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题名: Catalytic oxidation of chlorobenzene on supported manganese oxide catalysts
作者: Liu, Y;  Luo, MF;  Wei, ZB;  Xin, Q;  Ying, PL;  Li, C
关键词: MnO(x)/TiO(2) catalysts ;  chlorobenzene ;  complete catalytic oxidation ;  TPR ;  dioxins
刊名: APPLIED CATALYSIS B-ENVIRONMENTAL
发表日期: 2001
卷: 29, 期:1, 页:61-67
收录类别: SCI
文章类型: Article
部门归属: 5060
项目归属: 503
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Engineering, Environmental ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Total oxidation of chlorinated aromatics on supported manganese oxide catalysts was investigated. The catalysts have been prepared by wet impregnation method and characterized by XRD and TPR. Among the catalysts with the supports of TiO(2), Al(2)O(3) and SiO(2), titania supported catalyst (MnO(x)/TiO(2)) gives the highest catalytic activity. MnO(x)/TiO(2) (Mn loading, 1.9 wt.%) shows the total oxidation of chlorobenzene at about 400 degreesC. The activity can be stable for over 82 h except for the first few hours. At lower Mn loadings for MnO(x)/TiO(2), only one reduction peak appears at about 400 degreesC due to the highly dispersed manganese oxide. With the increase of Mn loading, another reduction peak emerges at about 500 degreesC, which is close to the reduction peak of bulk Mn(2)O(3) at 520 degreesC. TPR of the used catalyst is totally different from that of the fresh one indicating that the chemical state of the active species is changed during the chlorobenzene oxidation. The characterization studies of MnO(x)/TiO(2) showed that the highly dispersed MnO(x) is the precursor of the active phase, which can be converted into the active phase, mainly oxychlorinated manganese (MnO(y)Cl(z)), under working conditions of chlorobenzene oxidation. (C) 2001 Elsevier Science B.V. All rights reserved.
关键词[WOS]: CHLORINATED HYDROCARBONS ;  SURFACE CHARACTERIZATION ;  ORGANIC-COMPOUNDS ;  CARBON-MONOXIDE ;  NITRIC-OXIDE ;  DECOMPOSITION ;  COMBUSTION ;  AMMONIA ;  COPPER ;  AIR
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000166327600006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/91967
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, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Liu, Y,Luo, MF,Wei, ZB,et al. Catalytic oxidation of chlorobenzene on supported manganese oxide catalysts[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2001,29(1):61-67.
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