NOx reduction composition for use in FCC processes

Details NOx reduction composition for use in FCC processes NOx reduction composition for use in FCC processes

2005-02-08

2005-02-08

Silverman, Stanley S. (Department: 1754)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

C502S303000, C502S304000, C502S341000, C502S344000, C502S345000, C502S346000, C502S347000, C502S348000

Reexamination Certificate

active

06852298

ABSTRACT:
A composition for controlling NOxemissions during FCC processes comprises (i) an acidic oxide support, (ii) cerium oxide, (iii) a lanthanide oxide other than ceria such as praseodymium oxide, and (iv), optionally, an oxide of a metal from Groups Ib and IIb such as copper, silver and zinc.

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