Occurrence of antibiotics in eight sewage treatment plants in Beijing, China

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 环境化学与生态毒理学国家重点实验室

	Occurrence of antibiotics in eight sewage treatment plants in Beijing, China
	Gao, Lihong ; Shi, Yali ; Li, Wenhui ; Niu, Hongyun ; Liu, Jiemin ; Cai, Yaqi
刊名	CHEMOSPHERE
	2012
卷号	86 期号:6 页码:665－671
关键词	Antibiotics Occurrence STPs Removal efficiency Sludge Seasonal variation
ISSN号	0045-6535
中文摘要	The occurrence, removal efficiency and seasonal variation of 22 antibiotics, including eight fluoroquinolones, nine sulfonamides and five macrolides, were investigated in eight sewage treatment plants (STPs) in Beijing, China. A total of 14 antibiotics were detected in wastewater samples, with the maximum concentration being 3.1 ug L-1 in the influent samples and 1.2 mu g L-1 in the effluent samples. The most frequently detected antibiotics were ofloxacin, norfloxacin, sulfadiazine, sulfamethoxazole, erythromycin and roxithromycin; of these, the concentration of ofloxacin was the highest in most of the influent and effluent samples. Eighteen antibiotics were detected in the sludge samples, with concentrations ranging from 1.0 x 10(-1) to 2.1 x 104 mu g kg(-1). The dominant antibiotics found in the sludge samples were the fluoroquinolones, with ofloxacin having the highest concentration in all the sludge samples. The antibiotics could not be removed completely by the STPs, and the mean removal efficiency ranged from -34 to 72%. Of all the antibiotics, the fluoroquinolones were removed comparatively more efficiently, probably due to their adsorption to sludge. Seasonal variation of the antibiotics in the sludge samples was also studied. The concentrations of antibiotics in winter were higher than in spring and autumn. Since the total levels of the fluoroquinolones detected in the influent samples were lower than the predicted no-effect concentration (PNEC) of 8.0 mu g L-1, the residues of these antibiotics would be unlikely to have adverse effects on microorganisms involved in sewage treatment processes. (C) 2011 Elsevier Ltd. All rights reserved.
WOS记录号	WOS:000301096200017
公开日期	2014-11-04
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/7773]
专题	生态环境研究中心_环境化学与生态毒理学国家重点实验室
推荐引用方式 GB/T 7714	Gao, Lihong,Shi, Yali,Li, Wenhui,et al. Occurrence of antibiotics in eight sewage treatment plants in Beijing, China[J]. CHEMOSPHERE,2012,86(6):665－671.
APA	Gao, Lihong,Shi, Yali,Li, Wenhui,Niu, Hongyun,Liu, Jiemin,&Cai, Yaqi.(2012).Occurrence of antibiotics in eight sewage treatment plants in Beijing, China.CHEMOSPHERE,86(6),665－671.
MLA	Gao, Lihong,et al."Occurrence of antibiotics in eight sewage treatment plants in Beijing, China".CHEMOSPHERE 86.6(2012):665－671.