Process for the production of alcohol from a carbonaceous feedstock
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United States of America Patent
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Aug 6, 2013
Grant Date -
Feb 24, 2011
app pub date -
Nov 7, 2008
filing date -
Nov 14, 2007
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Abstract
Process for the conversion of ethanoic acid into ethanol by (a) introducing ethanoic acid and H2 into a primary hydrogenation unit in the presence of a precious metal-based catalyst to produce ethanol and ethyl ethanoate and (b) introducing ethyl ethanoate, from step (a), together with H2 into a secondary hydrogenation unit in the presence of a copper-based catalyst to produce ethanol. Ethanol from step (b) is recovered.
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