English Title Not Available
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United States of America Patent
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Aug 19, 2014
Grant Date -
Sep 1, 2011
app pub date -
Nov 7, 2008
filing date -
Nov 7, 2008
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Abstract
A dehydrogenation catalyst composition for use in preparing an alkenyl aromatic compound by dehydrogenation of an alkyl aromatic compound, a method for preparing the catalyst, and a process for using the catalyst in a dehydrogenation reaction. Carbon dioxide (CO2) is present in the reaction in a molar ratio of 0.015 to 0.20 based on an aromatic compound in a material gas. The catalyst further includes an iron compound, an alkali metal, and about 13 to about 60 wt % of a rare earth element calculated as an oxide.
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