Combined carbon dioxide and oxygen process for ethylbenzene dehydrogenation to styrene
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United States of America Patent
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Aug 7, 2012
Grant Date -
Dec 24, 2009
app pub date -
Jun 19, 2008
filing date -
Jun 19, 2008
priority date (Note) -
Expired
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Abstract
Processes for using a combination of carbon dioxide and oxygen in the dehydrogenation of hydrocarbons are provided. A hydrocarbon feedstock, carbon dioxide and oxygen are fed to an oxidative dehydrogenation reactor system containing one or more catalysts that promote dehydrogenation of the hydrocarbon feedstock to produce a dehydrogenated hydrocarbon product. The processes of the present invention may be used, for example, to produce styrene monomer by dehydrogenation of ethylbenzene using carbon dioxide and oxygen as oxidants.
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