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|標題:||Comparison of alcohol and alkane oxidative dehydrogenation reactions over supported vanadium oxide catalysts: in situ infrared, Raman and UV-vis spectroscopic studies of surface alkoxide intermediates and of their surface chemistry||作者:||Resini, C.
|關鍵字:||isopropoxy group;UV-vis spectroscopic measurement;surface vanadium;oxide species;FT-IR spectroscopy;Raman spectroscopy;oxidative;dehydrogenation;nir diffuse-reflectance;molecular-structures;selective oxidation;metal-oxides;methanol oxidation;propane oxidation;titania catalysts;active-sites;ft-ir;adsorption||Project:||Catalysis Today||期刊/報告no：:||Catalysis Today, Volume 99, Issue 1-2, Page(s) 105-114.||摘要:||
The surface chemistry of adsorbed isopropoxy groups on supported vanadia-alumina and vanadia-silica catalysts was investigated with multiple in situ spectroscopic techniques. The in situ FT-IR, Raman and UV-vis spectroscopic measurements provided molecular level information about the surface intermediates and the surface vanadium oxide species as a function of different conditions. The spectroscopic insights were compared to the steady state fixed bed catalytic reaction studies of isopropanol oxidation and propane oxidative dehydrogenation in order to better understand the molecular structure-reactivity/selectivity relationships. (c) 2004 Elsevier B.V. All rights reserved.
|Appears in Collections:||化學工程學系所|
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