Perovskite - type rare earth complex oxide combustion catalysts

Details Perovskite - type rare earth complex oxide combustion catalysts Perovskite - type rare earth complex oxide combustion catalysts

B - Operations, Transporting

01

J

B01J 23/10 (2006.01) B01J 23/00 (2006.01) B01J 23/32 (2006.01) B01J 23/76 (2006.01) B01J 23/83 (2006.01) C10G 11/04 (2006.01)

Patent

CA 2033354

The present invention relates to rare earth complex oxide combustion catalysts wherein perovskite-type rare earth complex oxide active components are carried on a support using mullite as the main phase. The present invention relates also to a process for preparing a rare earth complex oxide combustion catalyst which comprises impregnatiing the support with the solution of the metallic ions prepared by the ABO3 stoichiometry and then drying and calcining it. Furthermore, the present invention relates to the use of the said catalyst as a combustion catalyst for CO in the fluid catalytic cracking (FCC) process of petroleum refining.

La présente invention porte sur des catalyseurs de combustion à base d'un oxyde complexe de terre rare; les constituants actifs de l'oxyde complexe de terre rare de type perovskite se trouvent sur un support avec le mullite comme phase principale. La présente invention porte également sur une méthode pour préparer un catalyseur de combustion à base d'oxyde complexe de terre rare, consistant à imprégner le support avec la solution d'ions métalliques préparée par stoechiométrie ABO3, puis à le sécher et à le calciner. Enfin, la présente invention porte sur l'emploi dudit catalyseur comme catalyseur de combustion pour le CO dans le procédé de craquage catalytique fluide (FCC) du raffinage du pétrole.

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