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学科主题: 物理化学
题名: Indirect electrochemical oxidation of pentachlorophenol in the presence of different halides: behavior and mechanism
作者: Ma, Lei1, 2;  Yu, Bo1;  Yu, Yonghui1;  Li, Jingmei1;  Ren, Jian1, 2;  Wei, Huangzhao1, 2;  Sun, Chenglin1
通讯作者: 孙承林
关键词: Indirect electrooxidation ;  Pentachlorophenol ;  Dechlorination efficiency ;  Temperature ;  Halide
刊名: DESALINATION AND WATER TREATMENT
发表日期: 2014-02-23
DOI: 10.1080/19443994.2013.785369
卷: 52, 期:7-9, 页:1462-1471
收录类别: SCI
合作性质: 
文章类型: Article
部门归属: DNL09
项目归属: DNL0902
产权排名: 待补充
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Engineering, Chemical ;  Water Resources
资助者: 1,1
研究领域[WOS]: Engineering ;  Water Resources
英文摘要: Indirect electrochemical oxidation (EO) of pentachlorophenol (PCP) wastewater was carried out in the presence of different halides through the electrogeneration of active halide (AH). The EO effect and electrochemical behaviors of PCP under different conditions are present in this paper. The cyclic voltammetry (CV) curves indicated higher electrogeneration efficiency of active halogen in NaBr solution. Chronoamperometric response proved the formation of passivating polymer on anode surface. The conversion rate of PCP was distinctly different for different halides following the order Br->Cl->F->I-. The proper oxidation potential of Br- to active bromine led to the optimal electrooxidation effect of Br-. With the rise of temperature the reaction rate decreased at first from 30 to 45 degrees C and then increased from 45 to 60 degrees C. The complicated variation of PCP conversion on rising temperature was depicted by the electrochemical measurements and a mathematic model.
关键词[WOS]: WASTE-WATER TREATMENT ;  GRANULAR ACTIVATED CARBON ;  DESORPTION CHARACTERISTICS ;  CHLORINATED PHENOLS ;  ORGANIC POLLUTANTS ;  CYCLIC VOLTAMMETRY ;  ANODIC-OXIDATION ;  AQUEOUS-SOLUTION ;  ELECTRODE ;  DEGRADATION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000331695700027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119412
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, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Ma, Lei,Yu, Bo,Yu, Yonghui,et al. Indirect electrochemical oxidation of pentachlorophenol in the presence of different halides: behavior and mechanism[J]. DESALINATION AND WATER TREATMENT,2014,52(7-9):1462-1471.
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