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Vauloup J, Bouilhac C, Sougrati MT, Stievano L, Coppey N, Zitolo A, Monconduit L, Lacroix-Desmazes P. Lithium and cobalt extraction from LiCoO 2 assisted by p(VBPDA-co-FDA) copolymers in supercritical CO 2. WASTE MANAGEMENT (NEW YORK, N.Y.) 2024; 181:199-210. [PMID: 38643515 DOI: 10.1016/j.wasman.2024.03.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 01/30/2024] [Accepted: 03/12/2024] [Indexed: 04/23/2024]
Abstract
Supercritical CO2 (scCO2) extraction assisted by complexing copolymers is a promising process to recover valuable metals from lithium-ion batteries (LIBs). CO2, in addition to being non-toxic, abundant and non-flammable, allows an easy separation of metal-complexes from the extraction medium by depressurization, limiting the wastewater production. In this study, CO2-philic gradient copolymers bearing phosphonic diacid complexing groups (poly(vinylbenzylphosphonic diacid-co-1,1,2,2-tetrahydroperfluorodecylacrylate), p(VBPDA-co-FDA)) were synthesized for the extraction of lithium and cobalt from LiCoO2 cathode material. Notably, the copolymer was able to play the triple role of leaching agent, complexing agent and surfactant. The proof of concept for leaching, complexation and extraction was achieved, using two different extraction systems. A first extraction system used aqueous hydrogen peroxide as reducing agent while it was replaced by ethanol in the second extraction system. The scCO2 extraction conditions such as extraction time, temperature, functional copolymer concentration, and the presence of additives were optimized to improve the metals extraction from LiCoO2 cathode material, leading to an extraction efficiency of Li and Co up to ca. 75 % at 60 °C and 250 bar.
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Affiliation(s)
- Joshua Vauloup
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France
| | | | - Moulay Tahar Sougrati
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France; RS2E, Réseau Français sur le Stockage Electrochimique de l'Energie, FR CNRS #3459, Amiens F-80039 Cedex 1, France
| | - Lorenzo Stievano
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France; RS2E, Réseau Français sur le Stockage Electrochimique de l'Energie, FR CNRS #3459, Amiens F-80039 Cedex 1, France
| | | | | | - Laure Monconduit
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France; RS2E, Réseau Français sur le Stockage Electrochimique de l'Energie, FR CNRS #3459, Amiens F-80039 Cedex 1, France
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Ruiu A, Li WSJ, Senila M, Bouilhac C, Foix D, Bauer-Siebenlist B, Seaudeau-Pirouley K, Jänisch T, Böringer S, Lacroix-Desmazes P. Recovery of Precious Metals: A Promising Process Using Supercritical Carbon Dioxide and CO 2-Soluble Complexing Polymers for Palladium Extraction from Supported Catalysts. Molecules 2023; 28:6342. [PMID: 37687180 PMCID: PMC10488959 DOI: 10.3390/molecules28176342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/21/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
Precious metals such as palladium (Pd) have many applications, ranging from automotive catalysts to fine chemistry. Platinum group metals are, thus, in massive demand for industrial applications, even though they are relatively rare and belong to the list of critical materials for many countries. The result is an explosion of their price. The recovery of Pd from spent catalysts and, more generally, the development of a circular economy process around Pd, becomes essential for both economic and environmental reasons. To this aim, we propose a sustainable process based on the use of supercritical CO2 (i.e., a green solvent) operated in mild conditions of pressure and temperature (p = 25 MPa, T = 313 K). Note that the range of CO2 pressures commonly used for extraction is going from 15 to 100 MPa, while temperatures typically vary from 308 to 423 K. A pressure of 25 MPa and a temperature of 313 K can, therefore, be viewed as mild conditions. CO2-soluble copolymers bearing complexing groups, such as pyridine, triphenylphosphine, or acetylacetate, were added to the supercritical fluid to extract the Pd from the catalyst. Two supported catalysts were tested: a pristine aluminosilicate-supported catalyst (Cat D) and a spent alumina supported-catalyst (Cat A). An extraction conversion of up to more than 70% was achieved in the presence of the pyridine-containing copolymer. The recovery of the Pd from the polymer was possible after extraction, and the technological and economical assessment of the process was considered.
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Affiliation(s)
- Andrea Ruiu
- ICGM, University Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (A.R.); (W.S.J.L.)
| | - W. S. Jennifer Li
- ICGM, University Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (A.R.); (W.S.J.L.)
| | - Marin Senila
- INCDO-INOE 2000, Research Institute for Analytical Instrumentation, ICIA, 400293 Cluj-Napoca, Romania;
| | - Cécile Bouilhac
- ICGM, University Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (A.R.); (W.S.J.L.)
| | - Dominique Foix
- IPREM, Université de Pau et des Pays de l’Adour, E2S-UPPA, CNRS, 64053 Pau, France;
| | | | | | - Thorsten Jänisch
- Fraunhofer Institute for Chemical Technology, 76327 Pfinztal, Germany; (T.J.); (S.B.)
| | - Sarah Böringer
- Fraunhofer Institute for Chemical Technology, 76327 Pfinztal, Germany; (T.J.); (S.B.)
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Zupanc A, Install J, Jereb M, Repo T. Sustainable and Selective Modern Methods of Noble Metal Recycling. Angew Chem Int Ed Engl 2023; 62:e202214453. [PMID: 36409274 PMCID: PMC10107291 DOI: 10.1002/anie.202214453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/20/2022] [Accepted: 11/21/2022] [Indexed: 11/23/2022]
Abstract
Noble metals exhibit broad arrange of applications in industry and several aspects of human life which are becoming more and more prevalent in modern times. Due to their limited sources and constantly and consistently expanding demand, recycling of secondary and waste materials must accompany the traditional mineral extractions. This Minireview covers the most recent solvometallurgical developments in regeneration of Pd, Pt, Rh, Ru, Ir, Os, Ag and Au with emphasis on sustainability and selectivity. Processing-by selective oxidative dissolution, reductive precipitation, solvent extraction, co-precipitation, membrane transfer and trapping to solid media-of eligible multi-metal substrates for recycling from waste printed circuit boards to end-of-life automotive catalysts are discussed. Outlook for possible future direction for noble metal recycling is proposed with emphasis on sustainable approaches.
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Affiliation(s)
- Anže Zupanc
- Department of Chemistry, University of Helsinki, P.O. Box 55 (A. I. Virtasen aukio 1), 00014, Helsinki, Finland.,Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, 1000, Ljubljana, Slovenia
| | - Joseph Install
- Department of Chemistry, University of Helsinki, P.O. Box 55 (A. I. Virtasen aukio 1), 00014, Helsinki, Finland
| | - Marjan Jereb
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, 1000, Ljubljana, Slovenia
| | - Timo Repo
- Department of Chemistry, University of Helsinki, P.O. Box 55 (A. I. Virtasen aukio 1), 00014, Helsinki, Finland
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Merits and Demerits of Carbon Dioxide in Separation Processes. SEPARATIONS 2022. [DOI: 10.3390/separations9120419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
In 2020~2021, there were many frequently cited articles published in Separations [...]
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Ruiu A, Bouilhac C, Gimello O, Seaudeau-Pirouley K, Senila M, Jänisch T, Lacroix-Desmazes P. Synthesis and Phase Behavior of a Platform of CO2-Soluble Functional Gradient Copolymers Bearing Metal-Complexing Units. Polymers (Basel) 2022; 14:polym14132698. [PMID: 35808744 PMCID: PMC9269141 DOI: 10.3390/polym14132698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/24/2022] [Accepted: 06/26/2022] [Indexed: 12/10/2022] Open
Abstract
The synthesis and characterization of a platform of novel functional fluorinated gradient copolymers soluble in liquid and supercritical CO2 is reported. These functional copolymers are bearing different types of complexing units (pyridine, triphenylphosphine, acetylacetate, thioacetate, and thiol) which are well-known ligands for various metals. They have been prepared by reversible addition–fragmentation chain-transfer (RAFT) polymerization in order to obtain well-defined gradient copolymers. The copolymers have been characterized by proton nuclear magnetic resonance (1H-NMR) spectroscopy, matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry, thermal gravimetric analysis (TGA), dynamical scanning calorimetry (DSC) and cloud point measurements in dense CO2. All the investigated metal-complexing copolymers are soluble in dense CO2 under mild conditions (pressure lower than 30 MPa up to 65 °C), confirming their potential applications in processes such as metal-catalyzed reactions in dense CO2, metal impregnation, (e.g., preparation of supported catalysts) or metal extraction from various substrates (solid or liquid effluents). Particularly, it opens the door to greener and less energy-demanding processes for the recovery of metals from spent catalysts compared to more conventional pyro- and hydro-metallurgical methods.
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Affiliation(s)
- Andrea Ruiu
- ICGM, Univ. Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (A.R.); (O.G.)
| | - Cécile Bouilhac
- ICGM, Univ. Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (A.R.); (O.G.)
- Correspondence: (C.B.); (P.L.-D.)
| | - Olinda Gimello
- ICGM, Univ. Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (A.R.); (O.G.)
| | | | - Marin Senila
- INCDO INOE 2000, Research Institute for Analytical Instrumentation, ICIA, 400293 Cluj-Napoca, Romania;
| | - Thorsten Jänisch
- Fraunhofer Institute for Chemical Technology, 76327 Pfinztal, Germany;
| | - Patrick Lacroix-Desmazes
- ICGM, Univ. Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (A.R.); (O.G.)
- Correspondence: (C.B.); (P.L.-D.)
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Chen J, Meng T, Leng E, E J. Review on metal dissolution characteristics and harmful metals recovery from electronic wastes by supercritical water. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127693. [PMID: 34799178 DOI: 10.1016/j.jhazmat.2021.127693] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 10/21/2021] [Accepted: 10/31/2021] [Indexed: 06/13/2023]
Abstract
Supercritical water (SCW) technology can be applied as an efficient and environment-friendly method to recover toxic or complex chemical wastes. Separation and chemical reactions under supercritical conditions may be realized by changing the temperature, pressure, and other operating parameters to adjust the physical and chemical properties of water. However, salt deposition and corrosion are often encountered during the treatment of inorganic substances, which will hinder the commercial applications of SCW technology. The solubility of salt in high pressure/temperature water forms the theoretical basis for studying the recovery of metal salts in supercritical water and understanding salt deposition. Therefore, this work systematically and objectively reviews different research methods used to analyze salt solubility in high pressure/temperature water, including the experimental method, prediction theoretical modeling, and computer simulation method; the research status and existing data of this parameter are also analyzed. The purpose of this review is to provide ideas and references for follow-up research by providing a comprehensive overview of salt solubility research methods and the current situation. Suggestions for more efficient metal recovery through technology integration are also provided.
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Affiliation(s)
- Jingwei Chen
- College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China; Institute of New Energy and Energy-Saving & Emission-Reduction Technology, Hunan University, Changsha 410082, China.
| | - Tian Meng
- College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China
| | - Erwei Leng
- College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China
| | - Jiaqiang E
- College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China; Institute of New Energy and Energy-Saving & Emission-Reduction Technology, Hunan University, Changsha 410082, China
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Abstract
The need to drive towards sustainable metal resource recovery from end-of-cycle products cannot be overstated. This review attempts to investigate progress in the development of recycling strategies for the recovery of strategic metals, such as precious metals and base metals, from catalytic converters, e-waste, and batteries. Several methods for the recovery of metal resources have been explored for these waste streams, such as pyrometallurgy, hydrometallurgy, and biohydrometallurgy. The results are discussed, and the efficiency of the processes and the chemistry involved are detailed. The conversion of metal waste to high-value nanomaterials is also presented. Process flow diagrams are also presented, where possible, to represent simplified process steps. Despite concerns about environmental effects from processing the metal waste streams, the gains for driving towards a circular economy of these waste streams are enormous. Therefore, the development of greener processes is recommended. In addition, countries need to manage their metal waste streams appropriately and ensure that this becomes part of the formal economic activity and, therefore, becomes regulated.
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Loreti MA, Reis MTA, Ismael MRC, Staszak K, Wieszczycka K. Effective Pd(II) carriers for classical extraction and pseudo-emulsion system. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118509] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Ruiu A, Bauer-Siebenlist B, Senila M, Li WSJ, Seaudeau-Pirouley K, Lacroix-Desmazes P, Jänisch T. Supercritical CO 2 Extraction of Palladium Oxide from an Aluminosilicate-Supported Catalyst Enhanced by a Combination of Complexing Polymers and Piperidine. Molecules 2021; 26:molecules26030684. [PMID: 33525610 PMCID: PMC7865370 DOI: 10.3390/molecules26030684] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/17/2021] [Accepted: 01/18/2021] [Indexed: 11/16/2022] Open
Abstract
Precious metals, in particular Pd, have a wide range of applications in industry. Due to their scarcity, precious metals have to be recycled, preferably with green and energy-saving recycling processes. In this article, palladium extraction from an aluminosilicate-supported catalyst, containing about 2 wt% (weight%) of Pd (100% PdO), with supercritical CO2 (scCO2) assisted by complexing polymers is described. Two polymers, p(FDA)SH homopolymer and p(FDA-co-DPPS) copolymer (FDA: 1,1,2,2-tetrahydroperfluorodecyl acrylate; DPPS: 4-(diphenylphosphino)styrene), were tested with regards to their ability to extract palladium. Both polymers showed relatively low extraction conversions of approximately 18% and 30%, respectively. However, the addition of piperidine as activator for p(FDA-co-DPPS) allowed for an increase in the extraction conversion of up to 60%.
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Affiliation(s)
- Andrea Ruiu
- ICGM, Univ Montpellier, CNRS, ENSCM, 34095 Montpellier, France; (A.R.); (W.S.J.L.)
| | | | - Marin Senila
- National Institute for Research and Development of Optoelectronics Bucharest, Research Institute for Analytical Instrumentation, Donath 67, 400293 Cluj-Napoca, Romania;
| | - W. S. Jennifer Li
- ICGM, Univ Montpellier, CNRS, ENSCM, 34095 Montpellier, France; (A.R.); (W.S.J.L.)
| | - Karine Seaudeau-Pirouley
- Innovation Fluides Supercritiques (IFS), Bâtiment INEED, 1 Rue Marc, Seguin, BP16109, 26300 Alixan, France;
| | - Patrick Lacroix-Desmazes
- ICGM, Univ Montpellier, CNRS, ENSCM, 34095 Montpellier, France; (A.R.); (W.S.J.L.)
- Correspondence: (P.L.-D.); (T.J.)
| | - Thorsten Jänisch
- Fraunhofer Institute for Chemical Technology (ICT), Joseph-von-Fraunhofer-Str. 7, 76327 Pfinztal, Germany
- Correspondence: (P.L.-D.); (T.J.)
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Peng W, Cai Y, Fanslau L, Vana P. Nanoengineering with RAFT polymers: from nanocomposite design to applications. Polym Chem 2021. [DOI: 10.1039/d1py01172c] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Reversible addition–fragmentation chain-transfer (RAFT) polymerization is a powerful tool for the precise formation of macromolecular building blocks that can be used for the construction of well-defined nanocomposites.
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Affiliation(s)
- Wentao Peng
- Institut für Physikalische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 6, 37077 Göttingen, Germany
| | - Yingying Cai
- Institut für Physikalische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 6, 37077 Göttingen, Germany
| | - Luise Fanslau
- Institut für Physikalische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 6, 37077 Göttingen, Germany
| | - Philipp Vana
- Institut für Physikalische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 6, 37077 Göttingen, Germany
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Senila M, Cadar O, Senila L, Böringer S, Seaudeau-Pirouley K, Ruiu A, Lacroix-Desmazes P. Performance Parameters of Inductively Coupled Plasma Optical Emission Spectrometry and Graphite Furnace Atomic Absorption Spectrometry Techniques for Pd and Pt Determination in Automotive Catalysts. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E5136. [PMID: 33202565 PMCID: PMC7697727 DOI: 10.3390/ma13225136] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/09/2020] [Accepted: 11/12/2020] [Indexed: 11/23/2022]
Abstract
Palladium (Pd) and platinum (Pt) are extensively used as catalysts in the petrochemical and automotive industries, and due to high demand for them on the market, their recycling from spent supported catalysts is clearly needed. To assess the content of Pd and Pt in catalysts in order to establish their commercial value or to evaluate the recovery efficiency of technologies used for recycling, reliable analytical methods for determination of these elements are required. Spectrometric methods, such as inductively coupled plasma optical emission spectrometry (ICP-OES) and graphite furnace atomic absorption spectrometry (GFAAS) are powerful tools that can be employed for the determination of Pd and Pt in various sample matrices. However, these methods allow only the injection of liquid samples. In this regard, the digestion of solid sample by microwave-assisted acid extraction procedures at high pressures and temperatures is often used. In this study, a microwave acid digestion method was optimized for the extraction of Pd and Pt from spent catalysts, using a four-step program, at a maximum 200 °C. The resulting solutions were analyzed using ICP-OES, at two different wavelengths for each metal (Pd at 340.458 and 363.470 nm, and Pt at 265.945 and 214.423 nm, respectively) and using GFAAS (Pd at 247.64 nm, Pt at 265.94 nm). Five types of spent catalyst were analyzed and the standard deviations of repeatability for five parallel samples were less than predicted relative standard deviations (PRSD%) calculated using Horvitz's equation for all the analyzed samples.
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Affiliation(s)
- Marin Senila
- National Institute for Research and Development of Optoelectronics Bucharest, Research Institute for Analytical Instrumentation, 400293 Cluj-Napoca, Romania; (O.C.); (L.S.)
| | - Oana Cadar
- National Institute for Research and Development of Optoelectronics Bucharest, Research Institute for Analytical Instrumentation, 400293 Cluj-Napoca, Romania; (O.C.); (L.S.)
| | - Lacrimioara Senila
- National Institute for Research and Development of Optoelectronics Bucharest, Research Institute for Analytical Instrumentation, 400293 Cluj-Napoca, Romania; (O.C.); (L.S.)
| | - Sarah Böringer
- Fraunhofer Institute for Chemical Technology ICT, Department Environmental Engineering, Group Reaction and Separation Techniques, 76327 Pfinztal, Germany;
| | | | - Andrea Ruiu
- Institut Charles Gerhardt Montpellier (ICGM), Univ Montpellier, CNRS, ENSCM, 34095 Montpellier, France;
| | - Patrick Lacroix-Desmazes
- Institut Charles Gerhardt Montpellier (ICGM), Univ Montpellier, CNRS, ENSCM, 34095 Montpellier, France;
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