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Hydrogenolysis of Glycerol on Supported Ru-Co Bimetallic Catalysts

The hydrogenolysis of biomass-derived glycerol was studied on Ru-Co bimetallic catalysts, including Ru-Co/TiO2, Ru-Co/ZrO2, Ru-Co/SiO2 and Ru-Co/γ-Al2O3. The addition of Co to the Ru-based catalysts can promote the selectivity to 1,2-propanediol (1,2-PDO). The support material and Ru/Co atomic ratio has a significant effect on the catalytic performance. Ru-Co/ZrO2 exhibited the best performance as regard to both the activity and the selectivity to 1,2-PDO. Co is a promising second metal component to adjust the catalytic properties of Ru-based catalysts for the selective hydrogenolysis of glycerol.