%0 Journal Article %T Sorbitolhydrogenolysistoglycolsbysupportedrutheniumcatalysts %A Inmaculada Murillo Leo %A Manuel Lopez Granados %A Jose Luis Garcia Fierro %A Rafael Mariscal %J ´ß»¯Ñ§±¨ %P 614-621 %D 2014 %R 10.1016/S1872-2067(14)60086-3 %X £¿SupportedRucatalystswerepreparedbywetimpregnationtoevaluatetheroleofdifferentoxidesupports(Al2O3,SiO2,TiO2,ZrO2)insorbitolhydrogenolysistoglycols.X-raydiffraction,transmissionelectronmicroscopy,hydrogenchemisorption,X-rayphotoelectronspectroscopy,andNH3temperature-programmeddesorptionwereusedtocharacterizethecatalysts,whichwereactiveinthehydrogenolysisofsorbitol.ThesupportaffectedboththephysicochemicalpropertiesandcatalyticbehaviorofthesupportedRuparticles.ThecharacterizationresultsrevealedthattheRu/Al2O3catalysthasahighsurfaceacidity,partiallyoxidizedRuspeciesonthesurface,andahighersurfaceRu/Alatomicratio,whichgaveitthehighestselectivityandyieldtoglycols. %K Sorbitol %K Glycols %K Hydrogenolysis %K Ruthenium %K Oxidesupports %U http://www.chxb.cn/CN/abstract/abstract21305.shtml