Pre-Treatment of Crude Alcohol or Furan Feed to a Vapor Permeation Apparatus
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United States of America Patent
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Issued Date -
Sep 23, 2010
app pub date -
Jan 29, 2010
filing date -
Feb 2, 2009
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Abstract
We disclose a method of extracting an alcohol or furan from a predominantly liquid stream comprising the alcohol or furan, comprising removing cations from the predominantly liquid stream comprising the alcohol or furan, using a cation-exchange resin; removing anions from the predominantly liquid stream comprising the alcohol or furan, using an anion-exchange resin; and recovering alcohol or furan from the predominantly liquid stream comprising the alcohol or furan, using either a vapor permeation membrane, a perevaporation process, or both.
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