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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Primary Aluminum Industry - Energy and Emission Reductions: An LMD Symposium in Honor of Halvor Kvande
Presentation Title A Historical Review of Aluminum Reduction Cell Start-up and Early Operation
Author(s) Michel R. Reverdy, Vinko Potocnik
On-Site Speaker (Planned) Michel R. Reverdy
Abstract Scope Start-up and early operation of aluminum reduction cells are very important for cell performance, life expectancy and environment. Several methods of cell start-up have been used over time, some early methods with no preheat, but using preheat has been more successful and remains the predominant method today. Ideally the cell should be preheated slowly to uniform operating temperature on the top of cathode blocks, but in practice this is rarely achieved and is different between companies. Bath-up and metal addition also follow different approaches from basic, neutral or acidic bath and metal addition 12-24 hours or even more after bath-up. Recently dry start-up has also been used. Early operation and the time to normal operation in general depends on cathode block grade and is from 2-3 weeks to three months. This paper will present different approaches to cell start-up and early operation through time and among companies.
Proceedings Inclusion? Planned: Light Metals
Keywords Aluminum,

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Historical Review of Aluminum Reduction Cell Start-up and Early Operation
Direct and indirect CO2 equivalent emissions from primary aluminium production
Environmental Enhancement of Potroom Processes by Using a Machine Vision System
Gas Recycling and Energy Recovery. Future Handling of Flue Gas from Aluminium Electrolysis Cells
Halvor Kvande: An Academic Ambassador in Aluminum Between China and Norway
Ready-to-Use Cathodes in high amperage technologies
Reflections on the Low Voltage Anode Effect in Aluminium Electrolysis Cells
Sampling and analysis methodology review to report total PFC emissions
SCALE FORMATION IN PRIMARY ALUMINIUM PRODUCTION
The Importance of Respecting the Underlying Science and Physics When Maximising Productivity and Return on Investment of Modern Aluminium Smelting Technology
The TMS Industrial Aluminum Electrolysis Course – History, Development of Contents, and Future
Vaporization of Fluorides from Aluminium Cells. Part II: Treatment of Spent Potlining in a Laboratory Furnace
Vaporization of Fluorides from Aluminium Cells. Part I: Theoretical Study on Replacement of Aluminium Fluoride and Soda

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