Steam and CO2 reforming of methane over a Ru/ZrO2 catalyst

Jon Geest Jakobsen, T.L. Jørgensen, Ib Chorkendorff, J. Sehested

Research output: Contribution to journalJournal articleResearchpeer-review


The kinetics of methane steam reforming over a Ru/ZrO2 catalyst was studied at 1.3 bar total pressure and in the temperature range 425-575 degrees C. These data were fitted by combining a reactor model with a series of kinetic models. The best fit was obtained by a model with methane dissociative adsorption as the rate limiting step and with CO and H adspecies partly blocking the active sites. The Ru/ZrO2 catalyst was characterized by TEM and H-2 chemisorption. By comparison of ex situ and in situ TEM, it is evident that Ru particles with diameters of
Original languageEnglish
JournalApplied Catalysis A: General
Issue number1-2
Pages (from-to)158-166
Publication statusPublished - 2010


  • TEM
  • Kinetics
  • Ruthenium
  • Methane steam reforming


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