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Occurrence and fate of microplastics in Parisian combined sewer network

HAL (Le Centre pour la Communication Scientifique Directe) 2023
Minh-Thuy Nguyen, Gabriel Olthof, Vaibhav Budhiraja, Phuong, Nam, Ngoc, Rachid Dris, Johnny Gaspéri, Thomas Gillet, Mohamed Sharaf, Sam Azimi, Wagner, Martin, Bruno Tassin

Summary

This study investigated the occurrence and fate of microplastics in the combined sewer network of Paris, tracking particles from urban inputs through the wastewater system. Significant amounts of microplastics were found throughout the system, with storm events increasing concentrations. Combined sewer overflow events can release untreated microplastic-laden water directly into rivers during heavy rain.

International audience

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