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- W90612734 abstract "Abstract Propane dehydrogenation has been studied over Pt and Pt-Sn catalysts supported on γ-Al2O3 or SiO2. Addition of Sn leads to increased Pt dispersion and TPD experiments demonstrated a very large capacity for hydrogen adsorption during reduction and cooling in H2 for the Snpromoted samples. The initial specific activity (turnover) was similar for Pt supported on γ-Al2O3 and SiO2, as well as for Pt-Sn/γ-Al2O3, while Pt-Sn/SiO2 was an order of magnitude less active. The Sn-supported samples showed superior activity maintenance in spite of a larger coking rate. The role of hydrogen adsorbed during the reduction was found to depend on the support used, over the Pt-Sn/γ-Al2O3 catalyst it was necessary for maintaining the activity, while over the Pt-Sn/SiO2 catalyst it acted as an inhibitor for the dehydrogenation reaction." @default.
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- W90612734 date "1994-01-01" @default.
- W90612734 modified "2023-09-24" @default.
- W90612734 title "Propane Dehydrogenation over Supported Platinum Catalysts: The Influence of Tin on the Coking Properties" @default.
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- W90612734 doi "https://doi.org/10.1016/s0167-2991(08)62781-0" @default.
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