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標題: Supported vanadium oxide catalysts in selective oxidation of ethanol: Comparison of TiO2/SiO2 and ZrO2/SiO2 as supports
作者: Lin, Y.C.
Chang, C.H.
Chen, C.C.
Jehng, J.M.
Shyu, S.G.
關鍵字: vanadia;titania;zirconia;silica;selective oxidation;ethanol;temperature methanol synthesis;structural characteristics;v2o5/tio2/sio2 catalysts;metal-oxides;silica;dehydrogenation;acetaldehyde;reactivity;mechanism;alkoxides
Project: Catalysis Communications
期刊/報告no:: Catalysis Communications, Volume 9, Issue 5, Page(s) 675-679.
Highly dispersed vanadia supported on TiO2/SiO2 and ZrO2/SiO2 were synthesized through the grafting method. The physical and chemical properties were investigated by nitrogen adsorption/desorption, X-ray diffraction, H-2 temperature programmed reduction, and temperature programmed desorption. Moreover, their performances in selective oxidation of ethanol were evaluated. With almost identical vanadia loading, VOx/ZrO2/SiO2 exhibits better catalytic behaviors than that of VOx/TiO2/SiO2. This can be attributed to the nature of enhanced support. (c) 2007 Elsevier B.V. All rights reserved.
ISSN: 1566-7367
DOI: 10.1016/j.catcom.2007.08.002
Appears in Collections:化學工程學系所

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