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Citation: LI Yong-Xin, GUO Yu-Hua, JI Yong-Qiang. Catalytic Activity of M/(M )_y(CeO₂)_1－y (M=Ni, Co, Cu) Catalysts for Methane Combustion[J]. Acta Physico-Chimica Sinica, ;2005, 21(05): 468-473. doi: 10.3866/PKU.WHXB20050502 shu

Catalytic Activity of M/(M )_y(CeO₂)_1－y (M=Ni, Co, Cu) Catalysts for Methane Combustion

1.
Key Laboratory of Natural Gas Conversion of Ningxia, Ningxia University, Yinchuan 750021

Received Date: 8 September 2004
Available Online: 15 May 2005

A sol-gel method was employed to prepare M/(M )_y(CeO₂)_1－y (M=Ni, Co, Cu) catalyst for methane combustion. The relationship between the catalytic activity of Ni/(M )_y(CeO₂)_1－y and the content of Ce was studied. Ni/(M )_0.9(CeO₂)_0.1 was found to have the highest catalytic activity and the best thermal stability. The effect of the activity of M/(M )_0.9(CeO₂)_0.1 (M=Ni, Co, Cu) on combustion of methane was investigated. Cu/(M )_0.9(CeO₂)_0.1 had the highest activity, but was sintered after second evaluation. The catalytic activity of Ni/(M )_0.9(CeO₂)_0.1 catalyst was similar to that of Cu/(M )_0.9(CeO₂)_0.1 catalyst and Ni/(M )_0.9(CeO₂)_0.1 catalyst had the best thermal stability. Co/(M )_0.9(CeO₂)_0.1 catalyst exhibited the lowest activity and a mediate stability, it retained a large specific surface area after second evaluation. Ni/(M )_0.9(CeO₂)_0.1 catalyst calcined at 1000 ℃ still had a specific surface area of 14.32 m2•g^－1 and high catalytic activity as well as od thermal stability.
- Methane; Catalytic combustion; (M )_y(CeO₂)_1－y support; Ni, Cu, Co active component
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Catalytic Activity of M/(M )y(CeO2)1－y (M=Ni, Co, Cu) Catalysts for Methane Combustion

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通讯作者: 陈斌, bchen63@163.com

Catalytic Activity of M/(M )_y(CeO₂)_1－y (M=Ni, Co, Cu) Catalysts for Methane Combustion