| People | Locations | Statistics |
|---|---|---|
| Naji, M. |
| |
| Motta, Antonella |
| |
| Aletan, Dirar |
| |
| Mohamed, Tarek |
| |
| Ertürk, Emre |
| |
| Taccardi, Nicola |
| |
| Kononenko, Denys |
| |
| Petrov, R. H. | Madrid |
|
| Alshaaer, Mazen | Brussels |
|
| Bih, L. |
| |
| Casati, R. |
| |
| Muller, Hermance |
| |
| Kočí, Jan | Prague |
|
| Šuljagić, Marija |
| |
| Kalteremidou, Kalliopi-Artemi | Brussels |
|
| Azam, Siraj |
| |
| Ospanova, Alyiya |
| |
| Blanpain, Bart |
| |
| Ali, M. A. |
| |
| Popa, V. |
| |
| Rančić, M. |
| |
| Ollier, Nadège |
| |
| Azevedo, Nuno Monteiro |
| |
| Landes, Michael |
| |
| Rignanese, Gian-Marco |
|
Meux, Eric
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Electroleaching and electrodeposition of silver in ethaline 1 : 2 and propeline 1 : 3: transport properties and electrode phenomena†
- 2023Propeline: a green alternative to Ethaline for electrochemical recovery of precious metals
- 2023Propeline : a new candidate for precious metal recovery 3rd International Meeting on Deep Eutectic Systems, Lisbonne, 19-22 juin 2023
- 2022Coupling electrochemical leaching and electrodeposition in ionic solvents for critical and precious metals recovery
- 2021Mass transport in Ionic Solvents during electrodeposition of gold and palladium
- 2021Greening effect of slag cement-based concrete: Environmental and ecotoxicological impactcitations
- 2021Electrochemical recovery of precious metals in Ionic Liquid mixtures or Deep Eutectic Solvents
- 2018Recovery of Metals from Secondary Raw Materials by Coupled Electroleaching and Electrodeposition in Aqueous or Ionic Liquid Mediacitations
- 2017Electrochemical recovery of platinum from spent proton exchange membrane fuel cells using ionic liquid melts
- 2016Direct recovery of cadmium and nickel from Ni-Cd spent batteries by electroassisted leaching and electrodeposition in a single-cell processcitations
- 2015Electroassisted leaching of black mass solids from Ni–Cd batteries for metal recovery: Investigation of transport and transfer phenomena coupled to reactionscitations
- 2015End-of-life nickel-cadmium accumulators: characterization of electrode materials and industrial Black Masscitations
- 2001Recherche d’un procédé hydrométallurgique de valorisation des poussières d’aciérie électriquecitations
Places of action
| Organizations | Location | People |
|---|
document
Electrochemical recovery of precious metals in Ionic Liquid mixtures or Deep Eutectic Solvents
Abstract
Nowadays, Waste Electrical and Electronic Equipment (WEEE) are rising all over the world. Furthermore, e-waste (mobiles, tablets…) could contain some important concentration of critical, rare, or precious metals. So on, metal valorization from end-of-life electronic appliances is one of the most important challenge regarding raw materials depletion and supply but also waste generation. Currently, precious metals recovery from end-of-life products imply pyrometallurgical and hydrometallurgical processes. However, hydrometallurgical processes used to refine precious metals presents some hazardous drawbacks (harmful reagents for the human life and the earth like cyanide or strong acids, wastewater generation).The use of Ionic Liquids (IL) or Deep Eutectic Solvents (DES) could represent a solution more respectful of Green chemistry principles to this application. Indeed, these solvents have a low vapor pressure and are non-flammable which considerably reduce hazards. Furthermore, they have a great stability (thermal and electrochemical) and should act like efficient complexing agents, two very useful properties for precious metals leaching without any solvent degradation. Therefore, IL and DES are already used at the pilot stage to recover metals [1][2][3]. Recently, CEA Liten and Jean Lamour Institute obtained promising results on a single step electroleaching-electrodeposition (El-Ed) process using ionic liquids for Pt recovery from a membrane electrode assembly (MEA)[4]. However similar process for precious metals contained in WEEE is not straightforward. In present work, we evaluate ionic solvent relevance for developing an El-Ed process for gold and palladium recovery. We present here electrochemical behavior and leaching and deposition potential data in IL-mixture and DES for gold and palladium, which are required for this process. Promising ionic liquids tested exhibit gold electroleaching rate comparable toin the same magnitude of conventional cyanide solution meanwhile DES exhibit faster leaching kinetics. For these promising electrolytes, we present other relevant properties including electrochemical stability, density, viscosity, and conductivity to further optimize leaching step and recovery steps.1.A.P. Abbott, G. Frisch, K. S. Ryder, Annual Reports Section « A » (Inorganic Chemistry), 104 (2008) 21.2.ANR program, « Strategic metal recycling in Ionic Liquids by EXtraction and Electrodeposition process», 2014 3.https://www.seren-ag.com/rem-magnet-recycling/ 4.M. Balva, S. Legeai, N. Leclerc, ChemSusChem, 10 (2017) 2922 2935.