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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Rare Metal Extraction & Processing
Presentation Title Innovative Solvent Extraction Processes for the Separation of Indium, Germanium and Gallium from Iron
Author(s) Toni Helbig, Norman Kelly, Ajay Bhagwan Patil
On-Site Speaker (Planned) Norman Kelly
Abstract Scope Germanium, gallium and indium are valuable elements due to their great economic importance and growing utilization in high-tech and green-tech applications. The exploitation of new resources, for example tailings, slags, or end-of-life products, as well as the application of sustainable biotechnological methods, results in the challenge of separating Fe(III) and In(III), Ge(IV) or Ga(III). With common methods, such as precipitation, the selectivity for In, Ga and Ge is often insufficient. The application of innovative solvent extraction processes is a promising approach to separate valuable metals from iron in order to make them available for an efficient recovery. In this study, we present the development of extraction methods using amine extractants for the selective separation of Fe(III) from In(III), Ga(III) and Ge(IV) in sulfate solutions. The influence of different parameters, e.g. pH and A/O, as well as the transfer to a continuous lab scale process will be discussed.
Proceedings Inclusion? Planned:
Keywords Hydrometallurgy,

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Extraction Vanadium from High Calcium and High Phosphorus Vanadium Slag by Magnesiation Roasting-acid Leaching
Gas Evolution during Nd and DyFe Electrowinning
High-performance Solid Phase Extraction Chromatography as Part of a Process for Recycling NdFeB Magnet Waste
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Investigating the Selectivity of Xanthates for the Flotation Separation of Base Metal and PGM Ores
Investigation of the Solvometallurgical Leaching Performance of Light Rare Earth Elements in Beylikova, Eskisehir Ores
Leaching of Critical Metals from Spent Lithium-ion Battery Using Acidic Organophosphorus Extractant
Manipulating Iron Precipitation and Gold Deportment during Pressure Oxidation
Mechanochemical Extraction of Lithium from α-Spodumene at Low Temperatures
Molecular Mechanisms in Specific Separation of Late Transition Metals from Rare Earth Elements
Parameter Study for the Production of DyFe by Molten Salt Electrolysis
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Rare Earth Magnet Recycling via Liquid Metal Leaching and Distillation
Recovery of Antimony from Refining Slag of the Unified Mining Company (EMUSA)
Recovery of High Purity Vanadium Salts from Bayer Liquor
Recovery of Rare Earth Sulfate Hydrates Using Antisolvent Crystallization
Selective Precipitation of Valuable Metals from Steel Slag Leach Liquor: Experimental and Theoretical Approaches
Separation of Critical Metals Using Supported Liquid Membranes PTFE-Cyanex 272
Solvent Extraction of Fe3+ with 2-Octanol from Wastewater after Gallium Recovery
Studies of Layer Growth during the Disintegration of Cemented Carbides with Vaporous Zinc
Synthetic Alkali Aluminosilicate-hydroxide Systems as an Analog To Optimize Lithium Recovery from LCT Pegmatites
Theoretical Study on the Separation of Impurity Tellurium from Crude Selenium by Vacuum Distillation
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