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3076217 
Journal Article 
Effect of Calcination Temperature of Cu-Mn/gamma-Al2O3 Catalysts on Performance for Catalytic Oxidation of Toluene 
Zheng Yi-Fan; Zhong Shu-Bin; Lv De-Yi; Zhou Huan; Huan Chang-Yong 
2015 
1 
Wuji Cailiao Xuebao
ISSN: 1000-324X 
30 
7 
694-698 
WOS:000358633800003 
Cu-Mn/gamma-Al2O3 catalysts were prepared by impregnation method and calcined at different temperatures (300-600 degrees C), which were characterized by XRD, BET, H-2-TPR and XPS. Their performances for catalytic oxidation of toluene were evaluated in a fixed-bed tubular reactor, and the correlation of catalytic activity with active phases or mole ratios of both Cu+/(Cu++Cu2+) and Mn4+/(Mn4++Mn3+) was discussed. Among all catalysts, the Cu-Mn/gamma-Al2O3 catalyst calcined at 550 degrees C shows the best catalytic activity, with a lowest reaction temperature (T-95 is 286 degrees C) and 100% selectivity of CO2. The generation of new phase (Cu1.4Mn1.6O4) and more amount of Cu+ and Mn4+ ions present on the surface of the catalyst calcined at 550 degrees C are responsible for its high activity. 
copper-manganese oxide; catalytic oxidation; toluene; calcination temperature