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题名: Efficient electrochemical incineration of phenol on activated carbon fiber as a new type of particulates
作者: Ma, Lei1, 2;  Sun, Chenglin1;  Ren, Jian1, 2;  Wei, Huangzhao1, 2;  Liu, Peijuan1, 2
关键词: electrochemical oxidation ;  three-dimensional electrode ;  activited carbon fibers ;  reaction mechanism ;  intermediates
刊名: RUSSIAN JOURNAL OF ELECTROCHEMISTRY
发表日期: 2014-06-01
DOI: 10.1134/S1023193514010078
卷: 50, 期:6, 页:569-578
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: The feasibility of activated carbon fibers (ACFs) used as a new type of particle electrodes in 3-dimensional (3D) electrode for the electrochemical degradation of phenol wastewater was investigated for the first time. The surface morphology, textual properties and electrochemical behaviors of ACF were studied by scanning electron microscopy (SEM), N-2-BET sorption and cyclic voltammograms (CVs), respectively. Compared with the commercialized granular activated carbon (GAC), ACF particle electrodes exhibited higher electrochemical oxidation performance on the mineralization of target pollutant. The identification of intermediates indicated most of oxidation products were adsorbed onto the ACFs. The detection of hydrogen peroxide and hydroxyl radicals in the reaction system suggested that the reaction mechanism was direct anodic oxidation of pollutant on ACFs if the cathode did not contact the ACFs. The operative parameters including initial concentration of substrate, applied current density and the initial aqueous pH have been scientifically studied in search of the optimum condition. Based upon the obtained results, the ACFs longevity was tested in solution at pH 2.0, revealing relatively high electrooxidation capacity and long catalyst lifetime of ACFs in acid solution.
关键词[WOS]: 3-DIMENSIONAL ELECTRODE REACTOR ;  DOPED DIAMOND ELECTRODES ;  DYE WASTE-WATER ;  AQUEOUS-SOLUTION ;  ORGANIC POLLUTANTS ;  HYDROXYL RADICALS ;  AZO-DYE ;  OXIDATION ;  REMOVAL ;  DEGRADATION
语种: 英语
WOS记录号: WOS:000337800000010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143198
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 Lablorary Clean Energy, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Ma, Lei,Sun, Chenglin,Ren, Jian,et al. Efficient electrochemical incineration of phenol on activated carbon fiber as a new type of particulates[J]. RUSSIAN JOURNAL OF ELECTROCHEMISTRY,2014,50(6):569-578.
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