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Reaction routes for methane conversion on transition metals at low temperature

  • T. Koerts
  • , R.A. Santen, van

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    262 Downloads (Pure)

    Abstract

    Two new metal catalysed routes for methane conversion are discussed: methane oligomerization and methane addition to olefins. These reactions are realized in a reaction cycle consisting of several steps. In both reaction sequences methane is first dissociatively adsorbed on a reduced transition metal catalyst between 500 and 800 K resulting in surface carbon and hydrogen. A particular highly reactive surface carbonaceous intermediate is found to produce C2+ hydrocarbons upon hydrogenation between 300 and 400 K. The maximum yield for higher hydrocarbons is 13% obtained on a Ru/SiO2 catalyst. When olefins are co-adsorbed together with surface carbon generated from methane, more C2+ hydrocarbons are produced. Experiments with 13C labelled CH4 and unlabelled olefins demonstrate that surface carbon from methane is incorporated into the co-adsorbed olefins.
    Original languageEnglish
    Title of host publicationNew frontiers in catalysis : proceedings of the 10th International Congress on Catalysis, Budapest
    EditorsL. Guczi, F. Solymosi, P. Tétényi
    Place of PublicationAmsterdam
    PublisherElsevier
    Pages1065-1078
    Number of pages14
    ISBN (Print)0-444-89621-X
    DOIs
    Publication statusPublished - 1993
    Event10th International Congress on Catalysis (ICC 1992) - Budapest, Hungary
    Duration: 19 Jul 199224 Jul 1992
    Conference number: 10

    Publication series

    NameStudies in Surface Science and Catalysis
    Volume75
    ISSN (Print)0167-2991

    Conference

    Conference10th International Congress on Catalysis (ICC 1992)
    Abbreviated titleICC 1992
    Country/TerritoryHungary
    CityBudapest
    Period19/07/9224/07/92

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