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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Rare Metal Extraction & Processing
Presentation Title YCl36H2O Green Electro-metallurgical Preparation of Y2O3
Author(s) Shengnan Lin, Ting-an Zhang, Chengzhen Fuyang, Yingqi Li, Yifeng Liu
On-Site Speaker (Planned) Shengnan Lin
Abstract Scope Rare earth oxides possess exceptional physical and chemical properties, making them extensively utilized in various fields such as new materials, catalysis, and biomedicine. However, the current production process of Y2O3 inevitably results in the emission of pollutants like ammonia and nitrogen oxides. This article aims to address this issue by proposing the preparation of Y2O3 through the YCl36H2O electro-metallurgical method. In this method, an aqueous solution of YCl36H2O is employed as the raw material, and through cation exchange membrane electrolysis technology, Y(OH)3 precipitate with a layered structure is obtained at the cathode. The thermal decomposition process of yttrium hydroxide was investigated using XRD, FTIR, and DSC-TGA. Furthermore, the microstructure and particle size of the phases were analyzed using SEM and a laser particle size analyzer, demonstrating that the Y2O3 product inherits the precursor's structure. The electro-metallurgical process offers several advantages, including mild reaction conditions, simple equipment, and environmental friendliness.
Proceedings Inclusion? Planned:
Keywords Electrometallurgy, Hydrometallurgy, Extraction and Processing

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Effect of Ce Substitution with La and Nd on Microstructure and Mechanical Properties of Al11RE3
Effect of MgO, MnO and Al2O3 on Vanadium Extraction in Sodium Roasting-water Leaching Process of Vanadium Slag
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EPD Distinguished Award Lecture: Advanced Hydrometallurgical Process Innovations: Clean Environmental Applications and Sustainable Electrochemical Energy Materials and Technologies
Extraction of Platinum Group Metals from Metallurgical Plant Effluent Using Bioadsorbents
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
Innovative Solvent Extraction Processes for the Separation of Indium, Germanium and Gallium from Iron
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
Purification of an Indigenous Molybdenite for Enhanced Steel Production
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
YCl36H2O Green Electro-metallurgical Preparation of Y2O3

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