Noble metal/ZN-A1203 reforming catalysts with enhanced reforming performance (C-2714)
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机译:具有增强的重整性能的贵金属/ ZN-A1203重整催化剂(C-2714)
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摘要
Catalysts for reforming typically contain platinum supported on a high surface area alumina. During reforming reactions, specifically dehydrocyclization, such catalysts produce undesirable light gases. Applicants have found a new catalyst that suppresses undesirable hydrogenolysis reactions thereby decreasing the yields of undesirable light gas make during dehydrocyclization of C.sub.6 + hydrocarbons, especially n-heptane. The catalyst comprises a halogen, and catalytically active amounts of nonalloyed noble metal and zinc on an alumina support wherein said noble metal is selected from the group consisting essentially of Pt, Pd, Ir, Os, Ru, Rh, Re, and mixtures thereof and in the absence of cobalt and nickel. As used herein, nonalloyed means that the metallic phase consists of a single metallic element. In the present invention, noble metal. The invention is further directed to the preparation and use of the catalyst in a reforming reaction.
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