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Catalytic oxidation of chlorobenzene on supported manganese oxide catalysts
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
2001
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
关键词[WOS]CHLORINATED HYDROCARBONS ; SURFACE CHARACTERIZATION ; ORGANIC-COMPOUNDS ; CARBON-MONOXIDE ; NITRIC-OXIDE ; DECOMPOSITION ; COMBUSTION ; AMMONIA ; COPPER ; AIR
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.
语种英语
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WOS记录号WOS:000166327600006
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被引频次:137[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/91967
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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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.
APA Liu, Y,Luo, MF,Wei, ZB,Xin, Q,Ying, PL,&Li, C.(2001).Catalytic oxidation of chlorobenzene on supported manganese oxide catalysts.APPLIED CATALYSIS B-ENVIRONMENTAL,29(1),61-67.
MLA Liu, Y,et al."Catalytic oxidation of chlorobenzene on supported manganese oxide catalysts".APPLIED CATALYSIS B-ENVIRONMENTAL 29.1(2001):61-67.
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