The role of the oxidic support on the deactivation of pt catalysts during the CO@2# reforming of methane

J.H. Bitter, J.H. Bitter, W. Hally, W. Hally, Kulathuiyer Seshan, J.G. van Ommen, J.A. Lercher

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Pt supported on ¿-Al2O3, TiO2 and ZrO2 are active catalysts for the CO2 reforming of methane to synthesis gas. The stability of the catalysts increased in the order Pt/¿-A12O3 < Pt/TiO2 < Pt/ZrO2. For all catalysts, the decrease in activity with time on stream is caused by carbon formation, which blocks the active metal sites for reaction. With Pt/TiO2 and Pt/ZrO2, deactivation started immediately after the start of the reaction, while the Pt/¿-A12O3 catalyst showed an induction period during which carbon was accumulated without affecting the catalytic activity.
Original languageUndefined
Pages (from-to)349-353
Number of pages5
JournalCatalysis today
Issue number29
Publication statusPublished - 1996


  • METIS-105533
  • IR-10180

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