Fate and biodegradation characteristics of triclocarban in wastewater treatment plants and sewage sludge composting processes and risk assessment after entering the ecological environment

doi:10.1016/j.jhazmat.2021.125270

	Fate and biodegradation characteristics of triclocarban in wastewater treatment plants and sewage sludge composting processes and risk assessment after entering the ecological environment
	Zheng, Guodi 1,2; Yu, Bao 1,2; Wang, Yuewei 1,2; Ma, Chuang 3; Chen, Tongbin 1,2
刊名	JOURNAL OF HAZARDOUS MATERIALS
	2021-06-15
卷号	412 页码:10
关键词	Triclocarban Wastewater treatment plant Sewage sludge Composting Risk assessment
ISSN号	0304-3894
DOI	10.1016/j.jhazmat.2021.125270
通讯作者	Zheng, Guodi(zhenggd@igsnrr.ac.cn)
英文摘要	Triclocarban (TCC) has a high detection frequency in soil, rivers, sediments, and organisms, and its ecological risks have attracted substantial attention. In this study, we analyzed the fate of TCC in four wastewater treatment plants (WWTPs) in Zhengzhou, China, the biodegradation characteristics during the composting process, and the ecological risks of TCC when entering different environmental compartments. The concentration of TCC in the influent was 731.1?812.4 ng/L. More than 53.4% of TCC was biodegraded during the wastewater treatment process, and less than 2.5% was retained in the effluent. TCC was effectively removed through microbial degradation and sewage sludge absorption, and there were only minor differences in the different wastewater treatment processes. It is worth noting that more than 38% of TCC was enriched in sewage sludge (1430.1?1663.8 ng/g). The corresponding biodegradation rates of TCC were 65.7% and 82.8% in sewage sludge after 17 days of composting treatment with sawdust and straw as bulking agents, respectively. The estimated results showed that effluent discharge into the city rivers was safe. Composting could effectively degrade TCC and decrease the ecological risk of TCC when applied to sewage sludge.
资助项目	National Natural Science Foundation of China[41371455] ; National Natural Science Foundation of China[41101463]
WOS关键词	PERSONAL CARE PRODUCTS ; POLYCYCLIC AROMATIC-HYDROCARBONS ; MICRO POLLUTANT DEGRADATION ; TRANSFORMATION PRODUCTS ; ORGANIC CONTAMINANTS ; BULKING AGENT ; TRICLOSAN ; REMOVAL ; BIOSOLIDS ; PHARMACEUTICALS
WOS研究方向	Engineering ; Environmental Sciences & Ecology
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000647694300002
资助机构	National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/162626]
专题	中国科学院地理科学与资源研究所
通讯作者	Zheng, Guodi
作者单位	1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Ctr Environm Remediat, Beijing 100101, Peoples R China 2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China 3.Zhengzhou Univ Light Ind, Dept Mat & Chem Engn, Zhengzhou 450002, Peoples R China
推荐引用方式 GB/T 7714	Zheng, Guodi,Yu, Bao,Wang, Yuewei,et al. Fate and biodegradation characteristics of triclocarban in wastewater treatment plants and sewage sludge composting processes and risk assessment after entering the ecological environment[J]. JOURNAL OF HAZARDOUS MATERIALS,2021,412:10.
APA	Zheng, Guodi,Yu, Bao,Wang, Yuewei,Ma, Chuang,&Chen, Tongbin.(2021).Fate and biodegradation characteristics of triclocarban in wastewater treatment plants and sewage sludge composting processes and risk assessment after entering the ecological environment.JOURNAL OF HAZARDOUS MATERIALS,412,10.
MLA	Zheng, Guodi,et al."Fate and biodegradation characteristics of triclocarban in wastewater treatment plants and sewage sludge composting processes and risk assessment after entering the ecological environment".JOURNAL OF HAZARDOUS MATERIALS 412(2021):10.