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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Rare Metal Extraction & Processing
Presentation Title Production of High-purity Mg Metal from Various MgO Resources through a Novel Electrolytic Process Using a Cu Cathode and Vacuum Distillation
Author(s) Hyeong-Jun Jeoung, Tae-Hyuk Lee, Youngjae Kim, Jin-Young Lee, Young Min Kim, Toru H. Okabe, Kyung-Woo Yi, Jungshin Kang
On-Site Speaker (Planned) Hyeong-Jun Jeoung
Abstract Scope In this study, the feasibility of producing Mg metal from primary and secondary resources containing MgO with the novel Mg production process was investigated. The electrolysis of various MgO resources was conducted in a MgF2–LiF–KCl molten salt at 1043 K by applying an average current of 1.44 A for 12.5 h using Cu cathode and C anode. After electrolysis, 9.20–14.4 mass% Mg–Cu alloys with a mixture of MgCu2 and Cu (Mg) phases were obtained with 59.3–92.4 % current efficiency, and the average cell potential was 2.43–2.75 V. After vacuum distillation of the Mg alloys at 1300 K for 10 h, Mg metal with a purity of 99.994–99.999 % was obtained with 90.7–91.5 % of recovery efficiency. Therefore, the proposed electrolysis process using a Cu cathode followed by vacuum distillation is an effective method to produce high-purity Mg metal from various MgO resources.
Proceedings Inclusion? Planned:


An Innovated Hydrometallurgical Process for Recoveries of Critical and Rare Metals from Copper Anode Slimes
Biosorption as a Vital Tool for Metal Recovery in Effluent Treatment: Review
Di-phenols Functionalized Chitosan as Selective Adsorbents for Extraction of Germanium
Eutectic Freeze Crystallization for Recovery of Cobalt Sulfate in the Recycling of Li-ion Batteries
Experimental Investigation of Liquid Metal Leaching for Rare Earth Magnet Recycling
Extraction of Tungsten, Yttrium and Uranium from Tantalum – Niobium Ore from Muchinga Province in Zambia
Formation Rates of Different Zinc Oxide Crystal Morphologies Associated with the Recycling of Zn-ion Batteries
Leaching of Neodymium from Recycled NdFeB Magnet Powders Using Citric Acid
New Insights on Titanium(IV) Speciation to Improve the Purification of Concentrated Phosphoric Acid
Production of High-purity Mg Metal from Various MgO Resources through a Novel Electrolytic Process Using a Cu Cathode and Vacuum Distillation
Production of Micro-sized Metallic Tungsten Particles from Natural Wolframite and Scheelite via Sulfide Chemistry
Purification of an Indigenous Barite Mineral for Sustainability of Operation in the Nigerian Oil and Gas Industries
Pyrolysis of Waste Printed Circuit Boards: Optimization Using Response Surface Methodology and Characterization of Solid Product
Rare Earth Elements Extraction from an Ionic Clay from South America
Recovery and Separation of Vanadium and Tungsten from Spent SCR Catalyst by Hydrometallurgical/ Hybrid Routes
Recovery of Copper Metal from Discarded Printed Circuit Boards (PCBs) by Hydro and Electro Metallurgical Processes
Recycling of Copper and Gold from Waste Printed Circuit Boards by Leaching Followed by Solvent Extraction
Recycling of Rare Earth Elements (REEs) from Scrap Nd-Fe-B Magnets
Removal of Selenium from Chloride Media using Bioadsorbent
Separation of Rare Earth Elements from Monazite via Sulfidation
Studies on the Hydrometallurgical Recovery of Metals from Used and End of Life PCBs
Tantalum Recovery Technique for Recycling of Tantalum Coated Composite Materials
The Behaviour of Minor Metals in BOF Slag Under Different Additives

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