Process for obtaining acrolein by catalytic dehydration of glycerol or glycerin
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United States of America Patent
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Apr 19, 2016
Grant Date -
Aug 22, 2013
app pub date -
Oct 26, 2011
filing date -
Oct 26, 2010
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Abstract
A continuous process for obtaining acrolein by catalytic dehydration of glycerol or glycerin, in the presence of an acid catalyst, wherein said process comprises the concomitant regeneration of said catalyst and is carried out in a fluidized bed reactor, said reactor comprising two zones, a first zone, or lower zone, termed catalyst regeneration zone, in which a fluidization gas comprising oxygen is introduced, and a second zone, or upper zone, termed reaction zone, in which the glycerol or glycerin is introduced and converted into acrolein.
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