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We have studied the catalytic carbon monoxide (CO) oxidation (CO+0.5O2→CO2) reaction using a powder catalyst composed of both copper (5wt.% loading) and titania (CuOx–TiO2). Our study was focused on revealing the role of Cu, and the interaction between Cu and TiO2, by systematic comparison between two nanocatalysts, CuOx–TiO2 and pure CuOx. We interrogated these catalysts under in situ conditions...
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...
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