Citation: YANG Zhi-Qiang, MAO Dong-Sen, WU Ren-Chun, YU Jun, WANG Qian. Preparation of CuO-Ce_0.6Zr_0.4O₂ by Microwave Heating Decomposition and Its Catalytic Property for CO Oxidation[J]. Acta Physico-Chimica Sinica, ;2011, 27(05): 1163-1168. doi: 10.3866/PKU.WHXB20110443 shu

Preparation of CuO-Ce_0.6Zr_0.4O₂ by Microwave Heating Decomposition and Its Catalytic Property for CO Oxidation

1.
School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 200235, P. R. China

Received Date: 22 December 2010
Available Online: 22 March 2011
Fund Project: 上海市教委重点学科建设项目(J51503)资助 (J51503)

A series of CuO-Ce_0.6Zr_0.4O₂ catalysts with different contents (0-25%, w) of CuO were prepared by microwave heating decomposition and characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), N₂ adsorption-desorption (BET), and temperature-programmed reduction with hydrogen (H₂-TPR). The activities of the catalysts for CO oxidation were evaluated using a microreactor-gas chromatograph system. The results show that the CuO-Ce_0.6Zr_0.4O₂ catalyst exhibits the best catalytic activity for CO oxidation at a CuO content of 15%. Three copper species are present in the catalysts, i.e., highly dispersed, small and large CuO particles. The highly dispersed and small CuO particles are responsible for the promotion of catalytic activity while the large CuO particles inhibit catalytic activity.
- Microwave heating,
- Cu(NH₃)₄(OH)₂,
- CuO-Ce_0.6Zr_0.4O₂ catalyst,
- CO oxidation
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沈阳化工大学材料科学与工程学院沈阳 110142

Preparation of CuO-Ce0.6Zr0.4O2 by Microwave Heating Decomposition and Its Catalytic Property for CO Oxidation

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通讯作者: 陈斌, bchen63@163.com

Preparation of CuO-Ce_0.6Zr_0.4O₂ by Microwave Heating Decomposition and Its Catalytic Property for CO Oxidation