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Looking for an Optimal Composition of Nickel-Based Catalysts for CO 2 Methanation

Author

Listed:
  • Guido Busca

    (Dipartimento di Ingegneria Civile, Chimica e Ambientale, Università di Genova, Via Opera Pia 15, 16145 Genova, Italy
    Consorzio Interuniversitario Nazionale di Scienza e Tecnologia dei Materiali (INSTM), UdR di Genova, Via Dodecaneso 31, 16146 Genova, Italy)

  • Elena Spennati

    (Dipartimento di Ingegneria Civile, Chimica e Ambientale, Università di Genova, Via Opera Pia 15, 16145 Genova, Italy
    Consorzio Interuniversitario Nazionale di Scienza e Tecnologia dei Materiali (INSTM), UdR di Genova, Via Dodecaneso 31, 16146 Genova, Italy)

  • Paola Riani

    (Consorzio Interuniversitario Nazionale di Scienza e Tecnologia dei Materiali (INSTM), UdR di Genova, Via Dodecaneso 31, 16146 Genova, Italy
    Dipartimento di Chimica e Chimica Industriale, Università di Genova, Via Dodecaneso 31, 16146 Genova, Italy)

  • Gabriella Garbarino

    (Dipartimento di Ingegneria Civile, Chimica e Ambientale, Università di Genova, Via Opera Pia 15, 16145 Genova, Italy
    Consorzio Interuniversitario Nazionale di Scienza e Tecnologia dei Materiali (INSTM), UdR di Genova, Via Dodecaneso 31, 16146 Genova, Italy
    CNR-SCITEC G. Natta, Via Golgi 19, 20133 Milano, Italy)

Abstract

A detailed critical analysis of the scientific literature data concerning catalysts for CO 2 methanation based on nickel supported over oxides was performed. According to the obtained information, it seems that an ionic support is necessary to allow a good nickel dispersion to produce very small nickel metal particles. Such small metal particles result in being very active toward methanation, limiting the production of carbonaceous materials. The use of support and/or surface additives gives rise to medium surface basicity, allowing medium-strong adsorption of CO 2 , and it is also advisable to increase the reaction rate. A medium nickel loading would allow the free support geometric surface to be covered densely by small nickel metal particles without the production of larger Ni crystals. It is also advisable to work at temperatures where Ni(CO) 4 formation is not possible (e.g., >573 K). The promising properties of systems based on doped Ni/Al 2 O 3 , doped with basic and re-active oxides such as MnO x or/and CeO 2 , and those based on Ni/CeO 2 were underlined.

Suggested Citation

  • Guido Busca & Elena Spennati & Paola Riani & Gabriella Garbarino, 2023. "Looking for an Optimal Composition of Nickel-Based Catalysts for CO 2 Methanation," Energies, MDPI, vol. 16(14), pages 1-19, July.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:14:p:5304-:d:1191490
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    References listed on IDEAS

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    1. Estefania Vega Puga & Gkiokchan Moumin & Nicole Carina Neumann & Martin Roeb & Armin Ardone & Christian Sattler, 2022. "Holistic View on Synthetic Natural Gas Production: A Technical, Economic and Environmental Analysis," Energies, MDPI, vol. 15(5), pages 1-27, February.
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