Multizone catalytic reforming process with a plurality of...

C - Chemistry – Metallurgy – 10 – G

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C10G 35/09 (2006.01) C10G 59/02 (2006.01)

Patent

CA 2017658

A hydrocarbon feedstock is catalytically reformed in a process which comprises contacting the feedstock and hydrogen at catalytic reforming conditions in an initial catalyst zone with a catalyst comprising platinum, germanium and halogen on a solid catalyst support. The product stream and hydrogen from the first catalyst zone is thereafter contacted at catalytic reforming conditions in a terminal catalyst zone with catalyst A or B where catalyst A is essentially free of germanium and comprising platinum, germanium, halogen and a metal promoter on a solid catalyst support and where catalyst B comprises platinum, germanium, halogen and a metal promoter on a solid catalyst support.

Une alimentation d'hydrocarbures est reformée catalytiquement grâce à un procédé consistant à mettre en contact l'alimentation et l'hydrogène dans des conditions de reformage catalytique au niveau d'une première zone renfermant un catalyseur à base de platine, de germanium et d'halogène sur un support catalytique solide. Le flux de produit et l'hydrogène provenant de cette première zone catalytique est ensuite mis en contact toujours dans des conditions de reformage catalytique, au niveau d'une zone catalytique terminale, avec un catalyseur A ou B, A étant pratiquement exempt de germanium mais renfermant du platine, du germanium, un halogène et un promoteur métallique sur un support catalytique solide, et le catalyseur B renfermant du platine, du germanium, un halogène et un promoteur métallique sur un support catalytique solide.

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