High activity of g-C3N4/multiwall carbon nanotube in catalytic ozonation promotes electro-peroxone process
Guo, Zhuang1,2; Cao, Hongbin1; Wang, Yuxian3; Xie, Yongbing1; Xiao, Jiadong1,2; Yang, Jin1; Zhang, Yi1
2018-06-01
发表期刊CHEMOSPHERE
ISSN0045-6535
卷号201页码:206-213
摘要Three kinds of graphitic carbon nitride materials (bulk, porous and nanosheet g-C3N4) were composited with a multiwall carbon nanotube (MWCNT) by a hydrothermal method, and the obtained b-C3N4ICNT, p-C3N4/CNT and n-C3N4/CNT materials were used in the electrodes for electro-peroxone process. It was found that the n-C3N4/CNT composite exhibited the highest efficiency in oxalate degradation, though it performed the worst in the oxygen-reduction reaction for H2O2 production. The n-C3N4/CNT composite exhibited higher activity than CNT and other composites in catalytic ozonation experiments, due to the higher pyrrolic-N content modified on the CNT surface and higher surface area. It also has higher electron transfer ability, which benefited to the electro-reduction of both O-2 and O-3. The result confirmed that catalytic ozonation process was an important means to enhance the degradation efficiency in the electro-peroxone process, besides peroxone process and O-3-electrolysis. (C) 2018 Elsevier Ltd. All rights reserved.
关键词Electro-peroxone Catalytic Ozonation Nanosheet G-c3n4/cnt Hydroxyl Radical
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.chemosphere.2018.02.176
收录类别SCI
语种英语
关键词[WOS]METAL-FREE ELECTROCATALYSTS ; NITRIDE NANOSHEETS ; OXYGEN REDUCTION ; VISIBLE-LIGHT ; ADVANCED OXIDATION ; WATER ; DEGRADATION ; MECHANISM ; GRAPHENE ; G-C3N4
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
项目资助者Beijing Natural Science Foundation(8172043) ; National Science Fund for Distinguished Young Scholars of China(51425405) ; Major Science and Technology Program for Water Pollution Control and Treatment(2015ZX07202013 ; 2017ZX07402001)
WOS记录号WOS:000430895300023
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24421
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Div Environm Technol & Engn, Beijing Engn Res Ctr Proc Pollut Control,Natl Eng, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.China Univ Petr, State Key Lab Heavy Oil Proc, 18 Fuxue Rd, Beijing 102249, Peoples R China
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Guo, Zhuang,Cao, Hongbin,Wang, Yuxian,et al. High activity of g-C3N4/multiwall carbon nanotube in catalytic ozonation promotes electro-peroxone process[J]. CHEMOSPHERE,2018,201:206-213.
APA Guo, Zhuang.,Cao, Hongbin.,Wang, Yuxian.,Xie, Yongbing.,Xiao, Jiadong.,...&Zhang, Yi.(2018).High activity of g-C3N4/multiwall carbon nanotube in catalytic ozonation promotes electro-peroxone process.CHEMOSPHERE,201,206-213.
MLA Guo, Zhuang,et al."High activity of g-C3N4/multiwall carbon nanotube in catalytic ozonation promotes electro-peroxone process".CHEMOSPHERE 201(2018):206-213.
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