Clément Laskar

Maître de conférences au Laboratoire de Génie Chimique - LGC (Université de Toulouse)
63%
Libre accès
24
Documents
Affiliation actuelle
  • Laboratoire de Génie Chimique (LGC)
Identifiants chercheurs
Contact

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).

Domaines de recherche

Chimie Géochimie Génie chimique

Compétences

Hydrometallurgy Hydrothermal experiments Recycling X-ray absorption spectroscopy Molecular Dynamics Thermodynamics

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Publications

Image document

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 Laskar et al.
Geochimica et Cosmochimica Acta, 2026, 412, pp.90-109. ⟨10.1016/j.gca.2025.10.007⟩
Article dans une revue hal-05355819 v1
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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-05025407 v1
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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 Biscans et al.
Journal of Sustainable Metallurgy, 2025, ⟨10.1007/s40831-025-01173-5⟩
Article dans une revue hal-05160943 v1
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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 Biscans et 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-04691523 v1

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 Cassayre et al.
Traitements et Matériaux, 2023, 485 (11), pp.8
Article dans une revue hal-05000059 v1
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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 Testemale et al.
The American Mineralogist, 2022, 107 (3), pp.369-376. ⟨10.2138/am-2022-8008⟩
Article dans une revue cea-04074998 v1
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Stability and structure of platinum sulfide complexes in hydrothermal fluids

C. Laskar , E.F. Bazarkina , M.A. Kokh , Jean-Louis F Hazemann , R. Vuilleumier et al.
Geochimica et Cosmochimica Acta, 2022, 336, pp.407-422. ⟨10.1016/j.gca.2022.08.015⟩
Article dans une revue hal-03805655 v1
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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 Foulon et al.
Minerals, 2022, 12 (12), pp.1602. ⟨10.3390/min12121602⟩
Article dans une revue hal-04001257 v1
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The trisulfur radical ion S 3 •− controls platinum transport by hydrothermal fluids

Gleb S Pokrovski , Maria A Kokh , Elsa Desmaele , Clément Laskar , Elena F Bazarkina et 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-03323512 v1

Atmospheric SO<SUB>2</SUB> oxidation by NO<SUB>2</SUB> plays no role in the mass independent sulfur isotope fractionation of urban aerosols

D. Au Yang , G. Bardoux , N. Assayag , C. Laskar , D. Widory et al.
Atmospheric Environment, 2018, 193, pp.109-117. ⟨10.1016/j.atmosenv.2018.09.007⟩
Article dans une revue insu-03748821 v1
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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-04387808 v1

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-05354568 v1

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 Laskar et al.
Goldschmidt2025, Jul 2025, Prague, Czech Republic. ⟨10.7185/gold2025.26178⟩
Communication dans un congrès hal-05355792 v1

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 Biscans et al.
AIChE 2025, Nov 2025, Boston (MA), United States
Communication dans un congrès hal-05354562 v1

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 Lenormand et al.
1rst International Conference on Surface Science, Engineering & Technology (SSET 2024), Sep 2024, Manchester (UK), United Kingdom
Communication dans un congrès hal-04777368 v1
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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 Vuilleumier et al.
Goldschmidt 2023, Jul 2023, Lyon, France. ⟨10.7185/gold2023.14357⟩
Communication dans un congrès hal-04344986 v1

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 Hazemann et al.
GeoMinKoln, Sep 2022, Cologne, Germany
Communication dans un congrès hal-05361593 v1

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 Hazemann et al.
Goldschmidt 2021, Jul 2021, On Line, France. ⟨10.7185/gold2021.6034⟩
Communication dans un congrès hal-04002610 v1

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 Bazarkina et al.
EMPG-XVII, Mar 2021, Potsdam, Germany
Communication dans un congrès hal-05361524 v1

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-03669270 v1

Platinum speciation and transport in sulfur-rich hydrothermal fluids

C Laskar , G S Pokrovski , M Kokh , J L Hazemann , E F Bazarkina et al.
Virtual Goldschmidt 2020 Conference, Hawaii, USA, June 2020 (communication orale), Jun 2020, Honolulu, United States
Communication dans un congrès hal-03373863 v1

The impact of sulfur on the transfer of platinoids by geological fluids

C Laskar , G S Pokrovski , M Kokh , J. Hazemann , E F Bazarkina et al.
Goldschmidt Conference 2019, Aug 2019, Barcelone, Spain
Communication dans un congrès hal-02343794 v1