Ni/TiO2-SiO2上光催化重整葡萄糖以低CO选择性制H2R.M.MOHAMED,Elham S.AAZAM

催化学报 , 2012, 33(2): 247-253. doi: 10.1016/S1872-2067(10)60276-8

Ni/TiO2-SiO2上光催化重整葡萄糖以低CO选择性制H2R.M.MOHAMED,Elham S.AAZAM

^1, , ^2,

1.Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, King Saudi Arabia ;Nanostructured Materials Division, Advanced Materials Department, Central Metallurgical R&D Institute, Helwan 11421, Cairo, Egypt ;Center of Excellence in Environmental Studies, King Abdulaziz University, P.O. Box 80216, Jeddah 21589, Saudi Arabia

2.Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, King Saudi Arabia

基金项目: The authors,therefore,acknowledge with thanks DSR technical and financial support This paper was funded by the Deanship of Scientific Research (DSR),King Abdulaziz University,Jeddah,under grant number(210-247/431)

H2 Production with Low CO Selectivity from Photocatalytic Reforming of Glucose on Ni/TiO2-SiO2

R. M. MOHAMED ^1, , Elham S. AAZAM ^2,

2.Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, King Saudi Arabia

Keywords： titanium dioxide

Nano-sized Ni particles on TiO2-SiO2 were synthesized by the two methods of photo-assisted deposition (PAD) and impregnation.H2,which is a promising energy carrier,with a low CO concentration was produced by the photocatalytic reforming of glucose (a model biomass) on the Ni/TiO2-SiO2 catalyst.The supported Ni enhanced the rate of H2 production while it suppressed CO selectivity.The catalysts were characterized by X-ray diffraction,X-ray absorption fine structure,transmission electron microscope,and nitrogen adsorption analysis.Both H2 production and CO selectivity were strongly dependent on the preparation method,and PAD-Ni/TiO2-SiO2 was the better catalyst for H2 production with the lowest CO concentration.

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