Kinetic study of CO2 reforming of propane over Ru/Al2O3

David Sutton, Jean Francois Moisan, J. R.H. Ross

Research output: Contribution to journalArticlepeer-review

Abstract

The rate of reaction of propane over a Ro/Al2O3 catalyst was determined as a function of the partial pressures of the reactants, C3H8 and CO2 at 600 and 650°C. The order of the reaction was found to be fractional with respect to carbon dioxide, indicating its involvement in the rate-determining step of the reaction. The order of the reaction was zero in propane indicating the fast reaction of propane over the catalyst. The apparent activation energies for propane and the formation of hydrogen and carbon monoxide were investigated. Values for the formation of hydrogen and carbon monoxide indicated a decrease in the CO:H2 ratio with an increase in temperature. Modelling of the kinetic data was inconclusive in the selection of a possible mechanism as good fits were observed for a Langmuir-Hinshelwood and a Mars-van Krevelen mechanism.

Original languageEnglish
Article number344755
Pages (from-to)175-181
Number of pages7
JournalCatalysis Letters
Volume75
Issue number3-4
DOIs
Publication statusPublished - Sep 2001

Keywords

  • Carbon dioxide
  • Propane
  • Reforming
  • Ruthenium catalyst

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