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Liquid-phase hydrodechlorination of chlorinated benzenes over active carbon supported nickel catalysts under mild conditions
Wu, WH; Xu, H
刊名CATALYSIS COMMUNICATIONS
2004-10-01
DOI10.1016/j.catcom.2004.07.013
5期:10页:591-595
收录类别SCI ; CCR
文章类型Article
项目归属204
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]NOBLE-METAL CATALYSTS ; CHLOROBENZENE ; HYDRODEHALOGENATION ; PALLADIUM ; 1,2,4-TRICHLOROBENZENE ; DECHLORINATION ; AROMATICS
英文摘要Liquid phase hydrodechlorination of chlorinated benzenes was studied over Ni/active carbon (Ni/AC), Ni/gamma-Al2O3, Ni/SiO2 and Raney Ni. The complete dechlorination of chlorobenzene (ClBz) was realized at 333-343 K on Ni/AC under hydrogen atmosphere of 1.0 MPa in the presence of alkaline hydroxide. Dichloro- and trichlorobenzenes were also hydrodechlorinated with 50-95% yields of benzene under the similar conditions, as above. The reaction follows zero-order to ClBz concentration and 1.9 order to hydrogen pressure. The reaction does not proceed in the absence of alkaline hydroxide, suggesting the complete coverage of active nickel surface with produced chlorine and the removal of the chlorine ion with hydroxide ion as a rate-limiting step. The active catalysts were characterized by H-2 chemisorption and transmission electron microscopy techniques. The apparent activity strongly depends on the active area of nickel on catalyst surface. (C) 2004 Published by Elsevier B.V.
语种英语
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WOS记录号WOS:000224400000006
引用统计
被引频次:30[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/321008/82107
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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Wu, WH,Xu, H. Liquid-phase hydrodechlorination of chlorinated benzenes over active carbon supported nickel catalysts under mild conditions[J]. CATALYSIS COMMUNICATIONS,2004,5(10):591-595.
APA Wu, WH,&Xu, H.(2004).Liquid-phase hydrodechlorination of chlorinated benzenes over active carbon supported nickel catalysts under mild conditions.CATALYSIS COMMUNICATIONS,5(10),591-595.
MLA Wu, WH,et al."Liquid-phase hydrodechlorination of chlorinated benzenes over active carbon supported nickel catalysts under mild conditions".CATALYSIS COMMUNICATIONS 5.10(2004):591-595.
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