layer of polysulfone. Mixtures of hydrogen and silane are particularly suitable for being separated by means of composite membrane separation.

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