Recovery of Metals from Secondary Raw Materials by Coupled Electroleaching and Electrodeposition in Aqueous or Ionic Liquid Media

Autor: Nathalie Leclerc, Sophie Legeai, Maxime Balva, Claire Hazotte, Julien Comel, François Lapicque, Emmanuel Billy, Eric Meux

Publikováno v: Metals, Vol 8, Iss 7, p 556 (2018)

This paper presents recent views on a hybrid process for beneficiation of secondary raw materials by combined electroleaching of targeted metals and electrodeposition. On the basis of several case studies with aqueous solutions or in ionic liquid med

Externí odkaz: https://doaj.org/article/d5b85cb176144d5d9f346f6ce9196d75

Halide based ionic liquid mixture for a sustainable electrochemical recovery of precious metals

Autor: Benoit Villemejeanne, Sophie Legeai, Eric Meux, Sandrine Dourdain, Hakima Mendil-Jakani, Emmanuel Billy

Publikováno v: Journal of Environmental Chemical Engineering
Journal of Environmental Chemical Engineering, 2022, 10 (1), pp.107063. ⟨10.1016/j.jece.2021.107063⟩

International audience; Precious metal refining from ore or electronic devices includes hydrometallurgical processes with major concern about toxicity or wastewater production. As an alternative, one-step electroleaching-electrochemical deposition pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87555186a7e4e52e37f9100f76f00dc4
https://hal.univ-lorraine.fr/hal-03932714

Synthesis of Te-Bi core-shell nanowires by two-step electrodeposition in ionic liquids

Autor: Nicolas Stein, Jaafar Ghanbaja, Sophie Legeai, Laura Thiebaud

Publikováno v: Electrochemistry Communications, Vol 86, Iss, Pp 30-33 (2018)
Electrochemistry Communications
Electrochemistry Communications, Elsevier, 2018, 86, pp.30-33. ⟨10.1016/j.elecom.2017.11.010⟩

Te-Bi core-shell nanowires were synthesized by electrochemical deposition in ionic liquids without using a template. The nanowires were synthesized in two steps: self-standing single crystal Te nanowires with a diameter of 76.2±28.4nm and a length o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8a5cd6a42a3207d43e1c79dc6517feb
https://doi.org/10.1016/j.elecom.2017.11.010

Dismantling and chemical characterization of spent Peltier thermoelectric devices for antimony, bismuth and tellurium recovery

Autor: Eric Meux, Laetitia Garoux, Sophie Legeai, Maxime Balva, Nathalie Leclerc

Publikováno v: Environmental Technology
Environmental Technology, Taylor & Francis: STM, Behavioural Science and Public Health Titles, 2016, 38 (7), pp.791-797. ⟨10.1080/09593330.2016.121174⟩

International audience; Major uses of thermoelectricity concern refrigeration purposes, using Peltier devices, mainlycomposed of antimony, bismuth and tellurium. Antimony was identified as a critical rawmaterial by EU and resources of bismuth and tel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f890d9966a50e6a9c6008e0fa8aadde8
https://doi.org/10.1080/09593330.2016.1211748

Ketone functionalized task specific ionic liquids for selective tantalum extraction

Autor: Guilhem Arrachart, Sophie Legeai, Stéphane Pellet-Rostaing, Stephanie Michel, Manuel Lejeune, Micheline Draye, Raphaël Turgis

Publikováno v: Separation and Purification Technology
Separation and Purification Technology, 2018, 196, pp.174-182. ⟨10.1016/j.seppur.2017.08.009⟩
Separation and Purification Technology, Elsevier, 2018, 196, pp.174-182. ⟨10.1016/j.seppur.2017.08.009⟩

International audience; A novel family of ketone functionalized task specific ionic liquids (TSILs) was designed for the selective extraction of tantalum from sulfuric acid medium. We report the synthesis of functionalized hydrophobic ionic liquids b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82a2a104c16ea24c5eba4519ed6214ad
https://hal.science/hal-02062512