Compositions for reduced nox and combustion promotion in fcc...

Details Compositions for reduced nox and combustion promotion in fcc... Compositions for reduced nox and combustion promotion in fcc...

C - Chemistry, Metallurgy

10

G

C10G 11/02 (2006.01) B01D 53/86 (2006.01) B01J 23/58 (2006.01)

Patent

CA 2175774

Compositions comprising a component containing (i) an acidic oxide support, (ii) an alkali metal and/or alkaline earth metal or mixtures thereof, (iii) a transition metal oxide having oxygen storage capability, and (iv) a transition metal selected from Groups Ib and/or IIb of the Periodic Table or palladium are useful in FCC processes to reduce NO x emissions and/or to promote CO combustion while minimizing the formation of NO x. The acidic oxide support preferably contains silica alumina. Ceria is the preferred oxygen storage oxide.

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