Occurrence and risk assessment of pharmaceuticals and personal care products (PPCPs) against COVID-19 in lakes and WWTP-river-estuary system in Wuhan, China.
Occurrence and risk assessment of pharmaceuticals and personal care products (PPCPs) against COVID-19 in lakes and WWTP-river-estuary system in Wuhan, China.
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DOI：
10.1016/j.scitotenv.2021.148352
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发表时间：
2021-10-20
期刊：
影响因子：
--
通讯作者：
Zhu L
中科院分区：
文献类型：
--
作者：
Chen X;Lei L;Liu S;Han J;Li R;Men J;Li L;Wei L;Sheng Y;Yang L;Zhou B;Zhu L
于疫情期间，用于控制及预防COVID-19的药品及个人护理产品（PPCP）的消耗量将大幅增加。为了评估其大流行后的环境影响，在中国武汉市三个区域（J、H和L）（J、H和L区域）的金银潭、火神山和雷神山医院附近的湖泊和污水处理厂-河流-河口系统中检测到五类药物。PPCPs的总量（水体中为2.61 ~ 1122 ng/L，沉积物中为0.11 ~ 164 ng/g干重）与长江流域的历史报道相当，而利巴韦林和阿奇霉素的检出频率和浓度高于历史研究。相关药物的空间分布、季节分布、介质分布和水体类型不同：位于两所医院（L区和J区）周围的污水处理厂-河流-河口系统的采样点水体污染水平较高，秋季大部分下降;湖泊夏季水体污染水平较低，秋季有所上升。采用多水平生态风险评价法（MLERA）对检测到的PPCPs进行了潜在风险评价：磺胺甲恶唑和阿奇霉素对水生生物具有潜在风险，并根据优化的风险评价将其列为优先污染物。整体而言，COVID-19疫情并未对武汉市的湖泊及污水处理厂-河流-河口系统造成严重污染。然而，某些药物的使用率增加及其潜在的生态风险需要进一步关注。因此，迫切需要一个严格的源头控制政策和先进的监测和风险预警系统，以应对PPCPs的应急响应和长期风险控制。
The consumption of pharmaceuticals and personal care products (PPCPs) for controlling and preventing the COVID-19 would have sharply increased during the pandemic. To evaluate their post-pandemic environmental impacts, five categories of drugs were detected in lakes and WWTP-river-estuary system near hospitals of Jinyintan, Huoshenshan and Leishenshan in the three regions (J, H and L) (Regions J, H and L) in Wuhan, China. The total amount of PPCPs (ranging from 2.61 to 1122 ng/L in water and 0.11 to 164 ng/g dry weight in sediments) were comparable to historical reports in Yangtze River basin, whereas the detection frequency and concentrations of ribavirin and azithromycin were higher than those of historical studies. The distribution of concerned drugs varied with space, season, media and water types: sampling sites located at WWTPs-river-estuary system around two hospitals (Regions L and J) usually had relatively high waterborne contamination levels, most of which declined in autumn; lakes had relatively low waterborne contamination levels in summer but increased in autumn. The potential risks of detected PPCPs were further evaluated using the multiple-level ecological risk assessment (MLERA): sulfamethoxazole and azithromycin were found to pose potential risks to aquatic organisms according to a semi-probabilistic approach and classified as priority pollutants based on an optimized risk assessment. In general, the COVID-19 pandemic did not cause serious pollution in lakes and WWTPs-river-estuary system in Wuhan City. However, the increased occurrence of certain drugs and their potential ecological risks need further attention. A strict source control policy and an advanced monitoring and risk warning system for emergency response and long-term risk control of PPCPs is urgent.
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