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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Electrode Technology for Aluminum Production
Presentation Title The Development of Anode Shape, Size and Assembly Designs - Past Present and Future Needs
Author(s) Barry J. Welch
On-Site Speaker (Planned) Barry J. Welch
Abstract Scope With the shortage of green energy supply, the growing demand for aluminium and needs to lower the Carbon footprint smelters are shifting to high productivity, minimum energy cell operation as well as targeting minimum net carbon. The anode shape, size, and setting pattern in the cells all have an impact on both the energy efficiency and the net carbon. Slots have been introduced to lower the resistance of the electrolyte. While slots therefore enabled increasing cell line current, there has been a consequential reduction the anode cathode distance and the electrolyte volume. Slots have reduced the driving force for electrolyte flow and mixing. Increasing anode mass has resulted in extended times for the anode to preheat and draw full current. Thus the changes have introduced greater spatial variation in cell conditions. This paper open discussion in the hope of determining the perfect anode design for smelters beyond the year 2020.
Proceedings Inclusion? Planned: Light Metals

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

10 Years of Anode Research and Development: Alcoa & Université Laval Experience
Additive Selection for Coal Tar Pitch Modification in Aluminum Industry
An EXAFS and XANES Study of V, Ni, and Fe Speciation in Cokes for Anodes Used in Aluminum Production
Anhydrous Carbon Pellets – An Engineered CPC Raw Material
Carbon Anode Raw Materials – Where is the Cutting Edge?
Charcoal and Use of Green Binder for Use in Carbon Anodes in the Aluminium Industry
Development of a Soft Sensor for Detecting Overpitched Green Anodes
Diffusion Measurements of CO2 within Carbon Anodes for Aluminium Smelting
Energy Saving in Hall-Héroult Cell by Optimization of Anode Assembly Design
Environmental Benefits of Using Spent Pot Lining (SPL) in Cement Production
Higher Baking and Production Levels in Anode Baking Furnaces and Associated Challenges
How to Improve the Environmental Efficiency of the Hall-Heroult Process While Producing and Using Carbon Anodes?
Influence of Particle Shape and Porosity on the Bulk Density of Anode Grade Petroleum Coke
Major Reconstruction of Central Casing of Open Top Baking Furnace with a View to Increase Its Lifespan and Reduce the Total Costs Comparing to Full Reconstruction
Modelling of Gas Injection on Anode Baking Furnace and Application to Operations
Purification of Graphite by Thermal Vacuum Treatment of Spent Potlining
Ready-to-Use Cathodes for the Hall-Héroult Process
Redesigning of Current Carrying Conductor - The Energy Reduction Initiative in Low Amperage Hall-Héroult Cell
Solids Flow Considerations and their Impact in Smelter Carbon Plant Operations and Product Quality
Sustainable Spent Pot Lining Management Guidance
Testing of SERMA Technology on Industrial Anodes for Quality Control in Aluminum Production
The Development of Anode Shape, Size and Assembly Designs - Past Present and Future Needs
The LCL&L Process: A Sustainable Solution for the Treatment and Recycling of Spent Potlining
Trends in Carbon Anode Production

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