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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Rare Metal Extraction and Processing
Presentation Title Tellurium Recovery – Development of a Novel Hydrometallurgical Process
Author(s) Shijie Wang
On-Site Speaker (Planned) Shijie Wang
Abstract Scope Since the cadmium telluride (CdTe) PV modules have become among the lowest-cost products of solar electricity, tellurium recovery is a hot special metals topic in today’s bull market. This paper summarizes the recovery of tellurium and its processing technology from electrolytic copper refinery slimes, which almost invariably contain tellurium, selenium, copper, silver, gold, and traces of platinum group metals. A novel hydrometallurgical process (Wang’s Process) that was developed in bench scale experiments and pilot tests and led to commercial applications is presented. The process chemistry is also publicly discussed for the first time in this paper.
Proceedings Inclusion? Planned:
Keywords Hydrometallurgy, Process Technology, Extraction and Processing

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Highly Selective Metal–organic Complex Collector for Efficient Mineral Flotation
Bionanominig: A Revised Insight into Processing of South Africa’s Complex Gold Ores
CO2 Optimized Recovery of Special Metals from Precipitation Residue by Selective Chlorination
Comprehensive Processing of Mica Concentrate from Yaroslavsky GRK for Lithium Carbonate, Potassium Sulfate, Aluminum Sulfate, Rubidium and Cesium
Development of Antagonistic Solvent Extraction Systems for Selective Separation of Copper, Cobalt and Nickel in Ammoniacal Solution
Development of Molten Salt Electrolysis of MgO Using a Metal Cathode and Vacuum Distillation to Produce Ultra-high Purity Mg Metal
Development of New Extractants for Platinum Group Metal Ions in Hydrochloric Acid Solutions
Direct Synthesis of Intermetallic Compounds through Thermo-reduction and Electrochemical Deposition
Effect of Antisolvent Type and Concentration on Morphology and Crystal Size of (NH4)3ScF6 Obtained by Antisolvent Crystallization
Electrochemical Cell Design for Emf Measurements of Liquid Nd-Bi Alloys via Coulombic Titration in LiCl-KCl-NdCl3 Electrolyte
Electrochemical Reduction of Iron Oxides in Aqueous NaOH Electrolyte Including Iron Residue from Nickel and Zinc Electrowinning Processes
EPD Distinguished Lecture: Rare Earth and Critical Material Recovery from Peralkaline Volcanic Ores: Minerals Processing, Hydrometallurgy and Solvent Extraction Separation
Extraction and Recovery of Rare-earth Elements and Critical Materials from Coal Waste Using Low Cost Processing Methods
Extraction Behaviors of Vanadium(V) with Unacidified- and Acidified-N1923 from a Real Leachate of Vanadium-titanomagnetite
Extraction for Neodymium from NdFeB Magnet Using Supercritical Carbon Dioxide and Organophosphorus Ligands
Extraction of Cerium, Lanthanum, and Neodymium from Alluvial Gold Mining Waste from the Bagre-Nechí Mining District in Colombia
Extraction of Rare Earth Metals from Coal Ash Using Mild Lixiviants in a Single Step Process
Fundamental Study of a Novel Electrolytic Process Using a Cu Cathode in MgF2–LiF–KCl Molten Salt for Producing Mg Metal from MgO
Low-cost Distillation Technology for Rare Earth Recycling
Method for Producing High Purity LiOH.H2O Using Ba(OH)2
Novel Environmentally Friendly Leaching Process for Vanadium and Tungsten Recovery from Spent SCR Catalyst
Physicochemistry in Service of Process Design: Case of Uranium Recovery by Liquid-liquid Extraction
Purification of a Low-grade Molybdenite Ore for Industrial Steel Production
Rare Earth Elements Adsorption to Gypsum in Hydrometallurgical Processes
Research Progress in Biohydrometallurgy of Rare Metals and Heavy Nonferrous Metals with an Emphasis on China
Selective Sulfidation for Rare Earth Element Separation
Study on Pre–removal Antimony from Antimony–gold Concentrate Using Slurry Electrolysis
Tellurium Recovery – Development of a Novel Hydrometallurgical Process
Two-phase Rare-earth Alloys as Reference Electrodes in Molten Chlorides for Reliable Electrochemical Measurements
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