Catalyst for the dehydrogenation of ethyl benzene to STYRENE prepared with a high purity iron precursor
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United States of America Patent
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Sep 18, 2007
Grant Date -
Nov 25, 2004
app pub date -
Jun 24, 2004
filing date -
May 15, 2002
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Abstract
A method for producing a catalyst for use in the dehydrogenation of ethylbenzene to styrene is disclosed. The catalyst of the present invention comprises a high purity metal and at least one promoter in the form of solid oxides, oxide hydrates, hydroxides, hydroxycarbonates or metals. The catalyst is prepared via a method which comprises the preparation of at least one high purity iron precursor with or without an additional support material and which uses a nominal amount of water in the catalyst production. The catalyst pellets prepared with the high purity metal precursor are essentially free of sulfur and chloride contaminants.
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