Oil dehydrator

Details Oil dehydrator Oil dehydrator

C - Chemistry, Metallurgy

10

G

C10G 33/00 (2006.01) B01D 61/36 (2006.01) B01D 63/00 (2006.01) B01D 63/02 (2006.01) B01D 63/06 (2006.01) B01D 63/08 (2006.01) B01D 63/10 (2006.01) C07C 7/144 (2006.01) C10G 31/11 (2006.01) C10M 175/06 (2006.01)

Patent

CA 2458957

A method and apparatus for the removal of free, emulsified, or dissolved water from liquids of low volatility, such as oil, is shown. The liquid of low volatility is removed by contacting the fluid stream of concern with one side of a semi-permeable membrane. The membrane divides a separation chamber into a feed side into which the stream of fluid is fed, and a permeate side from which the water is removed. The permeate side of the chamber is maintained at a low partial pressure of water through presence of vacuum, or by use of a sweep gas.

L'invention concerne un procédé et un appareil pour extraire l'eau dissoute, émulsionnée ou libre de liquides de faible volatilité tels que l'huile. Le liquide de faible volatilité est évacué par contact du flux de fluide concerné avec un côté d'une membrane semi-perméable. Cette membrane divise une chambre de séparation en un côté alimentation, où le flux du fluide est amené, et en un côté perméat, duquel l'eau est extraite. Le côté perméat est maintenu à une pression d'eau partielle basse par dépression ou par utilisation d'un gaz de balayage.

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