Oil dehydrator
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United States of America Patent
Stats
-
Feb 11, 2003
Grant Date -
Aug 1, 2002
app pub date -
Aug 22, 2001
filing date -
May 27, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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.
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