C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 11/04 (2006.01) B01J 23/10 (2006.01) C10G 11/05 (2006.01) C10G 11/18 (2006.01)
Patent
CA 2553217
A composition comprising FCC catalyst particles and additive particles suitable for the reduction of NOx emissions from a FCC regenerator, said additive particles comprising a Mg and Al-containing anionic clay or solid solution, a rare earth metal oxide, alumina and/or silica-alumina, and Y-type zeolite. The invention further relates to a process for preparing such a composition and its use for reducing NOx emissions.
L'invention concerne une composition comprenant des particules de catalyseur de craquage catalytique fluide et des particules d'addition, destinée à la réduction des émissions de NO¿x? dans un régénérateur de catalyseur de craquage catalytique fluide, lesdites particules d'addition comprenant une solution solide ou une argile anionique contenant du Mg et de l'Al, un oxyde métallique de terre rare, de l'alumine et/ou de la silice-alumine, et une zéolithe de type Y. L'invention concerne également un procédé destiné à la préparation de cette composition et son utilisation pour réduire les émissions de NO¿x?.
Kuehler Christopher W.
O'connor Paul
Stamires Dennis
Albemarle Netherlands B.v.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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