CATALYTIC OXIDATION OF METHANE AT LOW TEMPERATURE OVER Ni-CONTAINING PEROVSKITE-TYPE OXIDES

被引：0
|
作者：
Wu, Yuehui [1 ]
Luo, Laitao [2 ]
Yan, Liushui [1 ]
机构：
[1] Nanchang Hangkong Univ, Dept Mat Chem, Nanchang 330063, Peoples R China
[2] Nanchang Univ, Inst Appl Chem, Nanchang 330069, Peoples R China
来源：
OXIDATION COMMUNICATIONS | 2012年 / 35卷 / 01期
关键词：
nickel-substituted catalyst; perovskite-supported nickel catalyst; catalytic oxidation;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Two types of catalysts with the same nickel loading, nickel-substituted perovskite La0.95Ce0.05Co0.6Ni0.4O3 and perovskite-supported nickel catalyst Ni/La0.95Ce0.05CoO3 were prepared by the combustion and impregnation method, respectively. The catalyst structure was characterised by X-ray diffraction (XRD), BET measurements, temperature-programmed reduction (TPR), and the methane oxidation activity of the catalysts was investigated in details. It was found that the activities of Ni/La0.05Ce0.05CoO3 and of La0.95Ce0.05Co0.6Ni0.4O3 do not change much and decrease sharply compared with La0.95Ce0.03CoO3, respectively. The surface area of the catalysts decreases sharply with the introduction of a large amount of nickel loading or nickel-substituted.
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页码：51 / 57
页数：7
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