01327nas a2200181   4500008004100000245007000041210006800111260000800179300001200187490000800199520078500207100001300992700002901005700002301034700001501057700001901072856005401091       2017                        eng d00aHydrogenolysis of sorbitol over Ni, Pt and Ru supported on SBA-150 aHydrogenolysis of sorbitol over Ni Pt and Ru supported on SBA15  cFEB  a226-2310 v56 3 aHydrogenolysis of sorbitol (15% aqueous solution) has been carried out in a batch reactor over Ni (6 wt%), Pt (1 wt%) and Ru (1 wt%) supported on SBA-15 and carbon coated SBA-15 (SBA-15(C)). For comparison, the three metals have also been supported on activated carbon (AC). The catalysts are characterized by XRD, N-2 and H-2 adsorption measurements. Addition of Ca(OH)(2) to the reaction mixture increases conversion and selectivity for the dihydroxy compounds, 1,2-propanediol (PD) and ethylene glycol (EG). Based on yield of dihydric alcohols (PD+EG), the performance of the catalysts at 220 degrees C and 60 bar in the presence of Ca(OH)(2) is in the order: Ru-AC similar to Ru-SBA-15(C) > Ru-SBA-15 similar to Ni-SBA-15, the yields being 40, 39, 31 and 29 wt%, respectively.1 aBanu, M.1 aSankaranarayanan, T., M.1 aVenuvanalingam, P.1 aMagesh, G.1 aSivasanker, S.  uhttp://nopr.niscair.res.in/handle/123456789/40903