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DOI	10.1016/j.marpolbul.2020.111535
	Intra-day microplastic variations in wastewater: A case study of a sewage treatment plant in Hong Kong
	Cao Y.; Wang Q.; Ruan Y.; Wu R.; Chen L.; Zhang K.; Lam P.K.S.
发表日期	2020
ISSN	0025326X
卷号	160
英文摘要	Wastewater treatment plants (WWTPs) in coastal region play a primary role in transferring microplastics into the marine environment. Wastewater is closely related to anthropogenic activities, thus the intra-day variation of abundance of microplastics in the influent should be large and could have significant impact on their estimation of the daily mass load. In this study, a 2–hour interval sampling campaign was conducted at a secondary WWTP in Hong Kong to investigate the intra-day variations and daily loads of microplastics in influent. Results show that the average microplastic abundances increased from 7.1 ± 6.0 to 12.8 ± 5.8 particles/L over time, with predominant particle sizes ranging 1–5 mm. Approximately 80% of the microplastics in samples collected from 9:30–15:00 were polyethylene and polyester, while most samples collected at 17:00 were polypropylene and polyurethane. Microplastic loads exhibited large intra-day variations ranging 6.60 × 108–1.16 × 109 particles/day, indicating that calculated daily microplastic loads based on a specific sampling period may inaccurately estimate the actual daily load. © 2020 Elsevier Ltd
英文关键词	Daily load; Influent; Intra-day variation; Microplastics; Wastewater treatment plant
语种	英语
scopus关键词	Microplastic; Polypropylenes; Wastewater treatment; Anthropogenic activity; Coastal regions; Interval sampling; Marine environment; Mass load; Microplastics; Sampling period; Wastewater treatment plants; Sewage treatment plants; copolymer; macrogol; microplastic; polyester; polyethylene; polypropylene; polyurethan; plastic; human activity; marine environment; marine pollution; plastic waste; pollutant transport; polymer; sewage treatment; wastewater treatment plant; Article; case study; Hong Kong; microplastic pollution; particle size; quality control; sewage treatment plant; sludge treatment; waste water; water analysis; environmental monitoring; sewage; water pollutant; China; Hong Kong; Environmental Monitoring; Hong Kong; Microplastics; Plastics; Sewage; Waste Water; Water Pollutants, Chemical
来源期刊	Marine Pollution Bulletin
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/148639
作者单位	State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong; Department of Chemistry, City University of Hong Kong, Hong Kong; Research Centre for the Oceans and Human Health, The City University of Hong Kong Shenzhen Research Institute, Shenzhen, China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, China
推荐引用方式 GB/T 7714	Cao Y.,Wang Q.,Ruan Y.,et al. Intra-day microplastic variations in wastewater: A case study of a sewage treatment plant in Hong Kong[J],2020,160.
APA	Cao Y..,Wang Q..,Ruan Y..,Wu R..,Chen L..,...&Lam P.K.S..(2020).Intra-day microplastic variations in wastewater: A case study of a sewage treatment plant in Hong Kong.Marine Pollution Bulletin,160.
MLA	Cao Y.,et al."Intra-day microplastic variations in wastewater: A case study of a sewage treatment plant in Hong Kong".Marine Pollution Bulletin 160(2020).