Abstract
Preliminary studies on the hydrogenolysis of glycerol over the titania-supported Ru-based bimetallic catalysts (Ru-Fe/TiO2, Ru-Co/TiO2, Ru-Ni/TiO2and Ru-Cu/TiO2) were reported. The introduction of a second transition metal can obviously increase the selectivity to 1,2-propanediol of the Ru catalysts, but a deactivation effect was also found. The catalytic performances of the Ru-based bimetallic catalysts were discussed with a proposed reaction mechanism. The addition of Fe, Co, Ni or Cu enables the Ru-based catalysts to favor the dehydration route over the retro-aldolization route in the reaction process.
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