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About this Symposium

Meeting 2027 TMS Annual Meeting & Exhibition
Symposium Rare Metal Extraction & Processing
Sponsorship TMS Extraction and Processing Division
TMS: Hydrometallurgy and Electrometallurgy Committee
Organizer(s) Michael J. Dziekan, Argonne National Laboratory
Athanasios Karamalidis, Pennsylvania State University
Kerstin M. Forsberg, KTH Royal Institute of Technology
Kurniawan Kurniawan, Helmholtz Institute Freiberg for Resource Technology (HIF), Helmholtz-Zentrum Dresden - Rossendorf (HZDR)
Amilton Barbosa Botelho Junior, Norwegian University of Science and Technology
Jaeheon Lee, Colorado School of Mines
Jihye Kim, Colorado School of Mines
Gisele Azimi, University of Toronto
Hong Peng, University of Queensland
Shafiq Alam, University of Saskatchewan
Neale R. Neelameggham, IND LLC
Alafara Abdullahi Baba, University of Ilorin
Anne-Marie Suriano, Rio Tinto
Takanari Ouchi, Waseda University
Scope This symposium will cover extraction of critical minerals with a focus on critical and rare metals, from both conventional and unconventional feedstocks. Unconventional feedstocks include waste materials and residues, recycling of critical elements, tailings, and extraction processing byproducts resultant from metal production.

The critical minerals and rare metals of interest include antimony, bismuth, barium, beryllium, boron, calcium, chromium, gallium, germanium, hafnium, indium, lithium, magnesium, manganese, molybdenum, niobium, platinum group metals, rare earth metals, rhenium, scandium, selenium, silicon, sodium, strontium, tantalum, tellurium, tungsten, and other elements not covered by other TMS symposia.

Critical element extraction and processing topics will span bio-, hydro-, and electro-metallurgy for recovering rare metals from both conventional and unconventional feedstocks (e.g., residues, recycled materials, tailings, and metal production process streams). Novel processes such as biomimicking leaching and separation, externally stimulated separations (e.g., electric, magnetic, ultrasonic), in-situ recovery, solar-thermal reaction synthesis, novel electrochemical separations, and cold crucible synthesis of rare metals will be considered. Processing and refining studies for critical minerals and rare metals spanning laboratory, pilot-scale, and industrial applications will be included.

Note regarding publication: Authors seeking an oral or poster presentation opportunity must submit a manuscript for the proceedings or be accepted for publication in a TMS journal.

Abstracts Due 07/15/2026
Proceedings Plan Planned:

PRESENTATIONS APPROVED FOR THIS SYMPOSIUM INCLUDE


A Novel Method to Recover Rhenium from Superalloy Scrap
A sequential roasting-leaching process for the economical recovery of metals from end-of-life LEDs
Acidic Deep Eutectic Solvents for Rare Earth Extraction from Bastnaesite Concentrate
An Integrated Strategy and Process for Recovery of Germanium from Metallurgical By-Products and Waste Streams: Germanium Leaching and Precipitation from Fumed Slag
By-Product Critical Metal Resources and Strategic Recovery Pathways: Assessment of Nevada and Western Australian Mining Operations
Co-extraction of rare earths and phosphorus from natural apatite via carbo-sulfidation
Comparative Acidic and Alkaline Leaching of Gallium and Critical Elements from Red Mud
Concentration and Separation of Rare Earth Elements Utilizing Green Biosorbents by Leveraging Selective Adsorption/Desorption Mechanisms.
Critical Material Recovery From Industrial Bauxite Residue
Critical Raw Material Recovery from E-Waste: Hydrometallurgical Recycling of Concentrated Multilayer Ceramic Capacitors (MLCCs)
Deep eutectic solvent leaching of goethite-rich rare earth mine tailings
Design of Hydrophobic Deep Eutectic Systems for Efficient Selective Lithium Extraction
Electrowining of Nickel and Cobalt from waste LIBs Leachates: A systematic study for high purity electrolytic metal production
Enrichment of valuable metals present in spent automotive catalytic converters (SACCs)
Explainable Machine Learning for Predicting Lithium Recovery in Hydrometallurgical Processing
Fundamental Understanding of REE Flotation - Don't Give Up on Making it Work!
Gallium Extraction and Separation Technologies from Coal-Based Solid Waste Leachates: Progress, Challenges and Prospects
Gas-Solid Reaction Dynamics in Chemical Separation of Chromium via Sulfidation
High-Efficiency Extraction of Rare Earth Elements by Optimized Sulfuric Acid Leaching of Apatite Concentrate
Hydrometallurgical processing of leached residue from end-of-life LCD panels to separate tin and aluminium
Integrated recycling of waste cathode ray tubes phosphor for sequential recovery of zinc and rare earth elements
Integrated Valorization of Bauxite Residue for Aluminum and Titanium Recovery
Investigating Leaching of Rare Earth Elements from Complex Rare Earth Ore Using Deep Eutectic Solvents
Investigation of Iron Alloy Morphology and Niobium Deportment During CaCl2 Flux-Assisted Reduction of Martinson Lake Laterite Ore
Leaching of th and Sm from a mineral using a H2O – TU – FeS₂ system
Mechanochemical Lithium Extraction from α-Spodumene: Comparative Assessment of Solid Leaching Agents
Mineral processing routes for Nb and Ta concentration in Brazil
Novel Three Compartment Electrolytic Cell Design and Electrolyte Series for Dendrite-free, High-purity, Zinc Electrodeposition
Online detection of chemical collectors for PGMs in minerals processing
Patented technology for coal-based direct reduction process in treating complex iron ore resources : A Review
Potential of Hydrogen Peroxide for Lithium Extraction from Spodumene: A Comparative Study
Preliminary Investigation of B₂O₃-Assisted Reductive Smelting of End-of-Life NdFeB Magnets
Preparation of Bismuth Oxychloride from a Native Bismutite Ore as Electrode Material for Supercapacitor Applications
Rare earth recovery from rare earth-rich slag by acid roasting followed by water leaching
Recent Advances in Lithium Electrowinning for Metallic Anode Production: A Comparative Review of Molten Salt and Ionic Liquid Systems
Recovery and Purification of Gallium from Domestic Critical Mineral Resources
Recovery of Aluminium and Tin from Industrial scrap alloy turnings
Secondary Production of Tantalum from Additive Manufacturing Swarf
Selective Extraction and Purification of Molybdenum from Spent Fe-Mo Catalysts
Selective leaching behavior of pretreated NdFeB magnet under hydrochloric acid conditions
Selective Leaching of Rare Earth Elements from Coal Ash using Green Deep Eutectic Solvents
Selective Purification of Lithium Sulfate Leachate and Synthesis of Battery-Grade LiH₂PO₄ via Phosphate Precipitation and RSM Optimization
Standards in rare earth metals for magnet production.
Strategy for the separation of manganese, cobalt, and nickel from NMC811 leachates (H2SO4, HCl, and methanesulfonic acid) via solvent extraction
Studies on the selective dissolution of manganese and nickel from waste tantalum capacitors
Study on the performance and technical regulation of recovering platinum group metal slag from spent catalyst by copper-nickel matte capture method
Sustainable Recovery and Beneficiation of Rare Earth Elements from Complex Ores and Mining Tailings
Techno-Economic Assessment of Industrial-Scale Oxygen-Assisted Hydrometallurgical Recycling of NdFeB Permanent Magnets
Technoeconomic Analysis of Electrochemical Rare Earth Recovery from Bauxite Residue through Integrated Hydrometallurgical Processing
Upgrading Kuru Columbite (Plateau State, Nigeria) through Combined Froth Flotation and Rapid Magnetic Separation: Implications for Artisanal and Small-Scale Mining Beneficiation in Nigeria
Using complimentary REE separation methods to increase efficiency and purity


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