Degradation of tetracycline in water by gas-liquid plasma in conjunction with rGO-TiO2 nanocomposite

doi:10.1088/2058-6272/ac1323

	Degradation of tetracycline in water by gas-liquid plasma in conjunction with rGO-TiO2 nanocomposite
	Liu, Xinghao 1,2,4; Cheng, Cheng 1; Xu, Zimu 2; Hu, Shuheng 2; Shen, Jie 1; Lan, Yan 1; Chu, Paul K.3,5
刊名	PLASMA SCIENCE & TECHNOLOGY
	2021-11-01
卷号	23
关键词	gas-liquid plasma rGO-TiO2 tetracycline degradation mechanism
ISSN号	1009-0630
DOI	10.1088/2058-6272/ac1323
通讯作者	Cheng, Cheng(chengcheng@ipp.ac.cn) ; Hu, Shuheng(shuheng.hu@163.com) ; Chu, Paul K.(paul.chu@cityu.edu.hk)
英文摘要	Tetracycline (TC) is an antibiotic mainly used in livestock production and respiratory infection. Traditional methods are not effective in removing TC from solution. In this study, TC was degraded by gas-liquid plasma in the presence of rGO-TiO2 in solution. The rGO-TiO2 was prepared by modified hummers and hydrothermal method. The electrical and optical properties of the gas-liquid discharge plasma were studied and the produced long-lived reactive species were analyzed by spectrophotometer. The degradation efficiency of TC was improved by 41.4% after plasma treatment for 12 min in presence of 30 mg l(-1) rGO-TiO2 compared to that with plasma alone. The degradation efficiency increased with increasing discharge power, but as the initial concentration was increased from 20 to 80 mg l(-1), the degradation efficiency of TC decreased. The initial pH had no significant effect on the degradation of TC. The intermediate products were determined by UV-vis spectrophotometry and ESI (+)-MS, and the degradation mechanism was analyzed. The reactive species, including O-3, center dot OH, and H2O2, etc., produced in the plasma/catalyst system attracted electron-rich functional groups (amino group, aromatic ring, and double bond). Therefore, the gas-liquid plasma/catalyst system could be an effective and promising method for pharmaceutical wastewater treatment in future.
资助项目	National Natural Science Foundation of China[51777206] ; National Natural Science Foundation of China[51541807] ; Natural Science Foundation of Anhui Province[1908085MA29] ; Natural Science Foundation of Anhui Province[1708085MB47] ; Natural Science Foundation of Anhui Province[1708085MA13] ; Doctoral Fund of Ministry of Education of China[2017M612058] ; Specialized Research Fund for the Doctoral Program of Hefei University of Technology[JZ2016HGBZ0769] ; Chinese Academy of Sciences[DSJJ-14-YY02] ; Science and Technology Cooperation Program between China[2017YFE0115200] ; Hong Kong Research Grants Council (RGC) General Research Funds (GRF)[U 11205617]
WOS关键词	REDUCED GRAPHENE OXIDE ; AQUEOUS-SOLUTION ; WASTE-WATER ; DISCHARGE ; PERFORMANCE ; DECOMPOSITION ; MECHANISM ; ANTIBIOTICS ; COMPOSITES ; GENERATION
WOS研究方向	Physics
语种	英语
出版者	IOP PUBLISHING LTD
WOS记录号	WOS:000695701100001
资助机构	National Natural Science Foundation of China ; Natural Science Foundation of Anhui Province ; Doctoral Fund of Ministry of Education of China ; Specialized Research Fund for the Doctoral Program of Hefei University of Technology ; Chinese Academy of Sciences ; Science and Technology Cooperation Program between China ; Hong Kong Research Grants Council (RGC) General Research Funds (GRF)
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/125315]
专题	中国科学院合肥物质科学研究院
通讯作者	Cheng, Cheng; Hu, Shuheng; Chu, Paul K.
作者单位	1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China 2.Hefei Univ Technol, Sch Resources & Environm Engn, Hefei 230009, Peoples R China 3.City Univ Hong Kong, Dept Phys, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China 4.Cent South Univ, Coll Chem & Chem Engn, Changsha 410083, Peoples R China 5.City Univ Hong Kong, Dept Mat Sci & Engn, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China
推荐引用方式 GB/T 7714	Liu, Xinghao,Cheng, Cheng,Xu, Zimu,et al. Degradation of tetracycline in water by gas-liquid plasma in conjunction with rGO-TiO2 nanocomposite[J]. PLASMA SCIENCE & TECHNOLOGY,2021,23.
APA	Liu, Xinghao.,Cheng, Cheng.,Xu, Zimu.,Hu, Shuheng.,Shen, Jie.,...&Chu, Paul K..(2021).Degradation of tetracycline in water by gas-liquid plasma in conjunction with rGO-TiO2 nanocomposite.PLASMA SCIENCE & TECHNOLOGY,23.
MLA	Liu, Xinghao,et al."Degradation of tetracycline in water by gas-liquid plasma in conjunction with rGO-TiO2 nanocomposite".PLASMA SCIENCE & TECHNOLOGY 23(2021).