Abstract
Ruthenium-doped (5 wt%) acidic heteropoly salt Cs2.5H0.5[PW12O40] (CsPW) is an active bifunctional catalyst for the one-pot hydrogenolysis of glycerol to 1,2-propanediol (1,2-PDO) in liquid phase, providing 96% selectivity to 1,2-PDO at 21% glycerol conversion at 150 °C and an unprecedented low hydrogen pressure of 5 bar. Rhodium catalyst, 5%Rh/CsPW, although less active, shows considerable selectivity to 1,3-PDO (7.1%), with 1,2-PDO being the main product (65%).
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Financial support from the EPSRC (EP/E039847) is gratefully acknowledged.
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Alhanash, A., Kozhevnikova, E.F. & Kozhevnikov, I.V. Hydrogenolysis of Glycerol to Propanediol Over Ru: Polyoxometalate Bifunctional Catalyst. Catal Lett 120, 307–311 (2008). https://doi.org/10.1007/s10562-007-9286-3
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DOI: https://doi.org/10.1007/s10562-007-9286-3