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Solvometallurgy for critical metals

Total Cost €


EC-Contrib. €






 SOLCRIMET project word cloud

Explore the words cloud of the SOLCRIMET project. It provides you a very rough idea of what is the project "SOLCRIMET" about.

crisis    components    risk    purity    lab    materials    recycling    breaking    enablers    transition    outcomes    aqueous    recycle    manufacturing    carbon    niobium    chemical    efficient    tantalum    mitigation    faced    strategy    complexes    extracting    solvometallurgical    earth    changing    recycled    successfully    multicomponent    cobalt    germanium    deposit    energy    immiscible    life    antimony    discovery    attempting    efficiency    solvent    science    chemistry    realistic    enhanced    respect    levels    demonstrators    clean    solvometallurgy    longer    arguably    circular    applicability    gallium    encouraging    earths    pyrometallurgy    game    idea    metallurgy    global    moderate    extraction    realisation    branch    rare    engineering    ground    develops    temperatures    utility    waste    preliminary    stability    rates    metals    guaranteed    pure    pairs    economy    primary    indium    ore    tech    solcrimet    critical    conventional    metal    hydro    possibility   

Project "SOLCRIMET" data sheet

The following table provides information about the project.


Organization address
address: OUDE MARKT 13
city: LEUVEN
postcode: 3000

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Belgium [BE]
 Project website
 Total cost 2˙496˙250 €
 EC max contribution 2˙496˙250 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-AdG
 Funding Scheme ERC-ADG
 Starting year 2016
 Duration (year-month-day) from 2016-09-01   to  2021-08-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    KATHOLIEKE UNIVERSITEIT LEUVEN BE (LEUVEN) coordinator 2˙496˙250.00


 Project objective

The recent “rare-earth crisis” has brought about the widespread realisation that the long-term availability and cost stability of many materials – not just the rare earths – can no longer be guaranteed. Increasing the levels of critical metal recycling from pre-consumer, manufacturing waste and complex, multicomponent end-of-life consumer products is considered as arguably the most important and realistic mitigation strategy. However, extracting a critical metal from complex waste is a very different challenge to that faced when attempting to produce a pure metal from a primary ore deposit. SOLCRIMET therefore develops a ground-breaking, novel approach called “solvometallurgy”, a new branch within metallurgy, next to conventional hydro- and pyrometallurgy. SOLCRIMET’s aim is to successfully apply this approach to the extraction of specific critical metals, i.e. rare earths, tantalum, niobium, cobalt, indium, gallium, germanium and antimony. As these critical metals are essential components for clean-tech and high-tech applications, they are key enablers of the required transition to a low-carbon, circular economy. The approach involves the discovery of non-aqueous solvent pairs that are immiscible and allow the extraction of metal complexes at moderate temperatures, leading to high-purity recycled metals. The idea is certainly high risk, but the preliminary results already obtained are highly encouraging. The main outcomes of the project will be lab-scale demonstrators that show the enhanced efficiency, utility and applicability of the new solvometallurgical process, with respect to conventional hydro- and pyrometallurgy. SOLCRIMET’s impact on chemistry, chemical technology, metallurgy and materials engineering science will be game-changing. The possibility to recycle critical metals with energy-efficient, low-cost processes could have a significant impact on the global recycling rates of these metals.


year authors and title journal last update
List of publications.
2019 Roberto Macchieraldo, Sascha Gehrke, Nagaphani K. Batchu, Barbara Kirchner, Koen Binnemans
Tuning Solvent Miscibility: A Fundamental Assessment on the Example of Induced Methanol/ n -Dodecane Phase Separation
published pages: 4400-4407, ISSN: 1520-6106, DOI: 10.1021/acs.jpcb.9b00839
The Journal of Physical Chemistry B 123/20 2019-10-30
2019 Rayco Lommelen, Tom Vander Hoogerstraete, Bieke Onghena, Isabelle Billard, Koen Binnemans
Model for Metal Extraction from Chloride Media with Basic Extractants: A Coordination Chemistry Approach
published pages: 12289-12301, ISSN: 0020-1669, DOI: 10.1021/acs.inorgchem.9b01782
Inorganic Chemistry 58/18 2019-10-30
2019 Zheng Li, Zidan Zhang, Simon Smolders, Xiaohua Li, Stijn Raiguel, Erik Nies, Dirk E. De Vos, Koen Binnemans
Enhancing Metal Separations by Liquid–Liquid Extraction Using Polar Solvents
published pages: 9197-9201, ISSN: 0947-6539, DOI: 10.1002/chem.201901800
Chemistry – A European Journal 25/39 2019-10-17
2019 Zheng Li, Bieke Onghena, Xiaohua Li, Zidan Zhang, Koen Binnemans
Enhancing Metal Separations Using Hydrophilic Ionic Liquids and Analogues as Complexing Agents in the More Polar Phase of Liquid–Liquid Extraction Systems
published pages: 15628-15636, ISSN: 0888-5885, DOI: 10.1021/acs.iecr.9b03472
Industrial & Engineering Chemistry Research 58/34 2019-10-17
2019 Zheng Li, Brent Bruynseels, Zidan Zhang, Koen Binnemans
Separation of GaCl 3 from AlCl 3 by Solid–Liquid Extraction and Stripping Using Anhydrous n -Dodecane and NaCl
published pages: 12459-12464, ISSN: 0888-5885, DOI: 10.1021/acs.iecr.9b00768
Industrial & Engineering Chemistry Research 58/27 2019-10-17
2018 Xiaohua Li, Arne Van den Bossche, Tom Vander Hoogerstraete, Koen Binnemans
Ionic liquids with trichloride anions for oxidative dissolution of metals and alloys
published pages: 475-478, ISSN: 1359-7345, DOI: 10.1039/C7CC08645H
Chemical Communications 54/5 2019-06-13
2017 Koen Binnemans, Peter Tom Jones
Solvometallurgy: An Emerging Branch of Extractive Metallurgy
published pages: 570-600, ISSN: 2199-3823, DOI: 10.1007/s40831-017-0128-2
Journal of Sustainable Metallurgy 3/3 2019-06-13
2017 Nagaphani Kumar Batchu, Tom Vander Hoogerstraete, Dipanjan Banerjee, Koen Binnemans
Separation of rare-earth ions from ethylene glycol (+LiCl) solutions by non-aqueous solvent extraction with Cyanex 923
published pages: 45351-45362, ISSN: 2046-2069, DOI: 10.1039/C7RA09144C
RSC Advances 7/72 2019-06-13
2018 Zheng Li, Xiaohua Li, Stijn Raiguel, Koen Binnemans
Separation of transition metals from rare earths by non-aqueous solvent extraction from ethylene glycol solutions using Aliquat 336
published pages: 318-326, ISSN: 1383-5866, DOI: 10.1016/j.seppur.2018.03.022
Separation and Purification Technology 201 2019-06-13
2018 Xiaohua Li, Zheng Li, Martina Orefice, Koen Binnemans
Metal Recovery from Spent Samarium–Cobalt Magnets Using a Trichloride Ionic Liquid
published pages: 2578-2584, ISSN: 2168-0485, DOI: 10.1021/acssuschemeng.8b05604
ACS Sustainable Chemistry & Engineering 7/2 2019-06-03
2018 Steff Van Loy, Koen Binnemans, Tom Van Gerven
Mechanochemical-Assisted Leaching of Lamp Phosphors: A Green Engineering Approach for Rare-Earth Recovery
published pages: 398-405, ISSN: 2095-8099, DOI: 10.1016/j.eng.2018.05.015
Engineering 4/3 2019-06-03
2018 Koen Binnemans, Bram Verbelen, Wim Dehaen
Selective Substitution of POCl3 with Organometallic Reagents: Synthesis of Phosphinates and Phosphonates
published pages: 2019-2026, ISSN: 0039-7881, DOI: 10.1055/s-0037-1609435
Synthesis 50/10 2019-06-03
2018 Bieke Onghena, Eleonora Papagni, Ernesto Rezende Souza, Dipanjan Banerjee, Koen Binnemans, Tom Vander Hoogerstraete
Speciation of lanthanide ions in the organic phase after extraction from nitrate media by basic extractants
published pages: 32044-32054, ISSN: 2046-2069, DOI: 10.1039/c8ra06712k
RSC Advances 8/56 2019-06-06
2019 Martina Orefice, Heleen Audoor, Zheng Li, Koen Binnemans
Solvometallurgical route for the recovery of Sm, Co, Cu and Fe from SmCo permanent magnets
published pages: 281-289, ISSN: 1383-5866, DOI: 10.1016/j.seppur.2019.03.029
Separation and Purification Technology 219 2019-05-22
2019 Clio Deferm, João C. Malaquias, Bieke Onghena, Dipanjan Banerjee, Jan Luyten, Harald Oosterhof, Jan Fransaer, Koen Binnemans
Electrodeposition of indium from the ionic liquid trihexyl(tetradecyl)phosphonium chloride
published pages: 1517-1530, ISSN: 1463-9262, DOI: 10.1039/c8gc03389g
Green Chemistry 21/6 2019-05-22
2019 Wouter Monnens, Clio Deferm, Jeroen Sniekers, Jan Fransaer, Koen Binnemans
Electrodeposition of indium from non-aqueous electrolytes
published pages: 4789-4792, ISSN: 1359-7345, DOI: 10.1039/c8cc10254f
Chemical Communications 55/33 2019-05-15

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