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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Advances in Pyrometallurgy: Developing Low Carbon Pathways
Presentation Title Hydrogen-based Direct Reduction of Iron Oxides
Author(s) Dierk R. Raabe, Hauke Springer, Yan Ma, Isnaldi Souza Filho
On-Site Speaker (Planned) Dierk R. Raabe
Abstract Scope The lecture presents some recent progress in understanding the key mechanisms of hydrogen-based direct reduction. The kinetics of the solid state reduction reactions strongly depend on mass transport kinetics, nucleation during the multiple phase transformations, the oxide’s chemistry and microstructure, and on plasticity, damage and fracture associated with the phase transformation and mass transport phenomena occurring during reduction. Understanding these effects is key to produce hydrogen-based green steel and design corresponding direct reduction shaft or fluidized bed reactors, enabling massive CO2 reductions
Proceedings Inclusion? Planned:
Keywords Sustainability, Iron and Steel, Pyrometallurgy

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Desktop Study on the Potential use of South African Slags as Thermal Storage Medium
A Pilot Trial Investigation of Using Hydrochar Derived from Biomass Residues for EAF Process
Application and Results of MPOT Diluted Combustion in Aluminum Furnaces and the Complete Carbon Free Future Technology
Biocarbon Materials in Metallurgical Processes – Investigation of Critical Properties
Characterizing Bio-carbon for Metallurgical Processes Using Micro X-ray Computed Tomography with High Temperature Experiments
CO2 Free FeMn/Mn Production through Molten Oxide Electrolysis
Decarbonisation of High-temperature Processes in the Australian Context
Development of Fossil Free Technologies for the Metallurgical Industry – Swerim Pilot and Industrial Experiences
Effect of Ore Pre-heating on Furnace Operation in High Carbon Ferromanganese Production - Lessons Learnt from Pilot-scale Testwork
Electrification to Decrease the Carbon Footprint of Iron and Steelmaking
Experimental Analysis of Zinc Melting Using CSP
Ferroalloy Production without Use of Fossil Carbon - Some Alternatives
Ferronickel Production from Nickel Laterite via Sulfide Chemistry
Hydrogen-based Direct Reduction of Iron Oxides
Hydrogen Plasma Reduction of Iron Oxides
Hydrogen Plasma Reduction of Metal Oxides
Hydrogen, a Promising Carbon Substitute in Metallurgy?
Investigation of High-H2 Reducing Gas Delivery through Shaft-level Tuyeres with Computational Fluid Dynamics
Linde’s Industrial Gas Technology in Nonferrous Processing: Combining CFD with Partial Experimental Verification & Validation
Roadmap for Reduction of Fossil CO2 Emissions in Eramet Mn Alloys
Sulphuric Acid Plants in Metallurgical Facilities: Options for Energy Optimization
The HYBRIT Demonstration of a Fossil-free Iron- and Steelmaking Value Chain
The Path to Zero Carbon Dioxide Emissions in Silicon Production
The Pathway to CO2-Reduction in the Refractory Industry
The Use of Concentrating Solar Energy for Thermal Decomposition in Oxide and Carbonate Minerals
Towards Bio-Carbon Substitutes in the Manufacture of Electrodes and Refractories for the Metallurgical Industries: A Science and Technology Review
Towards Net Zero PyroMetallurgical Processing with the ISASMELT™ and ISACYCLE™
Use of H2 in Mn-ferroalloy Production

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