Recovery of Metals from Secondary Raw Materials by Coupled Electroleaching and Electrodeposition in Aqueous or Ionic Liquid Media
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 media, the paper describes the potential and the limi...
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| Format: | Article |
| Language: | English |
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MDPI AG
2018-07-01
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| Series: | Metals |
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| Online Access: | http://www.mdpi.com/2075-4701/8/7/556 |
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| author | Nathalie Leclerc Sophie Legeai Maxime Balva Claire Hazotte Julien Comel François Lapicque Emmanuel Billy Eric Meux |
| author_facet | Nathalie Leclerc Sophie Legeai Maxime Balva Claire Hazotte Julien Comel François Lapicque Emmanuel Billy Eric Meux |
| author_sort | Nathalie Leclerc |
| collection | DOAJ |
| description | 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 media, the paper describes the potential and the limits of the novel, hybrid technique, together with the methodology employed, combining determination of speciation, physical chemistry, electrochemistry, and chemical engineering. On one hand, the case of electroleaching/electrodeposition (E/E) process in aqueous media, although often investigated at the bench scale, appears nevertheless relatively mature, because of the developed methodology, and the appreciable current density allowed, and so it can be used to successfully treat electrode materials of spent Zn/MnO2 batteries or Ni/Cd accumulators and Waelz oxide. On the other hand, the use of ionic liquids as promising media for the recovery of various metals can be considered for other types of wastes, as shown here for the case of electrodes of aged fuel cells. The combined (E/E) technique could be successfully used for the above waste, in particular by the tricky selection of ionic liquid media. Nevertheless, further investigations in physical chemistry and chemical engineering appear necessary for possible developments of larger-scale processes for the recovery of these strategic resources. |
| first_indexed | 2024-04-13T00:41:36Z |
| format | Article |
| id | doaj.art-d5b85cb176144d5d9f346f6ce9196d75 |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-04-13T00:41:36Z |
| publishDate | 2018-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-d5b85cb176144d5d9f346f6ce9196d752022-12-22T03:10:08ZengMDPI AGMetals2075-47012018-07-018755610.3390/met8070556met8070556Recovery of Metals from Secondary Raw Materials by Coupled Electroleaching and Electrodeposition in Aqueous or Ionic Liquid MediaNathalie Leclerc0Sophie Legeai1Maxime Balva2Claire Hazotte3Julien Comel4François Lapicque5Emmanuel Billy6Eric Meux7Groupe Chimie et Electrochimie des Matériaux, Institut Jean Lamour, CNRS—Université de Lorraine, 1 Boulevard Arago, BP 95823, 57078 Metz CEDEX 3, FranceGroupe Chimie et Electrochimie des Matériaux, Institut Jean Lamour, CNRS—Université de Lorraine, 1 Boulevard Arago, BP 95823, 57078 Metz CEDEX 3, FranceGroupe Chimie et Electrochimie des Matériaux, Institut Jean Lamour, CNRS—Université de Lorraine, 1 Boulevard Arago, BP 95823, 57078 Metz CEDEX 3, FranceLaboratoire Réactions et Génie des Procédés-CNRS-Université de Lorraine ENSIC—1 rue Grandville, 54001 Nancy, FranceGroupe Chimie et Electrochimie des Matériaux, Institut Jean Lamour, CNRS—Université de Lorraine, 1 Boulevard Arago, BP 95823, 57078 Metz CEDEX 3, FranceFrench Network of Hydrometallurgy Promethée, GDR CNRS 3749, 2 rue du Doyen Roubault, 54518 Vandoeuvre-lès-Nancy, FranceFrench Network of Hydrometallurgy Promethée, GDR CNRS 3749, 2 rue du Doyen Roubault, 54518 Vandoeuvre-lès-Nancy, FranceGroupe Chimie et Electrochimie des Matériaux, Institut Jean Lamour, CNRS—Université de Lorraine, 1 Boulevard Arago, BP 95823, 57078 Metz CEDEX 3, FranceThis 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 media, the paper describes the potential and the limits of the novel, hybrid technique, together with the methodology employed, combining determination of speciation, physical chemistry, electrochemistry, and chemical engineering. On one hand, the case of electroleaching/electrodeposition (E/E) process in aqueous media, although often investigated at the bench scale, appears nevertheless relatively mature, because of the developed methodology, and the appreciable current density allowed, and so it can be used to successfully treat electrode materials of spent Zn/MnO2 batteries or Ni/Cd accumulators and Waelz oxide. On the other hand, the use of ionic liquids as promising media for the recovery of various metals can be considered for other types of wastes, as shown here for the case of electrodes of aged fuel cells. The combined (E/E) technique could be successfully used for the above waste, in particular by the tricky selection of ionic liquid media. Nevertheless, further investigations in physical chemistry and chemical engineering appear necessary for possible developments of larger-scale processes for the recovery of these strategic resources.http://www.mdpi.com/2075-4701/8/7/556metal recoveryelectroleachingelectrodepositionsecondary raw materialsionic liquids |
| spellingShingle | Nathalie Leclerc Sophie Legeai Maxime Balva Claire Hazotte Julien Comel François Lapicque Emmanuel Billy Eric Meux Recovery of Metals from Secondary Raw Materials by Coupled Electroleaching and Electrodeposition in Aqueous or Ionic Liquid Media Metals metal recovery electroleaching electrodeposition secondary raw materials ionic liquids |
| title | Recovery of Metals from Secondary Raw Materials by Coupled Electroleaching and Electrodeposition in Aqueous or Ionic Liquid Media |
| title_full | Recovery of Metals from Secondary Raw Materials by Coupled Electroleaching and Electrodeposition in Aqueous or Ionic Liquid Media |
| title_fullStr | Recovery of Metals from Secondary Raw Materials by Coupled Electroleaching and Electrodeposition in Aqueous or Ionic Liquid Media |
| title_full_unstemmed | Recovery of Metals from Secondary Raw Materials by Coupled Electroleaching and Electrodeposition in Aqueous or Ionic Liquid Media |
| title_short | Recovery of Metals from Secondary Raw Materials by Coupled Electroleaching and Electrodeposition in Aqueous or Ionic Liquid Media |
| title_sort | recovery of metals from secondary raw materials by coupled electroleaching and electrodeposition in aqueous or ionic liquid media |
| topic | metal recovery electroleaching electrodeposition secondary raw materials ionic liquids |
| url | http://www.mdpi.com/2075-4701/8/7/556 |
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