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题名: TG study of the dispersion threshold of Mn2O3 on gamma-Al2O3
作者: Liu, J;  Xu, H;  Shen, W;  Pan, X;  Xiang, Y
关键词: dispersion threshold value ;  Mn2O3/gamma-Al2O3 ;  catalyst ;  TG
刊名: JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
发表日期: 1999-11-01
卷: 58, 期:2, 页:309-315
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Mn2O3/gamma-Al2O3 catalysts were prepared by the impregnation method, and the maximum monolayer dispersion capacity or dispersion threshold value of Mn2O3 on the surface of gamma-Al2O3 was determined to be 13.08% from the decomposition mass loss of supported Mn(NO3)(2) in the monolayer state. This was compared with the values estimated from a close-packed monolayer model and an interaction model. It was confirmed that the high activities and selectivities of the catalysts for benzoic acid hydrogenation to benzaldehyde are due to the monolayer dispersion of the Mn2O3 on the surface of gamma-Al2O3.
语种: 英语
WOS记录号: WOS:000084389900009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138613
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, Peoples R China
2.Fudan Univ, Dept Chem, Shanghai 200433, Peoples R China

Recommended Citation:
Liu, J,Xu, H,Shen, W,et al. TG study of the dispersion threshold of Mn2O3 on gamma-Al2O3[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,1999,58(2):309-315.
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