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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Magnesium Technology 2021
Presentation Title Low-cost Magnesium Primary Production Using Gravity-driven Multiple Effect Thermal System (G-METS) Distillation
Author(s) Madison Rutherford, Armaghan Ehsani Telgerafchi, Gabriel Espinosa, Adam C. Powell, David Dussault
On-Site Speaker (Planned) Madison Rutherford
Abstract Scope Vapor compression distillation (VCD) in a gravity-driven multiple-effect thermal system (G-METS) distiller can reduce the energy use and cost of magnesium distillation refining by up to 90% vs. today's batch distillation processes. This could potentially provide a key unit operation for efficient primary production of magnesium from MgO, by molten salt electrolysis using a reactive cathode e.g. liquid tin followed by VCD separation. This work presents a techno-economic model of cost, energy consumption, and emissions associated with magnesium primary production by this reactive cathode molten salt electrolysis process with a G-METS distiller. The model includes a mass balance with 17 elements, electrolysis process energy balance with carbon or solid oxide membrane anodes, and detailed operating and capital cost estimates. Based on the properties of magnesium and expected operating conditions, the cost of magnesium production using this process could be comparable to or lower than that of aluminum production.
Proceedings Inclusion? Planned:
Keywords Magnesium, Electrometallurgy, Extraction and Processing

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Absorbable Wire Radiopacity: Influence of Composition and Size on X-ray Visibility
Accounting for the Effects of Dislocation Climb Mediated Flow in Mg alloy ZK10 Sheet
Achieving Excellent Room Temperature Formability and High Strength in Wrought Magnesium Alloy Sheets
Corrosion Behaviour of Shear Extruded Magnesium Alloy
Corrosion Response of Friction Stir Processed EZ33 Mg Alloy
Development of a Low-cost and Room-temperature Formable Mg Alloy Sheet with In-plane Isotropic Tensile Properties
Effect of Annealing on Microstructure and Hardness of Mg-9Al Alloy Plates Processed by Single-pass Differential Speed Rolling
Effect of Processing Parameters on the Microstructure and Mechanical Behavior of Additively Manufactured WE43 Mg Alloy
Effects of Hot Isostatic Pressing on the Microstructure and Properties of Mg-Gd-Y-Zn Alloys
Efficient Low-cost Gravity-driven Multiple Effect Thermal System (G-METS) Distillation of Magnesium
Eliminating Yield Anisotropy and Enhancing Ductility in Mg Alloys by Shear Assisted Processing and Extrusion
Eutectic Modification of Mg2Si in Mg-Si Alloys for Faster Hydrogen Absorption Kinetics.
Industrial Practice of Extracting Magnesium from Serpentine
Liquid Enhanced Ga-Sn Alloy Anode for RMBs
Low-cost Magnesium Primary Production Using Gravity-driven Multiple Effect Thermal System (G-METS) Distillation
Magnesium and Magnesium Alloy Powder Processing Towards the Development of Near Shape Structural Materials
Measurement of the Critical Resolved Shear Stress for Slip in Mg Alloys Using Instrumented Indentation
Mechanical and Microstructural Behavior of Rolled AZ31B Magnesium Alloy under Three Different Stress States
Mechanisms and Machine Learning for Magnesium Alloys Design
Microstructure and Fracture Toughness of an Extruded Mg-Dy-Nd-Zn-Zr Alloy Influenced by Heat Treatment
Numerical Study of Multi-axial Loading Behavior of Mg Alloy AZ31 Extruded Bar
On the Role of Crystallographic Anisotropy and Texture in Damage Tolerance of Magnesium and its Alloys
Optimization of Mechanical Properties in Magnesium Zinc Alloys
Preparation of Thin-walled Magnesium AZ31 Alloy Tubes Using Friction Stir Extrusion
Quasi-static and Dynamic Rate Mechanical Behavior and Microstructural Investigation of High-purity Mg and AZ31B Alloy
Revisiting Pyramidal Slip in Magnesium
Role of Temperature and Pre-strain in Fatigue Strength of WE43-T5 Magnesium Alloy
Texture and Microstructure Evolution in Thermomechanically Processed Mg-Ca and Mg-Zn-Ca Alloys
The Effects of Basal and Prismatic Precipitates on Deformation Twinning in AZ91 Magnesium Alloy
The High-solution Design of Magnesium Alloys
Thermally Activated Nature of Basal and Prismatic Slip in Mg and Its Alloys
Three Dimensional Atomistic Simulations of {101 ̅2} Non-cozone Twin -- Twin Interaction in Mg – Role of Twin Stability and Mobility
Three Dimensional Interaction of {101 ̅2} Twins with Tilt Boundaries in Mg: Twin and Dislocation Transmission
Understanding Twinning: Detwinning Behavior of Unalloyed Mg during Low-cycle Fatigue Using High Energy X-ray Diffraction

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