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Reinforced As(III) oxidation by the in-situ electro-generated hydrogen peroxide on MoS2 ultrathin nanosheets modified carbon felt in alkaline media
Xue, Yudong; Zheng, Shili; Zhang, Yi; Jin, Wei
2017
Conference Name10th International Symposium on Electrochemical Impedance Spectroscopy (EIS)
Source PublicationArticle; Proceedings Paper
Volume252
Pages245
Conference DateJUN 19-24, 2016
Conference PlaceGalicia, SPAIN
Abstract

Environmental conversion of As(III) to less toxic As(V) is a critical step for the arsenic pollution remediation. In the present study, MoS2 ultrathin nanosheets modified carbon felt electrode is fabricated by a facile hydrothermal method and employed as the two-electron oxygen reduction reaction (ORR) cathode for the As(III) oxidation in alkaline media. Due to the rich Mo-O bonds at MoS2 ultrathin nanosheets, the two-electron ORR catalytic property, electrical conductivity and hydrophilic behavior are significantly enhanced. Besides, As(III) can be efficiently conversed via adsorption-oxidation scheme on the modified layer, and there is good stability on the MoS2 modified electrode during the electrooxidation process. This MoS2 modified carbon felt can be presented as a cost-effective cathode for the electroperoxidation process and provided further understanding for the environmental remediation in alkaline media. (C) 2017 Elsevier Ltd. All rights reserved.

KeywordMos2 Nanosheets Oxygen Reduction Reaction Heavy Metal Remediation Nitrogen-doped Carbon Oxygen Reduction Square-wave Voltammetry Arsenic Oxidation Catalytic-oxidation Alkaline Media Redox Conversion Nanotube Arrays Graphene Oxide Fenton Process Scr Catalyst Performance
DOI10.1016/j.electacta.2017.08.191
WOS IDWOS:000413009800029
Citation statistics
Document Type会议论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/28959
Collection中国科学院过程工程研究所
Recommended Citation
GB/T 7714
Xue, Yudong,Zheng, Shili,Zhang, Yi,et al. Reinforced As(III) oxidation by the in-situ electro-generated hydrogen peroxide on MoS2 ultrathin nanosheets modified carbon felt in alkaline media[C],2017:245.
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