Heterogeneous activation of peroxymonosulfate by a biochar-supported Co3O4 composite for efficient degradation of chloramphenicols

doi:10.1016/j.envpol.2019.113610

CORC > 烟台海岸带研究所 > 中国科学院烟台海岸带研究所 > 海岸带生物学与生物资源利用重点实验室 > 海岸带生物学与生物资源利用所重点实验室

	Heterogeneous activation of peroxymonosulfate by a biochar-supported Co3O4 composite for efficient degradation of chloramphenicols
	Xu, HD ; Zhang, YC ; Li, JJ ; Hao, QQ ; Li, X ; Liu, FH
刊名	ENVIRONMENTAL POLLUTION
	2020-02
卷号	257 页码:113610
关键词	Co3O4-BC Peroxymonosulfate Chloramphenicols Sulfate radical
ISSN号	0269-7491
DOI	10.1016/j.envpol.2019.113610
产权排序	[Xu, Hengduo ; Zhang, Yuechao ; Li, Jiajia ; Hao, Qinqin ; Li, Xin ; Liu, Fanghua] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Utilizat, Yantai 264003, Shandong, Peoples R China ; [Xu, Hengduo ; Liu, Fanghua] Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Biol & Biotechnol, Qingdao 266237, Peoples R China ; [Xu, Hengduo ; Liu, Fanghua] Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China ; [Xu, Hengduo] Jiangnan Univ, Jiangsu Key Lab Anaerob Biotechnol, Wuxi 214122, Jiangsu, Peoples R China ; [Zhang, Yuechao ; Li, Jiajia ; Hao, Qinqin ; Li, Xin] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
文献子类	Article
英文摘要	Herein, a new peroxymonosulfate (PMS) activation system was established using a biochar (BC)-supported Co3O4 composite (Co3O4-BC) as a catalyst to enhance chloramphenicols degradation. The effects of the amount of Co3O4 load on the BC, Co3O4-BC amount, PMS dose and solution pH on the degradation of chloramphenicol (CAP) were investigated. The results showed that the BC support could well disperse Co3O4 particles. The degradation of CAP (30 mg/L) was enhanced in the Co3O4-BC/PMS system with the apparent degradation rate constant increased to 5.1, 19.4 and 7.2 times of that in the Co3O4/PMS, BC/PMS and PMS-alone control systems, respectively. Nearly complete removal of CAP was achieved in the Co3O4-BC/PMS system under the optimum conditions of 10 wt% Co3O4 loading on BC, 0.2 g/L. Co3O4-BC, 10 mM PMS and pH 7 within 10 min. The Co3O4/BC composites had a synergistic effect on the catalytic activity possibly because the conducting BC promoted electron transfer between the Co species and HSO5- and thus accelerated the Co3+/Co(2+)redox cycle. Additionally, over 85.0 +/- 1.5% of CAP was still removed in the 10th run. Although both SO4 center dot- and OH center dot were identified as the main active species, SO4 center dot- played a dominant role in CAP degradation. In addition, two other chloramphenicols, i.e., florfenicol (FF) and thiamphenicol (TAP), were also effectively degraded with percentages of 86.4 +/- 13% and 71.8 +/- 1.0%, respectively. This study provides a promising catalyst Co3O4-BC to activate PMS for efficient and persistent antibiotics degradation. (C) 2019 Elsevier Ltd. All rights reserved.
WOS关键词	CATALYZED PEROXYMONOSULFATE ; WASTE-WATER ; SELECTIVE DEGRADATION ; PHENOLIC-COMPOUNDS ; RESISTANCE GENES ; BISPHENOL-A ; POLLUTANTS ; PERSULFATE ; OXIDATION ; SYSTEM
WOS研究方向	Environmental Sciences
语种	英语
WOS记录号	WOS:000514746800110
资助机构	Natural Science Foundation of ChinaNational Natural Science Foundation of China [51908542, 91751112, 41573071] ; Postdoctoral Science of China [2018M632735] ; Open Fund of Jiangsu Key Laboratory of Anaerobic Biotechnology (Jiangnan University) [JKLAB201705] ; Shandong Provincial Natural Science FoundationNatural Science Foundation of Shandong Province [JQ201608] ; Young Taishan Scholars Program [tsqn20161054]
内容类型	期刊论文
源URL	[http://ir.yic.ac.cn/handle/133337/24759]
专题	烟台海岸带研究所_海岸带生物学与生物资源利用所重点实验室
作者单位	1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Utilizat, Yantai 264003, Shandong, Peoples R China; 2.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Biol & Biotechnol, Qingdao 266237, Peoples R China; 3.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China; 4.Jiangnan Univ, Jiangsu Key Lab Anaerob Biotechnol, Wuxi 214122, Jiangsu, Peoples R China; 5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Xu, HD,Zhang, YC,Li, JJ,et al. Heterogeneous activation of peroxymonosulfate by a biochar-supported Co3O4 composite for efficient degradation of chloramphenicols[J]. ENVIRONMENTAL POLLUTION,2020,257:113610.
APA	Xu, HD,Zhang, YC,Li, JJ,Hao, QQ,Li, X,&Liu, FH.(2020).Heterogeneous activation of peroxymonosulfate by a biochar-supported Co3O4 composite for efficient degradation of chloramphenicols.ENVIRONMENTAL POLLUTION,257,113610.
MLA	Xu, HD,et al."Heterogeneous activation of peroxymonosulfate by a biochar-supported Co3O4 composite for efficient degradation of chloramphenicols".ENVIRONMENTAL POLLUTION 257(2020):113610.