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- W1986083423 abstract "Abstract The formation of acetic acid and/or ethylene by oxidation of ethane is strongly dependent on X additives or Y promotor added to MoVO-based catalysts. MoV0.4X0.12YɛOz (X = Nb; Y = Pd; ɛ = 10−4) catalysts were prepared by the slurry method and their structural properties were studied by in situ (redox conditions) XRD, Raman and XPS techniques. The reactivity during reduction and reoxidation was analysed by thermal analysis (TGA/DSC). The oxidation of ethane was carried out in a conventional fixed bed microreactor with on line analysis by gas chromatography. Results show that Nb exerts mainly a structural effect as it is responsible for the stabilisation of molybdenum (VI) by formation of solid solutions with V, and that Pd modifies the rate of reduction of the solid catalysts. The increase of selectivity to acetic acid observed by Pd promotion is likely due to the transformation of ethylene to acetic acid occurring on neighboring Pd–V active sites." @default.
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- W1986083423 date "2009-03-01" @default.
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- W1986083423 title "MoV-based catalysts in ethane oxidation to acetic acid: Influence of additives on redox chemistry" @default.
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- W1986083423 doi "https://doi.org/10.1016/j.cattod.2008.04.046" @default.
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