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题名: Crystal structure stability and catalytic activity of magnetoplumbite (MP) catalyst doped with Mn and Mg
作者: Teng, Fei1;  Man, Yi1;  Liang, Shuhui1;  Buergen, G.1;  Zhu, Yongfa1;  Han, Wei2;  Xu, Ping2;  Xiong, Guoxing2;  Tian, Zhijian2
通讯作者: 朱永发
关键词: magnetoplumbite (MP) crystal ;  reverse microemulsion ;  structure stability ;  synergetic effect ;  CH4 combustion
刊名: JOURNAL OF NON-CRYSTALLINE SOLIDS
发表日期: 2007-12-15
DOI: 10.1016/j.jnoncrysol.2007.06.069
卷: 353, 期:52-54, 页:4806-4812
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 802
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Materials Science, Ceramics ;  Materials Science, Multidisciplinary
研究领域[WOS]: Materials Science
英文摘要: LaMgxMn1-xAl11O19 catalysts with Magnetoplumbite (MP) structure were prepared by the reverse microemulsion method, where x values were varied in the range of 0-1. The effects of Mn and Mg introductions on crystalline phase compositions, texture and activities of the catalysts were investigated. The catalysts were characterized by XRD, N-2 adsorption, TEM, H-2-TPR, TG-DTA, etc. The results showed that LaMg0.5Mn0.5Al11O19 catalyst had high surface area (40.1 m(2) g(-1)/1200 degrees C 5 h); LaMg0.5Mn0.5Al11O19 catalyst exhibited the high activity for CH4 combustion (T-10 = 470 degrees C, T-90 = 690 degrees C). It was believed that a synergetic effect of Mg and Mn is beneficial to enhance the stability and catalytic activity of the crystals. (c) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: SUBSTITUTED BA-BETA-AL2O3 ;  SINGLE-CRYSTALS ;  CATION VALENCE ;  SURFACE-AREA ;  COMBUSTION ;  HEXAALUMINATE ;  OXIDES ;  OXIDATION ;  METHANE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000252513800025
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/101457
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.Tsing Hua Univ, Dept Chem, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Teng, Fei,Man, Yi,Liang, Shuhui,et al. Crystal structure stability and catalytic activity of magnetoplumbite (MP) catalyst doped with Mn and Mg[J]. JOURNAL OF NON-CRYSTALLINE SOLIDS,2007,353(52-54):4806-4812.
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