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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Advances in Pyrometallurgy: Developing Low Carbon Pathways
Presentation Title Investigation of High-H2 Reducing Gas Delivery through Shaft-level Tuyeres with Computational Fluid Dynamics
Author(s) Tyamo Okosun, Samuel Nielson, Orlando Ugarte, Chenn Zhou
On-Site Speaker (Planned) Tyamo Okosun
Abstract Scope As both a significant contributor to the steelmaking process and the largest single source of CO2 emissions in integrate steelmaking, the blast furnace is a critical area of focus for decarbonization efforts. Generally, the replacement of coke with injected fuels such as natural gas or syngas has been a key pathway for reducing emissions. These injectants provide higher concentrations of H2 reducing gas, decreasing reliance on CO reactions, but delivery rates are limited by their endothermic impacts on flame and reducing gas temperature. One potential method of circumventing these limitations is the use of shaft-level tuyeres for high rates of hot reducing gas delivery, in a similar fashion to the direct-reduced ironmaking process. In this paper, the impacts of such a system are investigated with Computational Fluid Dynamics to predict the reaction rates, coke replacement ratios, and carbon emissions of the blast furnace process under the proposed operating scheme.
Proceedings Inclusion? Planned:
Keywords Modeling and Simulation, Iron and Steel,

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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