Neutral polyfluoroalkyl and perfluoroalkyl substances in surface water and sediment from the Haihe River and Dagu Drainage Canal deserve more attention
文献类型： 外文期刊
作者： Hua, Xia 1 ; Luo, Jianbo 2 ; Zhao, Zhen 1 ; Wang, Qi 1 ; Sun, Hongwen 1 ;
作者机构： 1.Nankai Univ, MOE Key Lab Pollut Proc & Environm Criteria, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China
2.Chinese Acad Fishery Sci, Beijing 100141, Peoples R China
3.Tsinghua Univ, Sch Environm, Beijing 100084, Peoples R China
关键词： Neutral polyfluoroalkyl and perfluoroalkyl substances; Surface water and sediment; Haihe River; Dagu Drainage Canal
期刊名称：ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH （ 影响因子：4.223； 五年影响因子：4.306 ）
ISSN： 0944-1344
年卷期： 2019 年 26 卷 32 期
页码：
收录情况： SCI
摘要： Neutral polyfluoroalkyl and perfluoroalkyl substances (nPFASs) were detected in the surface water and sediment from the Haihe River (HR) and Dagu Drainage Canal (DDC), Tianjin, China. N-methyl perfluorooctane sulfonamide ethanol (MeFOSE) and N-ethyl perfluorooctane sulfonamide ethanol (EtFOSE) were the predominant nPFASs in surface water and sediment, which was different from the composition in air. The concentrations of Sigma nPFASs in water from the HR (1.88-8.21 ng/L) were lower than those from the DDC (3.72-11.32 ng/L). Concentrations of Sigma nPFASs were higher in the middle of the HR in the Dongli District due to industrial activity, whereas at lower reaches of the DDC, high Sigma nPFAS concentrations might be due to effluent from wastewater treatment plants (WWTPs). The detection frequency in sediment (13.5%) was less than that in water (83%). The concentrations in sediment from the DDC (below limit of qualification (LOQ) to 5.58 ng/g) were higher than those from the HR (below LOQ to 2.46 ng/g). The distribution coefficient (log K-D) between water and sediment was calculated, and they were highly related to the compound structures. The contribution of nPFASs to nPFASs+PFAAs was up to 52% in sediment in the DDC, suggesting the importance of nPFASs in aquatic systems.
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