Ammoxidation of a mixture of ketones to acetonitrile and HCN
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United States of America Patent
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Dec 23, 2003
Grant Date -
Oct 23, 2003
app pub date -
Dec 10, 2001
filing date -
May 27, 1999
priority date (Note) -
Expired
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Abstract
A process increasing the yield of both HCN and acetonitrile produced during the manufacture of acrylonitrile comprising introducing a hydrocarbon selected from the group consisting of propylene and propane, a crude ketone and/or a mixture of at least two ketones, ammonia and air, into a reaction zone containing an ammoxidation catalyst, reacting the. hydrocarbon, the ketone, 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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