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The effect of the carburization temperature on the performance of nickelpromoted molybdenum carbides supported on γ-alumina and silicon carbide as catalysts in dry methane reforming at 800 °C was evaluated. The precursor oxides were synthesized via incipient wetness impregnation and carburized at 700, 750, and 800 °C employing temperatureprogrammed carburization. The effect of the carburization temperature was more evident for alumina-supported catalysts as a certain excess of carbon on the surface was needed as a shield against oxidation. In the case of silicon carbide-supported catalysts, the carburization temperature did not affect the activity, showing the superiority of this support for different dry reforming operational conditions.

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