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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium REWAS 2022: Recovering the Unrecoverable
Presentation Title Efficient Steel Mill Dust Recycling – Aiming For Zero Waste
Author(s) Juergen Antrekowitsch
On-Site Speaker (Planned) Juergen Antrekowitsch
Abstract Scope Steel mill dust recycling today is an important business. However, most processes in operation hardly fulfil future requirements from the environmental point of view. In general, these treatment facilities show a certain CO2-footprint due to carbothermal reduction and produce high amounts of residues which often have to be landfilled. The paper discusses possibilities to optimize state of the art processes regarding the realization of a zero waste strategy and the minimization of the CO2-footprint. Furthermore, new developments are evaluated in respect of energy consumptions and environmental awareness. As an example the “2-step-Dust-Recycling” process, an own development of the University of Leoben in Austria, is analyzed regarding its potential to meet requirements of present and future environmental legislation. Finally, the way how different options of steel dust treatment influence the overall zinc cycle, especially the role of zinc oxide from such sources as substitute for primary concentrates, is described.
Proceedings Inclusion? Planned:
Keywords Recycling and Secondary Recovery, Process Technology, Pyrometallurgy

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Green Process to Acquire a High Purity Rare Earth Elements Leach Liquor from Nd-Fe-B Magnets by Caustic Digestion and Roasting Processes
Adaptability of the ISASMELT™ Technology for the Sustainable Treatment of Wastes
An Innovative Separation Process for Spent Lithium-ion Battery Using Three-stage Electrodialysis
BlueMetals Technology – Experience from Commissioning E-Scrap Recycling Plants
Characterisation of Hyperaccumulators for Lithium Recovery from Ancient Mine Soils
Characterization and Thermal Treatment of Eggshell and Olive Stones for Heavy Metals Removal in Mining Environmental Liabilities Sites
Characterization and Thermal Treatment of Electric Arc Furnace Dusts Generated during Steel Production in Peruvian Industries
Deoxidation of Titanium Using Cerium Metal and Its Oxyhalide Formation
Development of Technology for Recycling Large-capacity Lithium-ion Batteries for EV,ESS
Efficient Steel Mill Dust Recycling – Aiming For Zero Waste
Estimation of the Generation and Value Recovery from E-waste Printed Circuit Boards: Bangladesh Case Study
Extraction of Nickel from Recycled Lithium-ion Batteries
Investigation of Hydrometallurgical Recycling Parameters of WC-Co Cutting Tool Scraps
Leaching of Rare Earth Elements from Phosphogypsum Using Mineral Acids
Maximizing the Efficiency of By-product Treatment by Multi Metal Recovery and Slag Valorization
Physicochemistry of Lithium-ion Battery Recycling Processes
Pre-study of the Dissolution Behavior of Silicon Kerf Residue in Steel
Recent Trend on the Studies of Recycling Technologies of Rare Earth Metals
Recovery of Copper, Iron and Alumina from Metallurgical Waste by Use of Hydrogen
Recovery of Precious Metal Silver from Scrap Computer Keyboards
Recovery of Terbium, Europium, and Yttrium from Waste Fluorescent Lamp Using Supercritical Fluid Extraction
Recycling of Electronic Wastes, Waste Batteries and Rare Metal Wastes in China
Recycling of Tungsten by Molten Salt Processes
Recycling Technologies Developed at KIGAM
Setting New Standards for Circular Economy in the Cement Industry
Shifting the Burden of Selectivity from Chemical to Physical Separation Processes via Selective Sulfidation
Utilization of Copper Nickel Sulfide Mine Tailings for CO2 Sequestration and Enhanced Nickel Sulfidization
Yellow Phosphorus Production from Phosphoric Acid by Carbothermic Reduction

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