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Citation: Liang Zhencheng, Qin Yongning, Liao Qiaoli, Qiao Guandong, Qi Xiaozhou. Properties of Perovskite-Type La_1-xCu_xMnO₃ Catalysts[J]. Chinese Journal of Applied Chemistry, ;1997, 14(1): 11-15. shu

Properties of Perovskite-Type La_1-xCu_xMnO₃ Catalysts

1.
Department of Chemical Engineering, Tianjin University, Tianjin 300072

Received Date: 18 March 1996
Available Online: 26 August 1996
Fund Project:

The catalytic properties of La_1-xCu_xMnO₃ perovskite-type catalysts prepared by coprecipitation have been studied by means of XRD, TPR, TEM, SEM, EMPA, activity evaluation and etc. The results reveal that the activation energy of La_1-xCu_xMnO₃ catalysts decreases with the increase of x from 0 to 0.6 and the activity of the catalysts for CO and CH₄ oxidation has a maximum point (for CO oxidation x=0.4 and for CH₄ oxidation x=0.2). It is considered that the above behaviour is caused by the increase of lattice defects and chemical potential of lattice oxygen in catalysts with the increase of x.
- perovskite-type catalyst,
- property,
- copper substitution,
- catalytic oxidation,
- catalytic activity
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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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Properties of Perovskite-Type La1-xCuxMnO3 Catalysts

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通讯作者: 陈斌, bchen63@163.com

Properties of Perovskite-Type La_1-xCu_xMnO₃ Catalysts