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题名: Methane Combustion over Pd/Al2O3 Catalyst: Effect of Calcination Temperature
作者: Gao Diannan1;  Wang Sheng1;  Liu Ying1, 2;  Zhang Chunxi1;  Wang Shudong1
关键词: palladium ;  alumina ;  methane ;  catalytic combustion ;  calcination temperature
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2010-11-01
DOI: 10.3724/SP.J.1088.2010.00417
卷: 31, 期:11, 页:1363-1368
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The effect of calcination temperature for the support and catalyst on the catalytic properties of the Pd/Al2O3 catalyst for lean methane combustion was investigated. The Pd/Al2O3 catalyst was prepared by the impregnation method using Al2O3 support calcined at 500-1 300 degrees C. All catalyst samples were characterized by X-ray diffraction, transmission electron microscopy, surface area measurements, temperature-programmed desorption of NH3, and temperature-programmed oxidation of O-2. Calcination temperature significantly affected the catalyst activity and stability. As the calcination temperature increased, the structure of the support and the amount and intensity of the acid sites changed obviously, and the dispersion of the active component and the interaction between the support and active component decreased. The proper calcination temperature for the Al2O3 support was 1 100 degrees C, and the optimal calcination temperature for the Pd/Al2O3 was 200 degrees C. This catalyst showed high thermal stability and catalytic activity.
关键词[WOS]: PALLADIUM CATALYSTS ;  WATER-VAPOR ;  OXIDATION ;  SUPPORT ;  ALUMINA ;  CO
语种: 英语
WOS记录号: WOS:000287274100010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141942
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Gao Diannan,Wang Sheng,Liu Ying,et al. Methane Combustion over Pd/Al2O3 Catalyst: Effect of Calcination Temperature[J]. CHINESE JOURNAL OF CATALYSIS,2010,31(11):1363-1368.
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