Method of producing lower alcohols from glycerol
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United States of America Patent
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May 17, 2011
Grant Date -
Feb 17, 2011
app pub date -
Oct 18, 2010
filing date -
Apr 22, 2002
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Abstract
A reactive-separation process converts glycerin into lower alcohols, having boiling points less than 200° C., at high yields. Conversion of natural glycerin to propylene glycol through an acetol intermediate is achieved at temperatures from 150° to 250° C. at a pressure ranging from 1 and 25 bar. The preferred applications of the propylene glycol are as an antifreeze, deicing compound, or anti-icing compound. The preferred catalyst for this process in a copper-chromium powder.
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