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Wenrui Zhang,Aidong Tang,Dabin Ren,Hui Xiang,Zhiqiang Yu,Guoying Sheng,Jiamo Fu 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2015 NANO Vol.10 No.5
The influence of structure of MnOx/TiO2 catalysts and their catalytic oxidation of o-dichlorobenzene were examined in this study. MnOx/TiO2 catalysts were characterized by X-ray diffractometer (XRD), thermogravimetry-differential thermal analysis (TG-DTA), TEM, X-ray photoelectron spectrum (XPS) and FTIR for NH3 adsorption techniques. Experimental results indicated that the MnOx/TiO2 catalyst prepared from manganese nitrate possessed the highest catalytic activity with a gas hourly space velocity (GHSV) of 14,500 h-1. This activity may be due to a large amount of surface Mn2O3 species, the strong Brönsted and Lewis acidity and the combined TiO2 phases. Additionally, a possible reaction model from o-dichlorobenzene oxidation over MnOx/TiO2 catalyst was suggested based on the analysis.