A catalytic cracking process using a modified mesoporous...

Details A catalytic cracking process using a modified mesoporous... A catalytic cracking process using a modified mesoporous...

C - Chemistry, Metallurgy

10

G

C10G 29/02 (2006.01) C10G 11/02 (2006.01) C10G 11/05 (2006.01) C10G 29/04 (2006.01)

Patent

CA 2392923

A process for catalytic cracking of a hydrocarbon feedstock comprises contacting the feedstock with a catalyst composition comprising a primary cracking component, such as zeolite Y, and a mesoporous aluminophosphate material which includes a solid aluminophosphate composition modified with at least one element selected from zirconium, cerium, lanthanum, manganese, cobalt, zinc, and vanadium. The mesoporous aluminophosphate material has a specific surface area of at least 100 m2/g, an average pore size less than or equal to 100 .ANG., and a pore size distribution such that at least 50 % of the pores have a pore diameter less than 100 .ANG..

Cette invention concerne un procédé de craquage catalytique pour charge d'alimentation d'hydrocarbure qui passe par les opérations suivantes : mise en contact de la charge d'alimentation avec un composé de craquage primaire tel un zéolite Y, et un matériau d'aluminophosphate mésoporeux comprenant une composition solide à base d'aluminophosphate et modifiée avec au moins un des éléments suivants : zirconium, cérium, lanthanum, manganèse, cobalt, zinc, et vanadium. Le matériau aluminophosphate mésoporeux a une zone superficielle spécifique d'au moins 100 m?2¿/g, une taille de pore moyenne inférieure ou égale à 100 .ANG., et une répartition des pores par taille telle que 50 % au moins des pores ont un diamètre inférieur à 100 .ANG..

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