Benzene-Carbon Dioxide Reaction over Alkaline Earth Metal Oxide Catalysts

Masahiko Matsukata, Shin Ya Sekine, Ken Ichiro Kobayashi, Eiji Okanari, Eiichi Kikuchi, Yoshiro Morita

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    The benzene-carbon dioxide reaction was performed over alkaline earth metal oxide catalysts at temperatures in the range 973-1173K to investigate the reaction sequence in hydrocarbon gasification and the catalytic role of these oxides. To discuss the difference in the reactivities of benzene and hexane, we propose a reaction scheme as follows: the reaction proceeds via the intermediate carbon deposited by direct decomposition of benzene on the surface of the catalyst producing hydrogen simultaneously, and the rapid reverse water gas shift reaction concurrently occurs to give carbon monoxide and steam in equilibrium composition. The catalytic activity was determined on the balance between the rate of formation of intermediate carbon and the rate of its gasification. Characterization of catalysts by means of 1-butene isomerization leads to a confirmation that carbon accumulates on an inactive part of the catalyst surface.

    Original languageEnglish
    Pages (from-to)206-215
    Number of pages10
    JournalSekiyu Gakkaishi (Journal of the Japan Petroleum Institute)
    Volume32
    Issue number4
    DOIs
    Publication statusPublished - 1989

    Fingerprint

    Alkaline earth metals
    Benzene
    Carbon dioxide
    Catalysts
    Oxides
    Gasification
    Carbon
    Water gas shift
    Isomerization
    Hexane
    Butenes
    Carbon monoxide
    Catalyst activity
    Steam
    Hydrocarbons
    Decomposition
    Hydrogen
    Chemical analysis
    Temperature

    ASJC Scopus subject areas

    • Fuel Technology

    Cite this

    Benzene-Carbon Dioxide Reaction over Alkaline Earth Metal Oxide Catalysts. / Matsukata, Masahiko; Sekine, Shin Ya; Kobayashi, Ken Ichiro; Okanari, Eiji; Kikuchi, Eiichi; Morita, Yoshiro.

    In: Sekiyu Gakkaishi (Journal of the Japan Petroleum Institute), Vol. 32, No. 4, 1989, p. 206-215.

    Research output: Contribution to journalArticle

    Matsukata, Masahiko ; Sekine, Shin Ya ; Kobayashi, Ken Ichiro ; Okanari, Eiji ; Kikuchi, Eiichi ; Morita, Yoshiro. / Benzene-Carbon Dioxide Reaction over Alkaline Earth Metal Oxide Catalysts. In: Sekiyu Gakkaishi (Journal of the Japan Petroleum Institute). 1989 ; Vol. 32, No. 4. pp. 206-215.
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    AU - Okanari, Eiji

    AU - Kikuchi, Eiichi

    AU - Morita, Yoshiro

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