Clément Laskar Maître de conférences au Laboratoire de Génie Chimique - LGC (Université de Toulouse)

Identifiants chercheurs

IdHAL :

claskar

ORCID :

0000-0002-3228-6686

IdRef :

264132092

Présentation

Mon expertise dans le domaine de la chimie hydrothermale me permet d'étudier la valorisation des métaux critiques par voie hydrométallurgique, par exemple dans le cas du recyclage de batteries (NiMH, Li-ion).

Publications

Article dans une revue (11)

Recovery of metallic iron from the loaded organic phase after solvent extraction by precipitation–stripping with hydrogen gas Clément Laskar,Koen Binnemans RSC Advances, 2026, 16 (14), pp.12374 - 12382. ⟨10.1039/d6ra00829a⟩ Article dans une revue hal-05544496v1
The role of hydrogen sulfide and trisulfur radical ion in molybdenum transport by hydrothermal fluids: implications for porphyry-epithermal Cu-Au-Mo deposits Maria A Kokh,Gleb S. Pokrovski,Stephan Klemme,Christian Schmidt,Clément Laskaret al. Geochimica et Cosmochimica Acta, 2026, 412, pp.90-109. ⟨10.1016/j.gca.2025.10.007⟩ Article dans une revue hal-05355819v1
Conversion of Sodium-Rare Earth Double Sulfate Salts Prepared from Spent NiMH Batteries: Comparison of Precipitation Pathways as Oxalate, Hydroxide, and Carbonate Clément Laskar,Boris Guzhov,Antoine Barnabé,Morgane Josse,Béatrice Biscanset al. Journal of Sustainable Metallurgy, 2025, ⟨10.1007/s40831-025-01173-5⟩ Article dans une revue hal-05160943v1
The role of sulfur in palladium transport and fractionation from platinum by hydrothermal fluids C. Laskar,E.F. Bazarkina,G.S. Pokrovski Geochimica et Cosmochimica Acta, 2025, A Tribute to Terry Seward, 406, pp.134-147. ⟨10.1016/j.gca.2024.12.019⟩ Article dans une revue hal-05025407v1
Case-based analysis of mechanically-assisted leaching for hydrometallurgical extraction of critical metals from ores and wastes: application in chalcopyrite, ferronickel slag, and Ni-MH black mass Clément Laskar,Amine Dakkoune,Carine Julcour-Lebigue,Florent Bourgeois,Béatrice Biscanset al. Comptes Rendus. Chimie, 2024, GDR Prométhée – French Research Network on Hydrometallurgical Processes for Primary and Secondary Resources, 27 (S4), pp.1-16. ⟨10.5802/crchim.325⟩ Article dans une revue hal-04691523v1
Projet Camfre : Vers le développements ambitieux de couches d'alumine conductrices élaborées par oxydation micro-arc pour des applications connectiques en environnement sévère Laurent Arurault,Pascal Lenormand,Alexandre Hugou,Jérôme Roche,Laurent Cassayreet al. Traitements et Matériaux, 2023, 485 (11), pp.8 Article dans une revue hal-05000059v1
Gold speciation in hydrothermal fluids revealed by in situ high energy resolution X-ray absorption spectroscopy Gleb Pokrovski,Elsa Desmaele,Clément Laskar,Elena Bazarkina,Denis Testemaleet al. The American Mineralogist, 2022, 107 (3), pp.369-376. ⟨10.2138/am-2022-8008⟩ Article dans une revue cea-04074998v1
Exploring Platinum Speciation with X-ray Absorption Spectroscopy under High-Energy Resolution Fluorescence Detection Mode Clément Laskar,Elena Bazarkina,Maria Kokh,Jean-Louis F Hazemann,Stéphane Foulonet al. Minerals, 2022, 12 (12), pp.1602. ⟨10.3390/min12121602⟩ Article dans une revue hal-04001257v1
Stability and structure of platinum sulfide complexes in hydrothermal fluids C. Laskar,E.F. Bazarkina,M.A. Kokh,Jean-Louis F Hazemann,R. Vuilleumieret al. Geochimica et Cosmochimica Acta, 2022, 336, pp.407-422. ⟨10.1016/j.gca.2022.08.015⟩ Article dans une revue hal-03805655v1
The trisulfur radical ion S 3 •− controls platinum transport by hydrothermal fluids Gleb S Pokrovski,Maria A Kokh,Elsa Desmaele,Clément Laskar,Elena F Bazarkinaet al. Proceedings of the National Academy of Sciences of the United States of America, 2021, 118 (34), pp.e2109768118. ⟨10.1073/pnas.2109768118⟩ Article dans une revue hal-03323512v1
Atmospheric SO&lt;SUB&gt;2&lt;/SUB&gt; oxidation by NO&lt;SUB&gt;2&lt;/SUB&gt; plays no role in the mass independent sulfur isotope fractionation of urban aerosols D. Au Yang,G. Bardoux,N. Assayag,C. Laskar,D. Widoryet al. Atmospheric Environment, 2018, 193, pp.109-117. ⟨10.1016/j.atmosenv.2018.09.007⟩ Article dans une revue insu-03748821v1

Thèse (1)

Impact du soufre sur le transport des platinoïdes par les fluides hydrothermaux Clement Laskar Planétologie et astrophysique de la terre [astro-ph.EP]. Université Paul Sabatier - Toulouse III, 2022. Français. ⟨NNT : 2022TOU30068⟩ Thèse tel-04387808v1

Communication dans un congrès (11)

Quantifying the transfers of metals and sulfur by geological fluids using in-situ spectroscopy Gleb S. Pokrovski,Maria A Kokh,Elena F Bazarkina,Elsa Desmaele,Clément Laskaret al. Goldschmidt2025, Jul 2025, Prague, Czech Republic. ⟨10.7185/gold2025.26178⟩ Communication dans un congrès hal-05355792v1
Ni Metal and NiO Dissolution Kinetics in Acidic Media: Towards an Improvement of Ni-MH Battery Leaching C. Laskar,Boris Guzhov,Béatrice Biscans,Laurent Cassayre AIChE 2025, Nov 2025, Boston (MA), United States Communication dans un congrès hal-05354568v1
Case-Based Analysis of Mechanically-Assisted Leaching for Hydrometallurgical Extraction of Critical Metals from Chalcopyrite, Ferronickel Slag, and Ni-MH Black Mass Clement Laskar,Amine Dakkoune,Carine Julcour-Lebigue,Florent Bourgeois,Béatrice Biscanset al. AIChE 2025, Nov 2025, Boston (MA), United States Communication dans un congrès hal-05354562v1
Towards improvement of transverse electrical conductivity of oxide coatings formed by plasma electrolytic oxidation on aluminium alloys by incorporation of silver particles Alexandre Hugou,Clément Laskar,Jérôme Roche,Laurent Cassayre,Pascal Lenormandet al. 1rst International Conference on Surface Science, Engineering & Technology (SSET 2024), Sep 2024, Manchester (UK), United Kingdom Communication dans un congrès hal-04777368v1
Platinum group elements and sulfur in hydrothermal fluids: a love story told by in situ spectroscopy, molecular dynamics, and thermodynamics Clement Laskar,Elena Bazarkina,Maria Kokh,Jean-Louis F Hazemann,Rodolphe Vuilleumieret al. Goldschmidt 2023, Jul 2023, Lyon, France. ⟨10.7185/gold2023.14357⟩ Communication dans un congrès hal-04344986v1
The role of S3•- in molybdenum transport by hydrothermal fluids revealed by in situ X-ray absorption spectroscopy Maria A Kokh,Manuela Borchert,Stephan Klemme,Christian Schmidt,Jean-Louis F Hazemannet al. GeoMinKoln, Sep 2022, Cologne, Germany Communication dans un congrès hal-05361593v1
The impact of sulfur on the transfer of platinum group elements by hydrothermal fluids Clement Laskar,Gleb S Pokrovski,Maria A Kokh,Jean-Louis Hazemann,Elena Bazarkinaet al. EMPG-XVII, Mar 2021, Potsdam, Germany Communication dans un congrès hal-05361524v1
The impact of sulfur on the transfer of platinum group elements by geological fluids Clément Laskar,Maria Kokh,Elena Bazarkina,Elsa Desmaele,Jean-Louis F Hazemannet al. Goldschmidt 2021, Jul 2021, On Line, France. ⟨10.7185/gold2021.6034⟩ Communication dans un congrès hal-04002610v1
The effect of the trisulfur radical ion on molybdenum transport by hydrothermal fluids Maria A. Kokh,Clement Laskar,Gleb S. Pokrovski vEGU21, 2021, à renseigner, Unknown Region. ⟨10.5194/egusphere-egu21-3318⟩ Communication dans un congrès insu-03669270v1
Platinum speciation and transport in sulfur-rich hydrothermal fluids C Laskar,G S Pokrovski,M Kokh,J L Hazemann,E F Bazarkinaet al. Virtual Goldschmidt 2020 Conference, Hawaii, USA, June 2020 (communication orale), Jun 2020, Honolulu, United States Communication dans un congrès hal-03373863v1
The impact of sulfur on the transfer of platinoids by geological fluids C Laskar,G S Pokrovski,M Kokh,J. Hazemann,E F Bazarkinaet al. Goldschmidt Conference 2019, Aug 2019, Barcelone, Spain Communication dans un congrès hal-02343794v1

Poster de conférence (2)

Recovery of Metallic Iron from the Loaded Organic Phase After Solvent Extraction by Precipitation-Stripping with Hydrogen Gas C. Laskar,Koen Binnemans AIChE 2025, Nov 2025, Boston (MA), United States. Poster de conférence hal-05354566v1
The role of S 3 •- in molybdenum transport by hydrothermal fluids revealed by in situ X-ray absorption spectroscopy Maria A Kokh,Stephan Klemme,Christian Schmidt,Jean-Louis F Hazemann,Denis Testemaleet al. Goldschmidt 2023, Jul 2023, Lyon, France. Poster de conférence hal-05356085v1