The effect of sulphur containing pollutants on the oxidation activity of precious metals used in vehicle exhaust catalysts

V. Meeyoo, D. L. Trimm*, N. W. Cant

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    55 Citations (Scopus)

    Abstract

    The effect of traces of hydrogen sulphide and of sulphur dioxide on the oxidation of methane over supported precious metals has been examined. Both gases inhibited catalytic oxidation over Pd and Rh, apparently as a result of sulphate formation. However, the catalytic activity of platinum was slightly enhanced by the pollutants.

    Original languageEnglish
    JournalApplied Catalysis B: Environmental
    Volume16
    Issue number2
    DOIs
    Publication statusPublished - 27 Mar 1998

    Keywords

    • Methane oxidation over precious metals
    • Palladium
    • Platinum
    • Precious metal poisoning
    • Rhodium
    • Sulphur poisoning

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