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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium 2022 Light Metals Keynote Session
Presentation Title 50 Years of Research and Developments on Cathode Designs in Aluminium Reduction
Author(s) Arne P. Ratvik
On-Site Speaker (Planned) Arne P. Ratvik
Abstract Scope Electrolytic production of aluminium has changed tremendously over the last 50 years, and this is no exception to cathode materials and designs. Over this period the lifetime of cathodes has doubled from an average lifetime of around 1000 days; this being a testimony for the many scientific developments since then. The presentation will cover some of the major developments in cathodes over the decades and the implications these have had on modern aluminium production. Major changes in cell arrangement and cell dimensions as well as composition of carbon cathode and refractory materials are only some of the many developments that have been implemented. Also, the compensation of the magnetohydrodynamic forces created by the amperage increase from large cells around 150-200 kA 50 years ago to modern cells reaching 600 kA have been important for maintaining long lasting cathodes.
Proceedings Inclusion? Planned: None Selected


50 Years of Aluminum Cast House Technology Development: Lessons from 5 Case Studies
50 Years of Fundamental Research, Continuous Development, and Technology Innovation within the Aluminum Smelting Industry
50 Years of Research and Developments on Cathode Designs in Aluminium Reduction
An Overview of the Last 50 Years of the Bayer Process
Challenges for the Carbon Transition – Revisiting 50 Years of Anode Technology Development
From Grain Refining to Casting Defects: Simplicity in Complexity
Review of Different Types of Models Related to Aluminum Reduction Cell Design and Operation
The Evolution of Smelting Aluminas

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