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Devenir des résidus médicamenteux et de leur métabolites au sein des Zones de Rejet Végétalisées (ZRV)

Abstract : Wastewater Treatment Plants (WWTP) are considered as one of the most important pharmaceutical compound discharges into the environment. Since 2009, French Water Agencies, promote Surface Flow Treatment Wetlands (SFTWs) at the outlet of WWTPs, between the WWTP and the receiving aquatic environment but their removal efficiencies are not well investigated. To overcome these lacks of knowledge, pollutant removal efficiencies of 2 WWTP and their SFTW were monitoring during 2 years. ln regard to pharmaceutical compounds (86), SFTW removal efficiency rates ranged from 30 to 70% with maximum values in summer and minimum values in winter. The SFTW removal efficiency contributions to WWTP were inferior to 30%. ln addition, SFTW inflow reductions were correlated with an increase of drug compound concentrations in the outflow. Furthermore, there was a specific absorption of these micro pollutants by plants whereas there were dynamic interactions between sampled mud and drugs residues with an adsorption during summer and a release during winter.
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Submitted on : Tuesday, January 30, 2018 - 2:22:10 PM
Last modification on : Tuesday, September 27, 2022 - 4:15:28 AM

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Nuel_Maximilien_2017_ED269.pdf
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  • HAL Id : tel-01696381, version 2

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Maximilien Nuel. Devenir des résidus médicamenteux et de leur métabolites au sein des Zones de Rejet Végétalisées (ZRV). Génie des procédés. Université de Strasbourg, 2017. Français. ⟨NNT : 2017STRAD022⟩. ⟨tel-01696381v2⟩

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