SULFUR OXIDE REMOVING ADDITIVE FOR PARTIAL OXIDATION CONDITIONS
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United States of America Patent
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Issued Date -
Jun 19, 2008
app pub date -
Oct 30, 2007
filing date -
Oct 31, 2006
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Abandoned
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Abstract
The sulfur oxide removing additive suitable for a FCC unit at low oxygen environment condition is described. The SO.sub.x removing additive includes one or more sorbents and one or more oxidation catalysts. The sorbent includes a source of Al and a divalent component. The divalent component is selected from a group consisting of magnesium, calcium, and combinations of two or more. The oxidation catalyst includes a source of cerium The SOx removing additive is substantially free of vanadium. Also described is a method of removing the sulfur oxide content of a sulfur oxide-containing gas from an FCC unit. The method includes contacting the gas with a SO.sub.x removing additive at a low oxygen environment condition.
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