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Meeting 2025 TMS Annual Meeting & Exhibition
Symposium Bauxite Residue Valorization and Best Practices
Presentation Title Mineralogy Prediction for Iron-Rich Sulfo-Aluminate Cements Made from Elevated Contents of Bauxite Residue
Author(s) Rahul Roy, Debadri Som, Tobias Hertel, Yiannis Pontikes
On-Site Speaker (Planned) Rahul Roy
Abstract Scope Bogue equations is a system of simultaneous mathematical linear equations widely used by the industry to determine the mineralogy of the Portland cement clinker. In this study, a novel approach has been undertaken to formulate a new set of modified Bogue equations for raw-meal compositions constituting > 15% Fe2O3 and > 2% TiO2. The approach incorporates the use of electron probe micro-analysis (EPMA) and X-ray fluorescence spectroscopy (XRF) to determine the crystalline and chemical composition of the synthesized clinkers, which provides the basis for a matrix inverse method to solve new linear equations. This method improves the accuracy of predicting the mineralogy of Fe-rich clinkers, enabling users to incorporate resources such as bauxite residue and synthesize iron-rich sulfo-aluminate cements. The obtained mathematical linear equations are integrated in the beta SREbind version, and their use is demonstrated along with the SREmix.
Proceedings Inclusion? Planned: TMS Journal: Journal of Sustainable Metallurgy
Keywords High-Temperature Materials, Other,

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Linear Programming-Based Approach for Creating Cements from Bauxite Residue
Activated Bauxite Residue Application in Wastewater Treatment
Assessing the Carbonation Potential of De-alkalized Bauxite Residue Using Different Carbonation Methods
Assessment of High Temperature Valorisation Routes for Bauxite Residue towards Cementitious Binders: A Case Study on Vitrification
BR Valorisation: Can We See It Differently?
Developments in EGA’s Bauxite Residue Roadmap
Hydrogen-Driven Sustainable Multi-Metal Recovery Approaches for Bauxite Residue: A Comparative Analysis
Impact of Chemical Admixtures on the Setting Time and Freeze-Thaw Resistance of Bauxite Residue-Based Geopolymer
Innovative Hydrometallurgical Methods for Extracting Metallic Oxides from Bauxite Residue
Mineralogy Prediction for Iron-Rich Sulfo-Aluminate Cements Made from Elevated Contents of Bauxite Residue
Optimising Bauxite Residue for Use as a Soil Component
Pelletization and Hydrogen Reduction of Bauxite Residue in Pilot Scale
Processing Routes of Bauxite Residue And Its Valorisation Potential: Various Case Studies Demonstrated at Pilot Scale
Recovery of Titanium from Production Residues via Physical and Chemical Processing
Red Mud to Produce Sustainable Iron and Steel - A Thermodynamic Analysis
Synergistic Pyrolysis with Refuse-Derived Fuel (RDF) Can Neutralize Bauxite Residue (BR)
Towards Scalable Autoclaved Masonry Units: How Bauxite Residue Feedstock Characteristics Impact Performance
Utilizing Mining Tailings for Sustainable Steel and Rare Earth Element Recovery

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