Catalysts containing a doping metal for use in hydrocarbon...

C - Chemistry – Metallurgy – 10 – G

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C10G 35/09 (2006.01) B01J 23/56 (2006.01) B01J 23/58 (2006.01) B01J 23/63 (2006.01) B01J 27/13 (2006.01)

Patent

CA 2225505

A catalyst including a matrix consisting of a mixture of transition alumina ? and transition alumina .gamma., and at least one doping metal selected from the group which consists of titanium, zirconium, hafnium, cobalt, nickel, zinc, lanthanides, alkali metals and alkaline-earth metals, at least one halogen selected from the group which consists of fluorine, chlorine, bromine and iodine, at least one noble metal from the platinum family, and at least one promoter metal selected from the group which consists of tin, germanium, indium, gallium, thallium, antimony, lead, rhenium, manganese, chromium, molybdenum and tungsten.

L'invention concerne un catalyseur comprenant: une matrice constituée d'un mélange d'alumine de transition , d'alumine de transition .gamma., et au moins un métal dopant choisi dans le groupe constitué par le titane, le zirconium, le hafnium, le cobalt, le nickel, le zinc, les lanthanides et les métaux alcalins et alcalino-terreux. au moins un halogène choisi dans le groupe formé par le fluor, le chlore, le brome et l'iode, au moins un métal noble de la famille du platine, et au moins un métal promoteur choisi dans le groupe formé par l'étain, le germanium, l'indium, le gallium, le thallium, l'antimoine, le plomb, le rhénium, le manganèse, le chrome, le molybdène et le tungstène.

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