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A new approach has been tested for the preparation of metal/Mo2C catalysts using mixed-metal oxide molybdates as precursors. Synchrotron-based in situ time-resolved X-ray diffraction was used to study the reduction and carburization processes of Cu3(MoO4)2(OH)2, α-NiMoO4 and CoMoO4·nH2O by thermal treatment under mixtures of hydrogen and methane. In all cases, the final product was β-Mo2C and a metal...
Cobalt molybdate and cobalt molybdate-potassium catalysts were found to exhibit activity for alcohol formation from CO 2 /H 2 at 3.0MPa and 250°C and 300°C. Tetrahedrally coordinated Mo 6+ ions favor the selectivity to alcohols. Addition of K 2 CO 3 greatly enhances the selectivity of the reaction to methanol. The extent of this effect was dependent on the way...
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