Laboratoire Eau Environnement et Systèmes Urbains (Leesu)

Dernières publications

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Phosphorus recycling from human excreta in French agroecosystems and potential for food self-sufficiency
Thomas Starck, Tanguy Fardet, Fabien Esculier
, 2024, ⟨10.1007/s10705-024-10367-4⟩
Monitoring microplastics in the Seine River in the Greater Paris area
Cleo Stratmann, Rachid Dris, Johnny Gasperi, Frans Buschman, Adriaan Markus, Sabrina Guerin, A. Dick Vethaak, Bruno Tassin
, 2024, 12, ⟨10.3389/feart.2024.1386547⟩
Litter in French urban areas — Part 2: transport dynamic and fluxes in stormwater
Lauriane Ledieu, Romain Tramoy, David Mabilais, Sophie Ricordel, Marie-Laure Mosini, Alexandra Mosset, Bernard Flahaut, Laetitia Pineau, Zoé Bridant, Eric Bouchet, Clémence Bruttin, Fabrice Rodriguez, Bruno Tassin, Johnny Gasperi
, 2024, ⟨10.1007/s11356-024-33774-0⟩
Fluorescence spectroscopy for tracking microbiological contamination in urban waterbodies
Natália Angelotti de Ponte Rodrigues, Rémi Carmigniani, Arthur Guillot-Le Goff, Françoise S Lucas, Claire Therial, Manel Naloufi, Aurélie Janne, Francesco Piccioni, Mohamed Saad, Philippe Dubois, Brigitte Vinçon-Leite
, 2024, 6, ⟨10.3389/frwa.2024.1358483⟩
Séparation à la source des excrétats : bases pour des règles professionnelles
Florent Brun, Fabien Esculier, Bernard de Gouvello
, 2024, GE1029v1, ⟨10.51257/a-v1-ge1029⟩


Membre de

Microplastic research internship at Leesu

par Daniel Thevenot - publié le , mis à jour le

Microplastic research internship at Leesu starting July-August 2021 (3-6 months)

Internship proposal summary

  • Duration : ca. 3-6 months
  • Start : July/August 2021
  • Research group : Laboratoire Eau Environnement et Systèmes Urbains (LEESU**) at École des Ponts ParisTech - **Laboratory for water, environment and urban systems
  • Supervision : The intern will be working with the PhD students Minh-Trang NGUYEN and Cleo STRATMANN.
  • Internship revenue from ENPC : ca. 600 € per month
  • Application until : 9 July 2021

*We encourage ERASMUS internships (please see guidelines here)

We offer an internship in the two projects mentioned below for several months, ideally starting in June or July 2021. You should be interested in the topic of microplastics and eager to learn about the sampling and analysis of microplastics in freshwaters. More details are given below.

Project :

Two PhD projects (ESR 4 and 11) assess the abundance and impacts of microplastics in waters of the Paris agglomeration, including the Parisian river “Seine” and the Parisian Wastewater systems since mid-2020 in the frame of the LimnoPlast project (ITN EU-funded project). LimnoPlast involves 15 PhD projects across Europe to investigate the sources, pathways and impacts of microplastics in freshwater environments.

Mandatory skills required :

  • Bachelor or Master student in enviornmental sciences, chemistry, evnironmental chemistry, hydrology and similar subjects
  • Physically present at the working place (If you need to move, we will support you to find appropriate housing)
  • Fluent English (spoken and written), minimum level B2
  • A strong motivation for laboratory and field work
  • Being familiar with Microsoft Excel.

Additional skills which would be convenient :

  • French language skills
  • Driver’s licence permit in France (European Union) and the motivation to drive within the Parisian agglomeration
  • Able to help with physical field work
  • Previous experience in the field of microplastics and/or water sampling
  • Previous laboratory experiences
  • Previous field work experiences

The work you will be doing with us and what you can expect to learn and experience during the internship :

You will analyse microplastics in freshwater and wastewater from sampling to laboratory analysis and data presentation, and contribute to the discussion of the results.

  • Involvement in the assessment of microplastics upstream and downstream of Paris
  • Involvement in the investigation of microplastics in the Parisian wastewater system
  • You will learn crucial aspects of microplastic field work
  • Sampling of microplastics and other related water parameters (e.g. river flow rate or suspended sediments)
  • Laboratory sample processing of water and sludge samples including filtration, chemical digestion with H202, and density separation
  • Analyse microplastic samples with state-of-the-art methods (ATR-FTIR and μFTIR)
  • Post-analysis identification of microplastic particles using software like siMPle.

Please be aware that the occasional field work may be physically demanding (various weather conditions, carrying equipment, driving) and can last longer than a normal 8 -9 h working day, due to traffic and a few hours of travel time in the region. The field work is usually very exciting and fun.

Filter with microplastic particles at Leesu
Field sampling of microplastic particles at Leesu

If you have any other questions, please don’t hesitate to ask. You can simply send us an Email with the topic “plastic internship” :

We encourage everyone who fulfills the requirements and is interested in this project to apply. Our team welcomes everyone.

*Please make sure that you fulfill the mandatory requirements stated above.

Application in English :

  • Curriculum Vitae (CV)
  • Short motivation letter (max. 1 page) to explain your interest and skills
  • Include your contact information (Full name, email-adress)
  • Include your availability and any other important information

To apply, please send by email the documents (as PDF-files or Word-files), using as email header : “plastic internship”, to :

Internship proposal (PDF)

Voir en ligne : LimnoPlanst EU Research Project site