Lower temperature CO promoters for FCC with low NOx
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United States of America Patent
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Issued Date -
Jun 7, 2007
app pub date -
Nov 21, 2006
filing date -
Dec 2, 2005
priority date (Note) -
Abandoned
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Abstract
A carbon monoxide oxidation promoter for use in an FCC regenerator comprises a mixture of base metal oxides, which are present in an amount so as to have a CO oxidation activity substantially less than a precious metal catalyst and which consequently reduces the amount of NOx contained in the regenerator flue gas. Typically, the carbon monoxide oxidation promoter will comprise a mixture of base metal oxides which are present on a support in amounts of less than 5 wt. % of the catalyst.
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