Modelling catalyst-support interactions in carbon monoxide oxidation catalysed by Pd/SnO2

M. Sheintuch*, J. Schmidt, Y. Lecthman, G. Yahav

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

48 Scopus citations


Stania-supported palladium shows a strong synergistic effect in catalysing carbon monoxide oxidation: measurements in the temperature range 20-160°C showed that the reactant inhibition effect and the activation energy of this catalyst are significantly lower than those of silica- and alumina-supported palladium. The rate curve is monotonic under stoichiometric conditions whereas it exhibits a local maximum in excess of oxygen. These features are accounted for by a model that incorporates spillover of carbon monoxide from the metal to the support and its subsequent reaction there. The support accelerates the rate by reducing the coverage of the metal by carbon monoxide.

Original languageEnglish
Pages (from-to)55-65
Number of pages11
JournalApplied Catalysis
Issue number1
StatePublished - 1989
Externally publishedYes


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