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Suspect Screening of Pharmaceuticals and Their Transformation Products (TPs) in Wastewater during COVID-19 Infection Peak: Identification of New TPs and Elevated Risks

文献类型： 外文期刊

作者： Yu, Lihua 1 ; Lin, Yongfeng 1 ; Li, Jingjing 1 ; Deng, Chunyan 1 ; Zhang, Rui 1 ; Liu, Aifeng 2 ; Wang, Ling 2 ; Li, Yiling 3 ; Wei, Xiaoran 1 ; Lu, Dawei 4 ; Gao, Wei 1 ; Zheng, Yuxin 1 ;

作者机构： 1.Qingdao Univ, Sch Publ Hlth, Qingdao 266071, Peoples R China

2.Qingdao Univ, Sch Environm Sci & Engn, Qingdao 266071, Peoples R China

3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, State Key Lab Mariculture Biobreeding & Sustainabl, Qingdao 266071, Peoples R China

4.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Chem & Ecotoxicol, Beijing 100085, Peoples R China

关键词： pharmaceuticals transformation products; wastewater; suspect screening; pharmaceuticals consumption; risk assessment

期刊名称：ENVIRONMENTAL SCIENCE & TECHNOLOGY （ 影响因子：11.3； 五年影响因子：12.4 ）

ISSN： 0013-936X

年卷期： 2025 年 59 卷 10 期

页码：

收录情况： SCI

摘要： Pharmaceuticals and their transformation products (TPs) in wastewater are emerging contaminants that pose risks to ecosystems and human health. Here, a typical period marked by the easing of the "zero-COVID" policy in December 2022, resulting in unprecedented infections in China, was chosen to illustrate the environmental impact of pharmaceutical usage during the COVID-19 pandemic. A suspect screening workflow was developed to identify pharmaceuticals and transformation products (TPs) in wastewater influent and effluent from a wastewater treatment plant (WWTP) during the peak and postpeak periods of COVID-19, integrating medication recommendations and TPs' prediction. A total of 114 pharmaceuticals and TPs were identified (13 TPs were detected for the first time in WWTP) by using liquid chromatography coupled with high-resolution mass spectrometry (LC-HRMS). Wastewater-based epidemiology analysis showed that the most predominant pharmaceuticals were nonsteroidal anti-inflammatory drugs. Interestingly, the consumption of propafenone increased after the infection peak, possibly linked to long COVID-19 symptoms. Risks were further evaluated based on concentration, detection frequency, and PMT (persistence, mobility, and toxicity) properties, revealing that TPs of aminopyrine, acetaminophen, etc. showed even greater ToxPi scores than their parent compounds. This study highlights the elevated risks posed by pharmaceutical discharge during epidemics and the necessity for TPs' monitoring.

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