Low temperature ignition of methane partial oxidation over Ni/LaAlO 3 catalyst

Daiki Mukai, Toshinari Eda, Keisuke Tanaka, Eiichi Kikuchi, Yasushi Sekine

    Research output: Contribution to journalArticle

    Abstract

    Low temperature partial oxidation of methane to produce syngas was investigated over Ni catalysts supported on various perovskite oxides. Pre-reduced Ni catalyst supported on LaAlO3 perovskite showed high catalytic activity at 673 K, the lowest temperature reported to date. Ni particles on LaAlO3 perovskite showed weaker interaction between metal and support, and were reduced at lower temperature than on other Ni catalysts. Partial oxidation proceeded via methane combustion and steam reforming, and the reduced Ni particles were active sites for both of these reactions. Additional impregnation of Pd enabled catalysis of the reaction without pre-reduction. The functions of Ni particles, LaAlO3 perovskite, and supported Pd were investigated by various methods, and found that Pd promoted the oxidation of methane, and catalytic partial oxidation proceeded over reduced Ni.

    Original languageEnglish
    Pages (from-to)156-164
    Number of pages9
    JournalJournal of the Japan Petroleum Institute
    Volume56
    Issue number3
    DOIs
    Publication statusPublished - 2013

    Fingerprint

    Perovskite
    Ignition
    Methane
    Oxidation
    Catalysts
    Catalyst supports
    Temperature
    Steam reforming
    Impregnation
    Catalysis
    Catalyst activity
    Oxides
    Metals

    Keywords

    • Low temperature ignition
    • Methane partial oxidation
    • Perovskite oxide
    • Synthesis gas production

    ASJC Scopus subject areas

    • Energy Engineering and Power Technology
    • Fuel Technology

    Cite this

    Low temperature ignition of methane partial oxidation over Ni/LaAlO 3 catalyst. / Mukai, Daiki; Eda, Toshinari; Tanaka, Keisuke; Kikuchi, Eiichi; Sekine, Yasushi.

    In: Journal of the Japan Petroleum Institute, Vol. 56, No. 3, 2013, p. 156-164.

    Research output: Contribution to journalArticle

    Mukai, Daiki ; Eda, Toshinari ; Tanaka, Keisuke ; Kikuchi, Eiichi ; Sekine, Yasushi. / Low temperature ignition of methane partial oxidation over Ni/LaAlO 3 catalyst. In: Journal of the Japan Petroleum Institute. 2013 ; Vol. 56, No. 3. pp. 156-164.
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    AU - Tanaka, Keisuke

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    AU - Sekine, Yasushi

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    AB - Low temperature partial oxidation of methane to produce syngas was investigated over Ni catalysts supported on various perovskite oxides. Pre-reduced Ni catalyst supported on LaAlO3 perovskite showed high catalytic activity at 673 K, the lowest temperature reported to date. Ni particles on LaAlO3 perovskite showed weaker interaction between metal and support, and were reduced at lower temperature than on other Ni catalysts. Partial oxidation proceeded via methane combustion and steam reforming, and the reduced Ni particles were active sites for both of these reactions. Additional impregnation of Pd enabled catalysis of the reaction without pre-reduction. The functions of Ni particles, LaAlO3 perovskite, and supported Pd were investigated by various methods, and found that Pd promoted the oxidation of methane, and catalytic partial oxidation proceeded over reduced Ni.

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