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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium High Temperature Electrochemistry IV
Presentation Title New Electrochemical Deoxidation Method of Ti Metal in Molten Salts Containing YCl<sub>3</sub>
Author(s) Akihiro Iizuka, Takanari Ouchi, Toru H Okabe
On-Site Speaker (Planned) Akihiro Iizuka
Abstract Scope Technologies for removing oxygen (O) directly from titanium (Ti) scrap are highly important from an industrial view point. In our previous study, a thermochemical deoxidation method of Ti using Y metal in YCl<sub>3</sub> (<i>l</i>) was developed. We demonstrated that Ti with an extremely low O concentration (30–60 ppm O) can be reliably obtained utilizing the Y/YOCl/YCl<sub>3</sub> equilibrium. To further decrease O contamination in Ti, in this study, an electrochemical deoxidation method was designed and investigated in molten salts containing YCl<sub>3</sub> (<i>l</i>). The set-up consists of a Ti anode and a graphite cathode. This method can be applied for semi-continuous deoxidation of Ti and has a high tolerance for O contamination during the process. The establishment of this method is expected to promote the efficient recycling of Ti scrap in the future.
Proceedings Inclusion? Planned:
Keywords Titanium, Pyrometallurgy, Recycling and Secondary Recovery

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Comparative Study of Working Electrode Materials for Voltammetry Measurements in LiCl–Li2O Salts
Advances in Solid Oxide Membrane Based Electrolysis for Solar-grade Silicon Deposition
Effect of Hydroxide and Oxide Impurities in Electrochemical Processes Using Molten LiCl and CaCl2
Electrochemical Reactions of Oxide Ions with Tungsten in Molten CaCl2
Feasibility of Potentiometry for Monitoring Activity of GdCl3 in Molten LiCl-KCl Salt
First-principles Molecular Dynamics and CALPHAD Modeling of the CaF2-MgF2-SiO2 Molten Salt System
Fundamental Challenges for the Development of Electrolytic Reduction of Uranium Oxide in Molten LiCl-Li2O
High-speed Electrodeposition of Textured Monolithic Lithiated Transition Metal Oxide Cathodes for Low Cost, High Energy, and Fast Charging Li-ion Batteries.
Interaction between Solute Species and Metallic Alloying Elements in Molten Chloride Systems
Investigation on Preparation of Fe-Al Alloys by Direct Reduction of Fe2O3-Al2O3 Powder in CaCl2-NaCl Molten Salt System
Liquid Bipolar Electrode for Extraction of Aluminium and PGM Concentrate from Spent Catalysts
Molten Hydroxide Mediated Electrosynthesis of Layered Transition Metal Oxides for Electrochemical Energy Storage
New Electrochemical Deoxidation Method of Ti Metal in Molten Salts Containing YCl3
Optimizing Reaction Selectivity in High Temperature Molten Electrolytes
Selective Extraction of Gold from Gold-copper Alloy Using Anodic Electrochemical Deposition in Molten Salt Electrolyte
Validated Modeling of Quartzite Reduction to Solar Silicon by Molten Salt Electrolysis

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