B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/13.1, 117/88
B01D 61/36 (2006.01) B01D 65/10 (2006.01) B01D 67/00 (2006.01) B01D 69/14 (2006.01)
Patent
CA 2009251
ABSTRACT OF THE DISCLOSURE A distillation separation membrane for use in desalination of sea water or brine is provided. The membrane has a hydrophobic separation coating on the surface of a porous support member. A method is provided wherein such a coating is formed dynamically on the porous support member by subjecting the surface of the porous support member to a membrane forming component for a period of time sufficient to form a separation coating capable of distillation separation of salt from water. A method of desalinating sea water or brine by means of membrane distillation is provided using a separation membrane having an electro-conductive porous support member and supplying electrical current to the porous support member to heat the brine or sea water in contact with the membrane and cause vaporization of the brine or sea water, the vapour thus created passing through the distillation separation membrane for subsequent liquefication.
Bereskin & Parr
World Industrial Membrane Corporation
LandOfFree
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