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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium 2022 Technical Division Student Poster Contest
Presentation Title SPG-7: Sustainable Process Flowsheet for Recovery of Value added Products from Bauxite Residue
Author(s) Himanshu Tanvar, Brajendra Mishra
On-Site Speaker (Planned) Himanshu Tanvar
Abstract Scope The growing stockpiles of bauxite residue and associated environmental hazards require a sophisticated process flowsheet for complete valorization and value recovery. Considering the association of multiple elements (Fe, Al, Si, Ca, Ti, V, Sc) within bauxite residue, metal extraction is of prime interest. The complex association of different elements and physical and chemical characteristics makes the extraction and purification process expensive and challenging. The present study focuses on developing a novel hydrometallurgical flowsheet for subsequent recovery of base metals and critical elements from bauxite residue. The major elements present in bauxite residue are recovered as high purity magnetite, alumina, titania, silica and calcium carbonate. Whereas critical elements (such as V and Sc) are recovered in the liquid stream generated after the recovery of base metals. The proposed process is environmentally sound with near-zero waste discharge and presents an excellent opportunity to utilize bauxite residue as a multi-element resource.
Proceedings Inclusion? Undecided
Keywords Extraction and Processing, Hydrometallurgy, Recycling and Secondary Recovery

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SPG-28: Microstructure and Mechanical Properties of Eutectic Ni-Ce and Ni-Ce-Al Alloys
SPG-29: Production via Machining and Rolling of High Resistivity Electrical Steel
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SPG-32: Water Transport through Porous Membranes - Modeling and Experiments
SPG-33: Computational Modeling of Non-equilibrium Phenomena in Laser Additive Manufacturing Using Molecular Dynamics
SPG-34: Development of a Generalized Fatigue Assessment Approach for Steel Castings
SPG-35: Discovering the Corrosion Mechanism of Chromium in High-temperature LiF-NaF-KF Molten Salts for Gen-IV Molten Salt Reactor Applications
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SPG-8: The Effect of Graphene Nano Sheets on Microstructure and Mechanical Properties of Aluminum A380 Nanocomposite Produced by Powder Metallurgy
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