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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Electrometallurgy 2020
Presentation Title Development of a Magnesium Metal Production Process Using North Korean Magnesite
Author(s) Jungshin Kang, Tae-Hyuk Lee, Young Min Kim, Jin-Young Lee
On-Site Speaker (Planned) Jungshin Kang
Abstract Scope Conventional and novel magnesium production processes were investigated in order to produce high-purity magnesium metal from North Korean magnesite. In the conventional process, 99.8 % magnesium metal was obtained through the electrolysis of MgCl2 obtained at 973–1040 K using 300 A electrolysis cell with 7.0 V applied, and current efficiency was 83.9 %. This process is proven technology; however, in order to resolve environmental issues such as the generation of chlorine gas, an investigation of the electrolysis of MgO using liquidus metal cathode such as tin for the production of Mg alloys in MgF2-LiF salt at 1083 K at 3.0 V was also conducted. The current efficiency was 75.8–85.6 %. In addition, 99.999 % magnesium metal was obtained from Mg alloys through vacuum distillation at 1200–1300 K. Therefore, this study demonstrates that the use of North Korean magnesite for magnesium production via electrolytic method is feasible.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A 3-D Numerical Model to Predict Low Temperature Aluminum Electrochemical Process Using Ionic Liquids as Electrolytes at Different Boundary Conditions
A Key Role for Electrometallurgy in Climate Change Mitigation
Capital Cost Estimation for Electrochemical Processes
Development of a Magnesium Metal Production Process Using North Korean Magnesite
Development of a Novel Magnesium Metal Production Process by Electrolysis of Magnesium Oxide Using a Tin Metal Cathode
Effective Copper Diffusion Coefficients in CuSO4 – H2SO4 Electrowinning Electrolytes
Electrolytic Extraction of Liquid Copper and Iron from Chalcopyrite Ore
Enhanced Aluminum Electrorefining Process from Aluminum Alloy Scraps via Surface Engineering
Future Prospects for Copper Leaching, Solvent Extraction and Electrowinning Technology
M-56 (Digital): Electron Beam Refinery and Purification in Newly Constructed Production Units with Gas Discharged Electron Beam Guns
M-58: Electrochemical Behavior of Fe2O3 in Electro-deoxygenation in NaCl-CaCl2 Molten Salt System
M-59: Reduction Mechanism of Metal Cobalt from Cathode Material of Waste Lithium Cobalt Oxide Battery
Modeling Nickel and Zinc Electrowinning Based on Ion Mass Transport and Electrode Reaction Kinetics
Study on High-temperature Liquid Lithium Battery with LiI-KI Electrolyte
The Electrochemical Conversion of Chalcopyrite to Less Refractory Mineral Phases for Hydrometallurgical Processing
Theories of Electrodeposition, Beings-of-reason, and Reality

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