Vapour phase hydrogenolysis of glycerol to propanediols over Cu/SBA‐15 catalysts
作者： Mitta Harisekhar , Vanama Pavan Kumar , Samudrala Shanthi Priya , Komandur VR Chary
DOI: 10.1002/JCTB.4728
关键词:
摘要: BACKGROUND Biomass-derived glycerol is emerging as a renewable, cheap and versatile feedstock for the production of variety chemicals fuels. RESULTS Cu catalysts with varying copper loadings ranging from 2.5 to 20 wt% supported on SBA-15 were investigated vapour phase hydrogenolysis propanediols. The dispersion Cu metal area mesoporous was determined by pulse N2O decomposition measurements. X-ray diffraction patterns suggest that presence highly dispersed oxide species at lower (≤5Cu) crystalline CuO higher (≥10 wt% Cu). acidity measured NH3 -TPD method reveals samples increases increase loading up 5 wt% decreases loadings. catalytic functionalities during propanediols are correlated also acidic properties CONCLUSIONS In summary, 5Cu/SBA-15 catalyst found consist support, evidenced XRD, TPR studies. This exhibits high conversion (90%) 84% selectivity 1,2-propanediol. activity results well catalysts. © 2015 Authors. Journal Chemical Technology & Biotechnology published John Wiley Sons Ltd behalf Society Industry.
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