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Kristoffer Kilpinen¹, Selina Tisler², Mathias B Jørgensen³

¹Analytical Chemistry Group, Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, DK-1871 Frederiksberg C, Denmark; Eurofins Environment Denmark, Ladelundvej 85, DK-6600 Vejen, Denmark.

The Science of the total environment

|November 18, 2024

概括

污水处理厂释放微污染物,受流量和降雨的影响. 了解这些有机污染物趋势是提高处理效率和减少环境影响的关键.

科学领域:

环境化学环境化学
环境科学环境科学
分析化学分析化学

背景情况:

传统的废水处理厂 (WWTP) 是环境微污染物的重要来源.
了解这些微污染物的时间动态对于评估处理效率至关重要.

研究的目的:

调查废水排放中的有机微污染物的时间趋势.
确定影响微污染物度和清除效率的驱动因素.

主要方法:

从2022年9月到12月收集了168个废水和10个影响废水样本.
使用固相提取和液态染色学高分辨率质谱仪 (LC-HRMS) 进行分析.
采用有针对性的和可疑的选方法来全面识别和量化微污染物.

主要成果:

确定了64种量化和90种可疑的微污染物,揭示了不同的时间趋势组.
咖啡因和胺的度与影响的流速相关,突出了液压的影响.
与降雨事件相关的PFAS,轮胎磨损化学品和生物制剂;工业排放增加了制药水平.

结论:

微污染物的时间趋势与特定的来源 (例如,工业排放,消费) 和事件 (例如,雨水,流量变化) 有关.
代谢物分析有助于区分来源.
调查结果强调需要更广泛的监管框架和改善微污染物管理的WWTP策略.

关键词:

这是LC-HRMS.微污染物微污染物移除效率提高移除效率提高时间波动时间波动.废水是废水,废水就是废水.

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