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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Materials Processing Fundamentals
Presentation Title Reductant Formation Enthalpy in DC Ferrochrome Smelting: Merely Academic or Fundamental to Operation
Author(s) Harmen Oterdoom, Markus Reuter, Johan Zietsman
On-Site Speaker (Planned) Harmen Oterdoom
Abstract Scope The start-up and operation of DC furnaces for ferrochrome and titania slag proved more challenging than anticipated. A combination of few furnaces in operation, a limitation on shared operational experience, quick response times between operational decisions and consequences, and a limited fundamental understanding of process mechanisms is a part of the causes for the results. Understanding the process chemistry, energy balance and interactions between them are fundamental to investigating the mechanisms taking place in a DC furnace. As part of a PhD investigation of process mechanisms and behaviour of DC ferrochrome furnaces, this paper will describe the potential operational consequences of ignoring the formation enthalpy of reductants. Reductant is used as an example to demonstrate that fundamental understanding of process chemistry is required for designing, operating, and studying DC furnaces. The paper will conclude with a brief discussion of the presented results, and how these relate to the PhD study.
Proceedings Inclusion? Planned:
Keywords Extraction and Processing, Pyrometallurgy, Modeling and Simulation

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A High-fidelity Numerical Model Informed Machine Learning Framework for Melt Pool Prediction in Laser Additive Manufacturing
A Mesoscale Thermo-mechanical Numerical Model for Residual Stress Prediction in Laser Powder Bed Fusion Process
A Study on Behavior of Post Combustion in 2-Ton Converter Simulator
Activation Energy of Simulated Surface Diffusion in Nanoporous Gold.
Automatic Process Mapping for Ti64 Single Tracks in Laser Powder Bed Fusion
Carbon Diffusion in Bcc Fe Under Magnetic Fields From First Principles
Comparative Statistical Analysis of Gold Processing Plant Recovery Data
Comprehensive Recovery of Elemental Sulfur and Sulfide Minerals from Pressure Acid Leaching Residue of Zinc Sulfide Concentrate with an Integrated Flocculation Flotation-hot Filtration Process
Heat Transfer Characteristic between Ingot and Mold during an Ingot Casting Process
How to Prevent Porosity Defects in Steel Casting Component
Investigation of the Keyhole and Molten Pool Stability in Laser Welding Process Depending on Intensity Distribution of Dual Beam
Machine Learning and Monte Carlo Simulations of the Gibbs Free Energy of the Fe-C System in a Magnetic Field
Machining Fluid Filtration and Particle Count Measurement
Mathematical Simulation Study on the Effect of Nozzle Side Hole Structure Parameters on the Behavior of Molten Steel in Stainless Steel Mold
Measuring and Processing of Electrical Parameters in a Submerged Arc Furnace
Modeling of Macro-scale Reaction Effects in a Secondary Lead Reverberatory Furnace
N-17: Analysis of the Thermal Distribution in a Conventional Slab Reheating Furnace Through Mathematical Simulation
N-18: Numerical Simulation of Thermal Stratification and Fluid Dynamic Behavior of Liquid Steel in an Electric Arc Furnace
N-35: Agglomeration Behavior of Fine Particles Using the Acoustic Wave
Post Processing Approach to Model Microsilica Formation
Reductant Formation Enthalpy in DC Ferrochrome Smelting: Merely Academic or Fundamental to Operation
Scaling Up of Contactless Ultrasonic Cavitation
Simulation of Fe Diffusion in Thermal Decomposition of γ’-Fe4N using Molecular Dynamics
Toward Meso-scale Modelling of Slag Foaming Phenomena in Pyrometallurgy
Virtual Reality for Die Casting Industry Workforce Preparation

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