Add time:08/25/2019         Source:sciencedirect.com

Selective oxidation of Propylene (cas 115-07-1) glycol is studied over silica-supported FeMoO catalysts with different Mo/Fe molar ratio. The catalysts are synthesized by wetness impregnation method and characterized by XRD, UV–vis, Raman spectroscopy, TPR and DFT methods. The catalytic properties are tested under gas phase conditions at 350 °C. The selectivity towards methylglyoxal formation is shown to be determined by the Mo/Fe molar ratio. The 55% selectivity towards methylglyoxal is achieved at Mo/Fe molar ratio of 3:1 through OH activation and CH bond scission route. CC bond cleavage route results in predominant formaldehyde formation at the Mo/Fe molar ratio of 1:2.

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