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题名: The Pd-catalyzed hydrodechlorination of chlorophenols in aqueous solutions under mild conditions: A promising approach to practical use in wastewater
作者: Xia, Chuanhai1;  Liu, Ying1;  Zhou, Shiwei1;  Yang, Cuiyun1;  Liu, Sujing1;  Xu, Jie2;  Yu, Junbao1;  Chen, Jiping2;  Liang, Xinmiao2
通讯作者: Chuanhai Xia
关键词: Catalytic hydrodechlorination ;  Pd/C ;  Chlorophenols ;  Aqueous solutions ;  Solvent effect
刊名: JOURNAL OF HAZARDOUS MATERIALS
发表日期: 2009-09-30
DOI: 10.1016/j.jhazmat.2009.04.043
卷: 169, 期:1-3, 页:1029-1033
收录类别: SCI
文章类型: Article
部门归属: 2,1,18
项目归属: 204,103,1803
产权排名: 2;6
WOS标题词: Science & Technology ;  Technology ;  Life Sciences & Biomedicine
类目[WOS]: Engineering, Environmental ;  Engineering, Civil ;  Environmental Sciences
研究领域[WOS]: Engineering ;  Environmental Sciences & Ecology
英文摘要: Catalytic hydrotreating of chlorophenols was carried out in water with Pd/C at 25 degrees C under atmospheric pressure. 1.0% (w/w) monocholophenols was completely dechlorinated within 60 min. Phenol, cyclohexanone and cyclohexanol were formed. In contrast to the dechlorination of monochlorophenols, the hydrogenation reaction of polychlorinated phenols became difficult and reaction rates were strongly dependent upon the number of the chlorine atoms. The solvent property had a considerably important influence on the dechlorination reaction. Water as a solvent showed more advantages than organic solvents. It was much easier to be hydrodechlorinated for chlorophenols in aqueous solutions. However, the presence of THF, dioxane, DMSO or DMF in water was disadvantageous to the reaction and easily to cause Pd/C deactivation. Additionally, when different halogenated organic compounds were present in aqueous solution, the dehalogenation reaction was the competitive hydrogenation process. (c) 2009 Elsevier B.V. All rights reserved.
关键词[WOS]: LIQUID-PHASE HYDRODECHLORINATION ;  RANEY-NICKEL CATALYST ;  PALLADIUM CATALYSTS ;  FLY-ASH ;  DECHLORINATION ;  HYDROGENATION ;  HYDRODEHALOGENATION ;  SOLVENT ;  DESTRUCTION ;  KINETICS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000268967200142
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/102503
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.CAS, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Peoples R China
2.CAS, Dalian Inst Chem Phys, Dalian 116021, Peoples R China

Recommended Citation:
Xia, Chuanhai,Liu, Ying,Zhou, Shiwei,et al. The Pd-catalyzed hydrodechlorination of chlorophenols in aqueous solutions under mild conditions: A promising approach to practical use in wastewater[J]. JOURNAL OF HAZARDOUS MATERIALS,2009,169(1-3):1029-1033.
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