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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Aluminum Reduction Technology
Presentation Title Mass Transport by Waves: Physical Model with Coalescence, Fragmentation, and Displacement on a Bath-metal Interface
Author(s) Thomas Richer, Lukas Dion, Laszlo Kiss, Sebastien Gerard, Jean-François Bilodeau, Guillaume Bonneau, Lovatianna Rakotondramanana, Renaud Santerre
On-Site Speaker (Planned) Thomas Richer
Abstract Scope Behavior of alumina rafts at the bath-metal interface in an electrolysis cell have been simulated by a numerical model in previous studies. Further refinements on this model led to broader application and more « cell like» scenarios with its ability to consider three distinct bath metal interface phenomena. First, the transport wave who stem from disturbance in the electrolysis process such as bubbles, alumina deposits or crust-breakers actions is considered. Second, the stationary wave produced by the magnetohydrodynamics forces in the cell is replicated and third, the well-known permanent deformation of the bath-metal interface (BMI) is reproduced in the numerical model. In addition to the aggregate’s movements and positions, the proposed model simulates the fragmentation and coalescence occurring on these alumina rafts. The purpose of this paper is to present an in-depth sensitivity analysis of the improved numerical model and identify scenarios and parameters which could affect industrial cell conditions.
Proceedings Inclusion? Planned: Light Metals
Keywords Modeling and Simulation, Aluminum,


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Mass Transport by Waves: Physical Model with Coalescence, Fragmentation, and Displacement on a Bath-metal Interface
Modeling of the Heat Exchange, the Phase Change, and Dissolution of Alumina Injected in Electrolysis Cells
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Statistical Model for Forecasting the Cell Replacement Rate in an Aluminum Smelter
Strategic Training and Development of Smelter Teams to Improve Business Outcomes
The Survivability of Aluminum Potlines after Lengthy Electrical Power Outages
Trace Elements in Aluminium Smelting Carbon Dust and Their Extraction

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