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Stable Performance of Ni Catalysts in the Dry Reforming of Methane at High Temperatures for the Efficient Conversion of CO2 into Syngas

Authors

  • Katharina Mette,

    1. Department of Inorganic Chemistry, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin (Germany), Fax: (+49) 030-8413-4405
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  • Dr. Stefanie Kühl,

    1. Department of Inorganic Chemistry, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin (Germany), Fax: (+49) 030-8413-4405
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  • Hendrik Düdder,

    1. Laboratory of Industrial Chemistry, Ruhr-University Bochum, Universtitätsstr. 150, 44801 Bochum (Germany), Fax: (+49) 0234-32-14115
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  • Dr. Kevin Kähler,

    1. Laboratory of Industrial Chemistry, Ruhr-University Bochum, Universtitätsstr. 150, 44801 Bochum (Germany), Fax: (+49) 0234-32-14115
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  • Dr. Andrey Tarasov,

    1. Department of Inorganic Chemistry, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin (Germany), Fax: (+49) 030-8413-4405
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  • Prof. Dr. Martin Muhler,

    Corresponding author
    1. Laboratory of Industrial Chemistry, Ruhr-University Bochum, Universtitätsstr. 150, 44801 Bochum (Germany), Fax: (+49) 0234-32-14115
    • Martin Muhler, Laboratory of Industrial Chemistry, Ruhr-University Bochum, Universtitätsstr. 150, 44801 Bochum (Germany), Fax: (+49) 0234-32-14115

      Malte Behrens, Department of Inorganic Chemistry, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin (Germany), Fax: (+49) 030-8413-4405

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  • Dr. Malte Behrens

    Corresponding author
    1. Department of Inorganic Chemistry, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin (Germany), Fax: (+49) 030-8413-4405
    • Martin Muhler, Laboratory of Industrial Chemistry, Ruhr-University Bochum, Universtitätsstr. 150, 44801 Bochum (Germany), Fax: (+49) 0234-32-14115

      Malte Behrens, Department of Inorganic Chemistry, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin (Germany), Fax: (+49) 030-8413-4405

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Abstract

The catalytic performance of a Ni/MgAlOx catalyst was investigated in the high temperature CO2 reforming of CH4. The catalyst was developed using a Ni, Mg, Al hydrotalcite-like precursor obtained by co-precipitation. Despite the high Ni loading of 55 wt%, the synthesized Ni/MgAlOx catalyst possessed a thermally stable microstructure up to 900 °C with Ni nanoparticles of 9 nm. This stability is attributed to the embedding nature of the oxide matrix, and allows increasing the reaction temperature without losing active Ni surface area. To evaluate the effect of the reaction temperature on the reforming performance and the coking behavior, two different reaction temperatures (800 and 900 °C) were investigated. At both temperatures the prepared catalyst showed high rates of CH4 consumption. The higher temperature promotes the stability of the catalyst performance due to mitigation of the carbon formation.

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