Cu2O/TiO2 catalyst was prepared by the modification of TiO2 with Cu(NO3)2 through combined ultrasonic resonance and impregnation method. The samples were characterized by X-ray diffraction (XRD), N2 adsorption-des...Cu2O/TiO2 catalyst was prepared by the modification of TiO2 with Cu(NO3)2 through combined ultrasonic resonance and impregnation method. The samples were characterized by X-ray diffraction (XRD), N2 adsorption-desorption (BET), UV-vis diffuse reflectance spectroscopy (DRS) and X-ray photoelectron spectroscopy (XPS). The catalyst was used for photocatalysis denitrogenation of pyridine in an octane solution under visible light. Pyridine was taken as the probe molecule to study the denitrogenation property of Cu2O/TiO2. The best performance in the photocatalytic denitrogenation of model oil containing pyridine was 85% under the conditions of Cu loading concentration of 0.5 mol/L, calcination temperature of 400 ℃ and calcination time of 5 h.展开更多
基金financially supported by the Science and Technology Project of Fujian Province(Nos.2007J0359,2006F5030,CE0015) Ningde Normal University projects on serving the western coast to the TW strait (No. 2010H103)the National-level College Students’ Innovative Entrepreneurial Training Plan Project of Fujian Normal University (No. 201210394005)
文摘Cu2O/TiO2 catalyst was prepared by the modification of TiO2 with Cu(NO3)2 through combined ultrasonic resonance and impregnation method. The samples were characterized by X-ray diffraction (XRD), N2 adsorption-desorption (BET), UV-vis diffuse reflectance spectroscopy (DRS) and X-ray photoelectron spectroscopy (XPS). The catalyst was used for photocatalysis denitrogenation of pyridine in an octane solution under visible light. Pyridine was taken as the probe molecule to study the denitrogenation property of Cu2O/TiO2. The best performance in the photocatalytic denitrogenation of model oil containing pyridine was 85% under the conditions of Cu loading concentration of 0.5 mol/L, calcination temperature of 400 ℃ and calcination time of 5 h.