C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 59/02 (2006.01) C10G 35/095 (2006.01)
Patent
CA 2192554
Provided is a process for catalytic reforming a hydrocarbon feedstock containing at least 20 ppbw sulfur. The process comprises passing the hydrocarbon feedstock through at least two serially connected reforming zones, with each zone containing a highly sulfur sensitive reforming catalyst. The catalyst in the first reforming zone is more frequently regenerated than the catalyst in the second reforming zone. The result is a highly efficient and simplified process for reforming a sulfur contaminated hydrocarbon feedstock. The process basically employs a minor portion of the highly sulfur sensitive reforming catalyst as both the reforming catalyst and a sulfur removal agent.
L'invention concerne un procédé de reformation catalytique d'une charge d'hydrocarbure contenant au moins 20 ppb en poids de soufre. Le procédé consiste à faire passer la charge d'hydrocarbure dans au moins une série de zones de reformation reliées en série contenant chacune un catalyseur de reformation hautement sensible au soufre. Le catalyseur dans la première zone de reformation est plus fréquemment régénéré que celui se trouvant dans la seconde zone de reformation. On obtient ainsi un procédé simple et très efficace de reformation d'une charge d'hydrocarbure contaminée par le soufre. Dans ce procédé, une partie mineure du catalyseur de reformation hautement sensible au soufre fait office de catalyseur de reformation et d'agent d'extraction de soufre.
Chevron Chemical Company
Chevron U.s.a. Inc.
Sim & Mcburney
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