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Wang, H.-M., Wang, X.-H., Zhang, M.-H., Du, X.-Y., Li, W. and Tao, K.-Y. (2007) Synthesis of Bulk and Supported Molybdenum Carbide by a Single-Step Thermal Carburization Method. Chemistry of Materials, 19, 1801-1807.

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• TITLE: γ-Alumina-Supported Ni-Mo Carbides as Promising Catalysts for CO2 Methanation

  AUTHORS: Lu Yao, Ye Wang, Maria Elena Galvez, Changwei Hu, Patrick da Costa

  KEYWORDS: CO2 Methanation, Carbide Catalysts, Nickel, Molybdenum

  JOURNAL NAME: Modern Research in Catalysis, Vol.6 No.4, October 30, 2017

  ABSTRACT: CO2 methanation with Hydrogen to form CH4 offers a solution for off-peak renewable energy storage. γ-alumina-supported Mo and Ni-Mo catalysts were used in CO2 methanation, either in their reduced or in their carburized form. The presence of Ni improved the carburization extent of Mo-species, resulting in increased catalytic activity and selectivity for the catalytic CO2 methanation reaction. Carburization generally enhances the basicity of the materials and thus CO2 absorption on their surface. At 300°C, the conversions of CO2 for the reduced Ni-Mo/Al2O3 catalyst and Ni-Mo2C/Al2O3 catalysts were 5.3% and 13.8% respectively with a corresponding selectivity in CH4 of 10.0% and 98.1%, respectively.