Process for dewatering ethanol
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United States of America Patent
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Jul 15, 2008
Grant Date -
Jul 26, 2007
app pub date -
Jan 19, 2007
filing date -
Jan 25, 2006
priority date (Note) -
Expired
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Abstract
A process for preparing low-water ethanol from at least two streams of relatively water-rich ethanol that have a different water content by dewatering at membranes. The low-water ethanol can be used to prepare ethyl tert-butyl ether (ETBE).
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