Liquid separation by membrane assisted vapor stripping process
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United States of America Patent
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Feb 23, 2016
Grant Date -
Jan 17, 2013
app pub date -
Jun 6, 2012
filing date -
Aug 30, 2007
priority date (Note) -
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Abstract
An improved process for separation of liquid mixtures involves vapor stripping followed by mechanical compression of the vapor which is then exposed to a permeation membrane for separation of the compressed vapor. The apparatus for separating a liquid mixture of two or more solvents comprises components a stripping column, at least one over-head compressor and, thereafter, at least one selectively permeable membrane wherein the membrane separates the components of the vapor based on the different sorption and diffusion characteristics.
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