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933.
titre
arcMS: transformation of multi-dimensional high-resolution mass spectrometry data to columnar format for compact storage and fast access
auteur
Julien Le Roux, Julien Sade
article
, 2024, 4 (1), ⟨10.1093/bioadv/vbae160⟩
titre
Litter in French urban areas—part 1: composition, sources, and spatio-temporal variations on urban surfaces
auteur
Lauriane Ledieu, Romain Tramoy, David Mabilais, Sophie Ricordel, Zoé Bridant, Eric Bouchet, Clémence Bruttin, Bruno Tassin, Johnny Gasperi
article
, 2024, ⟨10.1007/s11356-024-35203-8⟩
titre
Unraveling Lake Geneva's hypoxia crisis in the Anthropocene
auteur
Laura M V Soares, Olivia Desgué‐itier, Cécilia Barouillet, Céline Casenave, Isabelle Domaizon, Victor Frossard, Nelson G Hairston, Andrea Lami, Bruno J Lemaire, Georges‐marie Saulnier, Frédéric Soulignac, Brigitte Vinçon‐leite, Jean‐philippe Jenny
article
, 2024, ⟨10.1002/lol2.10435⟩
titre
Quantification Approaches in Non-Target LC/ESI/HRMS Analysis: An Interlaboratory Comparison
auteur
Louise Malm, Jaanus Liigand, Reza Aalizadeh, Nikiforos Alygizakis, Kelsey Ng, Emil Egede Fro̷kjær, Mulatu Yohannes Nanusha, Martin Hansen, Merle Plassmann, Stefan Bieber, Thomas Letzel, Lydia Balest, Pier Paolo Abis, Michele Mazzetti, Barbara Kasprzyk-Hordern, Nicola Ceolotto, Sangeeta Kumari, Stephan Hann, Sven Kochmann, Teresa Steininger-Mairinger, Coralie Soulier, Giuseppe Mascolo, Sapia Murgolo, Manuel Garcia-Vara, Miren López de Alda, Juliane Hollender, Katarzyna Arturi, Gianluca Coppola, Massimo Peruzzo, Hanna Joerss, Carla van der Neut-Marchand, Eelco N Pieke, Pablo Gago-Ferrero, Ruben Gil-Solsona, Viktória Licul-Kucera, Claudio Roscioli, Sara Valsecchi, Austeja Luckute, Jan H Christensen, Selina Tisler, Dennis Vughs, Nienke Meekel, Begoña Talavera Andújar, Dagny Aurich, Emma L Schymanski, Gianfranco Frigerio, André Macherius, Uwe Kunkel, Tobias Bader, Pawel Rostkowski, Hans Gundersen, Belinda Valdecanas, W Clay Davis, Bastian Schulze, Sarit Kaserzon, Martijn Pijnappels, Mar Esperanza, Aurélie Fildier, Emmanuelle Vulliet, Laure Wiest, Adrian Covaci, Alicia Macan Schönleben, Lidia Belova, Alberto Celma, Lubertus Bijlsma, Emilie Caupos, Emmanuelle Mebold, Julien Le Roux, Eugenie Troia, Eva de Rijke, Rick Helmus, Gaëla Leroy, Niels Haelewyck, David Chrastina, Milan Verwoert, Nikolaos S Thomaidis, Anneli Kruve
article
, 2024, 96, pp.16215 - 16226. ⟨10.1021/acs.analchem.4c02902⟩
titre
Microplastic assessment in remote and high mountain lakes of Gilgit Baltistan, Pakistan
auteur
Maryem Mehboob, Rachid Dris, Bruno Tassin, Johnny Gasperi, Muhammad Usman Khan, Riffat Malik
article
, 2024, 365, pp.143283. ⟨10.1016/j.chemosphere.2024.143283⟩
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MIDI presentation

by Daniel Thevenot - published on

MIcroorganisms: actors governing the degradation of DIuron in sewage sludge during biological treatment

Duration: 2022-2024

Project name: MIcroorganisms: actors governing the degradation of DIuron in sewage sludge during biological treatment

Project acronym: MIDI

Keywords: microorganisms, wastewater treatment plants, biological treatment, micropollutants, ecotoxicology

Project leader: My Dung Jusselme and Régis Moilleron

1. Project presentation

The omnipresence of emerging micropollutants in effluents from wastewater treatment plants (WWTP) pose a serious concern due to theirs complex toxicological and ecotoxicological for aquatic environment. During biological treatment in WWTP, organic micropollutants are exposed to multiple degradation pathways and can undergo many reactions by various kinds of microbial resources present in sewage sludge. Under the activities of these microorganisms, numerous micropollutants are transformed into the other products and/or degraded into by-products, which are more toxic than the original products. Therefore, many micropollutants are found in the effluents in higher concentrations than those in the influents. However, the interactions between microorganisms and micropollutants are not well characterized. In this case, we interest in the microbial reactions on the transformation and degradation of micropollutants during biological wastewater treatment processes.

In this study, diuron will be used as a model for the understanding of the mechanisms of transformation and degradation through microbial reactions and this can being tested for other micropollutants.

2. Project objectives

  • The first objective is to test the hypothesis that an additional quantity of diuron is produced during wastewater treatment from the transformation of precursor compounds.
  • The second objective is to study the processes of diuron degradation by the microorganisms present in the activated sludge during the biological treatment.
  • The last one is to research the microbial inoculum capable of diuron degradation in different systems of wastewater treatment.

3. Financial support

The MIDI project (2022-2024) is funded by the «Initiative Structurante Ecosphère Continentale et Côtière» from the INSU department of CNRS (EC2CO).