Laboratoire Eau Environnement et Systèmes Urbains (Leesu)

Recent publications

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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⟩

Supervisory authorities

Member of

Assistant Professor - Université Paris-Est Créteil

LEESU - Université Paris-Est Créteil, École des ponts ParisTech, AgroParisTech

1. Contact

Contact: julien.le-roux(AT)u-pec.fr

Phone: +33(0)1 82 39 20 80

Address: Faculté des Sciences et Technologie, MSE 307, Université Paris-Est Créteil (UPEC), 61 avenue du Général de Gaulle, 94010 Créteil Cedex

ORCID identifier
LinkedIn profile
ResearchGate profile
List of scientific communications (HAL)
Review activity (Publons.com)

2. Research themes

  • Characterization and reactivity of natural waters, wastewater and organic micropollutants with oxidants used in water treatment. Reactivity of micropollutants with various oxidants/disinfectants (e.g., ozone, performic acid), kinetic studies, and mechanisms of disinfection by-product formation.
  • Organic pollutants in surface waters and wastewaters. Degradation mechanisms of organic pollutants and identification of their transformation products (GC-MS and LC-MS analyses, high resolution mass spectrometry).
  • Analytical chemistry and data processing. Development of extraction and analytical methods for organic micropollutants in complex matrices (wastewater, sewage sludge, urine...). Development of software tools for processing high-resolution mass spectrometry data.

3. Current research

  • Tertiary treatment of organic micropollutants in wastewater effluents
    - Carboplus project (SIAAP - SAUR): performances of an industrial activated carbon pilot in fluidized bed for the removal of organic micropollutants
    - Potential use of ozone coupled to activated carbon
    - Identification of degradation products (high resolution mass spectrometry)
    - action R2.5 of the OPUR program about wastewater treatment by oxidation(ozonation, UV photolysis, peracids). PhD thesis supervision (Christelle Nabintu Kajoka).
  • Analytical chemistry
    - Screenatm’eau project: Method developpement of non-target screening for the analysis of micropollutants by liquid chromatography coupled to high resolution mass spectrometry at the interface water/atmosphere
    - ANR WaterOmics project: Characterization of urban organic by high resolution mass spectrometry. Supervision of PhD thesis (Nina Huynh)
    - action R2.6 and O2 theme of the OPUR program : Lon-term characterization of wastewater by non-targert analyses (high resolution mass spectrometry)
    - MeSeine Innovation program (action 2.2.2): Characterization of surface water contamination by combining non-targeted mass spectrometry analyses with ecotoxicological analyses. Supervision of PhD thesis(Julien Sade)
  • Pollutants behavior in urban systems
    - ReFUJ project: PICRI Transformation of a urban brownfield to a park. Study of organic pollutants transfer from the soil to underground water. Simulations in column experiments and influence of hydrological conditions.
    - Roulépur project: Adsorption isotherms of organic micropollutants (alkylphenols and bisphenol A) on soil from a sustainable urban drainage system

4. Current Teaching

5. Collective involvement

6. Professional background

Dates Position
2015 Assistant professor at LEESU
2012-2014 Post-doctoral fellow at the Water Desalination and Reuse Center (KAUST, Saudi Arabia)
2011-2012 Researcher and teaching lecturer at
ENSIP and Université de Poitiers
2008-2011 PhD in Chemistry, specializing in water chemistry and microbiology (LCME, UMR6008, Université de Poitiers). Lecturer at ENSIP and Université de Poitiers
2008 Engineer from École Supérieure d’Ingénieurs de Poitiers (ENSIP, ex-ESIP)

Scientific production, on HAL-ENPC, ordered by type