Development of Silver Based Catalysts Promoted by Noble Metal M (M = Au, Pd or Pt) for Glycerol Oxidation in Liquid Phase
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The liquid-phase oxidation of glycerol was studied to obtain glycolic acid as a value-added molecule. The effect of metal addition to silver based catalyst was investigated under strong basic condition. The best catalytic performance was obtained over silver catalyst promoted with a small amount of platinum Ag95–Pt5/CeO2. Namely, the conversion close to 54% was reached after 5 h of reaction at 60 °C, with the selectivity to glycolic acid of 51%. Further increase in the amount of promotor (up to 50%) changed the reaction mechanism to product selectively the glyceric acid.
Keywordsglycerol oxidation silver based catalysts glycolic acid
This work was performed, in partnership with the SAS PIVERT, within the frame of the French Institute for the Energy Transition (Institut pour la Transition Energétique (ITE) P.I.V.E.R.T. (http://www.institut-pivert.com) selected as an Investment for the Future (“Investissements d’Avenir”). This work was supported, as part of the Investments for the Future, by the French Government under the reference ANR-001-01.
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