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935.
titre
Do suspended particles matter for wastewater-based epidemiology?
auteur
Gauthier Bernier-Turpin, Régis Moilleron, Chloé Cenik, Fabrice Alliot, Sabrina Guérin-Rechdaoui, Thomas Thiebault
article
Water Research, In press, 280, pp.123543. ⟨10.1016/j.watres.2025.123543⟩
titre
Opinion of the French Agency for Food, Environmental and Occupational Health & Safety (ANSES) on the risks to human health associated with the proliferation of Ostreopsis spp. on the Basque coast
auteur
Rodolphe Lemée, Jean‐françois Humbert, Éric Abadie, Zouher Amzil, Elisa Berdalet, Ronel Biré, Marie‐yasmine Dechraoui Bottein, Luc de Haro, Nicolas Delcourt, Valérie Fessard, Jean‐philippe Jaeg, César Mattei, Anne Oppliger, Anne‐sophie Pavaux, Eva Ternon, Gilles Bornert, Anne Togola, Jean Baron, Jean‐luc Boudenne, Nicolas Cimetiere, Bruno Coulomb, Christophe Dagot, Sabine Denooz, Isabelle Dublineau, Frédéric Feder, Matthieu Fournier, Stéphane Garnaud-Corbel, Nathalie Garrec, Johnny Gasperi, Julio Gonçalvès, Jean‐louis Gonzalez, Olivier Horner, Michel Joyeux, Jérôme Labanowski, Sophie Lardy-Fontan, Françoise Lucas, Christophe Mechouk, Laurent Moulin, Damien Mouly, Fabienne Petit, Catherine Quiblier, Pauline Rousseau-Gueutin, Marie‐pierre Sauvant-Rochat, Michèle Tremblay, Bruno Le Bizec, Marie‐louise Scippo, Pierre‐Marie Badot, Marie‐yasmine Dechraoui Bottein, Rachida Chekri, Christine Demeilliers, Virginie Desvignes, Erwan Engel, Gautier Eppe, Anne‐sophie Ficheux, Eric Houdeau, Emilie Lance, Olivier Laprevote, Michel Laurentie, Ludovic Le Hegarat, Jean‐charles Leblanc, Nicolas Loiseau, David Makowski, Francesca Mancini, Eric Marchioni, Jean‐françois Masfaraud, Mathilde Munier, Isabelle Oswald, Anne Platel, Yann Sivry, Paule Vasseur, Estelle Checlair-Westerberg, Eléonore Ney, Nathalie Arnich, Carole Catastini
article
Food Risk Assess Europe, 2025, 3 (2), ⟨10.2903/fr.efsa.2025.FR-0061⟩
titre
Plastic debris dataset on the Seine riverbanks: up to 38 000 pre-production plastic pellets reported per square meter
auteur
Romain Tramoy, Laurent Colasse, Johnny Gasperi, Bruno Tassin
article
Data in Brief, 2025, pp.111735. ⟨10.1016/j.dib.2025.111735⟩
titre
La persistance des champs d’épandage d’eaux usées de l’agglomération parisienne au cours du second XXe siècle
auteur
Etienne Dufour
article
Métropolitiques, 2025, ⟨10.56698/metropolitiques.2174⟩
titre
Stock and vertical distribution of microplastics and tire and road wear particles into the soils of a high-traffic roadside biofiltration swale
auteur
Max Beaurepaire, Tiago de Oliveira, Johnny Gasperi, Romain Tramoy, Mohamed Saad, Bruno Tassin, Rachid Dris
article
Environmental Pollution, 2025, 373, pp.126092. ⟨10.1016/j.envpol.2025.126092⟩
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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).