Organophosphate flame retardants (OPFRs) in water and sediment: Occurrence, distribution, and hotspots of contamination of Lake Shihwa, Korea
Organophosphate flame retardants (OPFRs) in water and sediment: Occurrence, distribution, and hotspots of contamination of Lake Shihwa, Korea
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DOI：
10.1016/j.marpolbul.2018.03.009
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发表时间：
2018-05-01
影响因子：
5.8
通讯作者：
Moon, Hyo-Bang
中科院分区：
文献类型：
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作者：
Lee, Sunggyu;Cho, Hyun-Jin;Moon, Hyo-Bang
有机磷阻燃剂（OPFRs）的污染是一个新出现的问题，在水生环境。18 OPFRs的浓度进行了测量，从人工湖世华收集的水和沉积物。在这项研究中测量的沉积物中OPFR浓度是世界上最高的，这意味着严重的OPFR污染。最高浓度的OPFR被发现在附近的工业园区的小溪，OPFR浓度随着距离的增加，从小溪到近岸或近海湖泊沃茨。正在进行的OPFR污染的污水处理厂（WWTP）的排放证明了明显减少OPFR在水样中收集移动远离WWTP排放口。水样中以TBEP和TEP为主，沉积物中以TDCPP和TCPP为主。样品基质污染特征的差异可能是由于各个OPFR的疏水性所致。非参数多维标度排序表明，OPFR污染的影响，污染流入和接近工业园区。
Contamination by organophosphate flame retardants (OPFRs) is an emerging concern in aquatic environments. Concentrations of 18 OPFRs were measured in water and sediments collected from the artificial Lake Shihwa. OPFR concentrations in sediments measured in this study were the highest reported worldwide, implying severe OPFR contamination. The highest concentrations of OPFRs were found in creeks taken near industrial complexes, and OPFR concentrations decreased with increasing distance from creeks to inshore or offshore lake waters. On-going OPFR contamination by wastewater treatment plant (WWTP) discharge was evidenced by the clear decrease in OPFRs in water samples collected moving away from WWTP outfall. TBEP and TEP were dominant in water samples, while TDCPP and TCPP were dominant in sediment samples. Differences in contamination profiles with sample matrices are likely due to hydrophobicity of individual OPFRs. Non-parametric multidimensional scaling ordination showed that OPFR contamination was affected by pollution inflow and proximity to industrial complexes.