Ammoxidation of a mixture of alcohols to a mixture of nitriles to acetonitrile and HCN
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United States of America Patent
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Mar 20, 2001
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N/A
app pub date -
Mar 2, 2000
filing date -
Dec 9, 1998
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Abstract
A process for increasing the yield of one or both co-products HCN and acetonitrile produced during the manufacture of acrylonitrile comprising introducing a hydrocarbon selected from the group consisting of propylene and propane, a mixture comprising one or more alcohols selected from crude methanol, crude ethanol or crude propanol, ammonia and air into a reaction zone containing an ammoxidation catalyst, reacting the hydrocarbon, alcohol, ammonia and oxygen over said catalyst at an elevated temperature to produce acrylonitrile, hydrogen cyanide and acetonitrile, and recovering the acrylonitrile, hydrogen cyanide and acetonitrile from the reactor.
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