Process for preparing ethyl tert-butyl ether using ethanol dewatered by a membrane process
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United States of America Patent
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Jan 6, 2009
Grant Date -
Aug 7, 2008
app pub date -
Apr 7, 2008
filing date -
Jan 25, 2006
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Expired
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Abstract
A process for preparing ethyl tert-butyl ether (ETBE) using low-water ethanol obtained by membrane dewatering at least two streams of relatively water-rich ethanol that have a different water content. by dewatering at membranes.
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