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题名: Oxidative destruction of chlorobenzene and o-dichlorobenzene on a highly active catalyst: MnOx/TiO2-Al2O3
作者: Liu, Y;  Wei, ZB;  Feng, ZC;  Luo, MF;  Ying, PL;  Li, C
关键词: PCDD/PCDF ;  chlorobenzene ;  o-dichlorobenzene ;  oxidation ;  supported manganese oxide catalyst ;  TiO2-modified Al2O3 supports ;  TPR
刊名: JOURNAL OF CATALYSIS
发表日期: 2001-08-15
DOI: 10.1006/jcat.2001.3284
卷: 202, 期:1, 页:200-204
收录类别: SCI
文章类型: Article
部门归属: 5077
项目归属: 503
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: A highly active catalyst, MnOx/TiO2-Al2O3, was prepared by impregnating MnOx species on TiO2-modified Al2O3. The TiO2 species in TiO2-Al2O3 support is in a monolayer dispersion, and the MnOx species is again highly dispersed on TiO2-Al2O3 Support. The total oxidation of chlorobenzene and o-dichlorobenzene on MnOx/TiO2-Al2O3 catalyst can be achieved at 300 degreesC and 250 degreesC respectively, at the space velocity of 8000 h(-1). The activity of MnOx/TiO2-Al2O3 catalyst (Mn loading 11.2 wt%) is gradually increased in the first 10-20 h and then keeps stable at least for the measured 52 h at 16,000 h(-1). Furthermore, no chlorinated organic byproducts are detected in the effluent during the oxidative destruction of chlorobenzene and o-dichlorobenzene. It is proposed that the partially chlorinated and highly dispersed manganese oxide on a monolayer TiO2-modified Al2O3 is responsible for the high and stable activity for the total oxidation of chlorinated aromatics. (C) 2001 Academic Press.
关键词[WOS]: RAY PHOTOELECTRON-SPECTROSCOPY ;  MANGANESE OXIDE CATALYSTS ;  ORGANIC-COMPOUNDS ;  PHOTOCATALYTIC DEGRADATION ;  POLYCHLORINATED-BIPHENYLS ;  4-CHLOROBENZOIC ACID ;  CHEMICAL-STATE ;  1,2-DICHLOROBENZENE ;  HYDRODECHLORINATION ;  DECOMPOSITION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000170493800021
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/91279
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,Wei, ZB,Feng, ZC,et al. Oxidative destruction of chlorobenzene and o-dichlorobenzene on a highly active catalyst: MnOx/TiO2-Al2O3[J]. JOURNAL OF CATALYSIS,2001,202(1):200-204.
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