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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium 2022 Light Metals Keynote Session
Presentation Title The Evolution of Smelting Aluminas
Author(s) James B. Metson
On-Site Speaker (Planned) James B. Metson
Abstract Scope The aluminium smelting industry is fortunate in utilising a dominant raw material alumina that performs a range of functions in the process and has proved remarkably flexible in responding to an evolving industry. However the biggest challenge the industry faces is now upon us in the greening of the process in an increasingly carbon constrained world. This presentation will deal particularly with the calcination of alumina, both what we will need of alumina and the prospect of what we can do about the energy footprint of the process. The announcement in June 2021 of Rio Tinto’s study into using hydrogen in alumina refining is but one example of some of the thinking in this direction, following on from an Alcoa initiative in electrically sourced refinery steam. In the calcination process the challenge is also to best understand the alumina product we are likely to require as other innovations are embedded in the smelting process.
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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