NO x reduction composition for use in FCC processes

Details NO x reduction composition for use in FCC processes NO x reduction composition for use in FCC processes

2006-05-16

2006-05-16

Wood, Elizabeth D. (Department: 1755)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

C502S303000, C502S341000, C502S344000, C502S345000, C502S346000, C502S347000, C502S348000, C502S400000, C502S407000, C502S415000, C502S438000, C502S515000, C208S113000, C208S120010, C208S121000, C208S149000, C208S25400R

Reexamination Certificate

active

07045485

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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