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Enxian Yuan,Chan Wu,Guozhu Liu,Guozhu Liu,Li Wang 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.66 No.-
A series of SBA-15 mesoporous silicas with pore sizes ranging between 7 and 26 nm were synthesized and modified by incorporating Al or Mg and functionalization with n-dodecyltrimethoxysilane. Pd/SBA-15 catalysts were prepared and the effects of the pore structure, Al/Mg modifiers and Pd particles distribution on 2-ethyl-anthraquinone hydrogenation have been studied. The catalytic performance improves with enlarging SBA-15 pore size and reaches a plateau at 22.3 nm. The incorporation of Mg into SBA-15 increases the catalytic performance of catalysts. But, the incorporation of Al brings about opposite results. The functionalization of SBA-15 with n-dodecyltrimethoxysilane further enhances the catalytic performance.