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Kinetic Regularities of Methane Dry Reforming Reaction on Nickel-Containing Modified Ceria–Zirconia

Author

Listed:
  • Valeria Fedorova

    (Department of Heterogeneous Catalysis, Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia)

  • Mikhail Simonov

    (Department of Heterogeneous Catalysis, Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia)

  • Konstantin Valeev

    (Department of Heterogeneous Catalysis, Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia)

  • Yuliya Bespalko

    (Department of Heterogeneous Catalysis, Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia)

  • Ekaterina Smal

    (Department of Heterogeneous Catalysis, Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia)

  • Nikita Eremeev

    (Department of Heterogeneous Catalysis, Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia)

  • Ekaterina Sadovskaya

    (Department of Heterogeneous Catalysis, Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia)

  • Tamara Krieger

    (Department of Heterogeneous Catalysis, Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia)

  • Arcady Ishchenko

    (Department of Heterogeneous Catalysis, Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia)

  • Vladislav Sadykov

    (Department of Heterogeneous Catalysis, Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia)

Abstract

The Ni-containing catalysts based on ceria–zirconia doped with Ti and Ti+Nb were prepared by the solvothermal method in supercritical fluids. Ni deposition was carried out by incipient wetness impregnation and the one-pot technique. All materials were investigated by a complex of physicochemical methods (XRD, BET, TEM, H 2 -TPR). Samples catalytic properties were studied in methane dry reforming in the plug-flow reactor. Conversions of CH 4 and CO 2 , H 2 /CO ratio, and CO and H 2 yields were measured, and detailed kinetics analysis was carried out. The influence of Ni loading method and support modification on the catalytic behavior in the methane dry reforming process was studied. The preparation method of catalysts affects the textural characteristics. For one-pot samples, pore volume and surface area are lower than for impregnated samples. For catalysts on modified supports, strong metal–support interaction was shown to increase catalytic activity. A reduction pretreatment of samples was shown to have significant influence on their catalytic properties. The kinetic parameters such as reaction rate constant at 700 °C, effective activation energy, and TOF were estimated and analyzed.

Suggested Citation

  • Valeria Fedorova & Mikhail Simonov & Konstantin Valeev & Yuliya Bespalko & Ekaterina Smal & Nikita Eremeev & Ekaterina Sadovskaya & Tamara Krieger & Arcady Ishchenko & Vladislav Sadykov, 2021. "Kinetic Regularities of Methane Dry Reforming Reaction on Nickel-Containing Modified Ceria–Zirconia," Energies, MDPI, vol. 14(10), pages 1-16, May.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:10:p:2973-:d:558875
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    References listed on IDEAS

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    1. Yuliya Bespalko & Ekaterina Smal & Mikhail Simonov & Konstantin Valeev & Valeria Fedorova & Tamara Krieger & Svetlana Cherepanova & Arcady Ishchenko & Vladimir Rogov & Vladislav Sadykov, 2020. "Novel Ni/Ce(Ti)ZrO 2 Catalysts for Methane Dry Reforming Prepared in Supercritical Alcohol Media," Energies, MDPI, vol. 13(13), pages 1-24, July.
    2. Svetlana Pavlova & Marina Smirnova & Aleksei Bobin & Svetlana Cherepanova & Vasily Kaichev & Arcady Ishchenko & Aleksandra Selivanova & Vladimir Rogov & Anne-Cécile Roger & Vladislav Sadykov, 2020. "Structural, Textural, and Catalytic Properties of Ni-Ce x Zr 1−x O 2 Catalysts for Methane Dry Reforming Prepared by Continuous Synthesis in Supercritical Isopropanol," Energies, MDPI, vol. 13(14), pages 1-20, July.
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    Cited by:

    1. Vladislav Sadykov & Mikhail Simonov & Nikita Eremeev & Natalia Mezentseva, 2021. "Modern Trends in Design of Catalysts for Transformation of Biofuels into Syngas and Hydrogen: From Fundamental Bases to Performance in Real Feeds," Energies, MDPI, vol. 14(19), pages 1-25, October.

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