%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