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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium 60 Years of Taking Aluminum Smelting Research and Development from New Zealand to the World: An LMD Symposium in Honor of Barry J. Welch
Presentation Title A Smart Individual Anode Current Measurement System and Its Applications
Author(s) Choon-Jie Wong, Jing Shi, Jie Bao, Barry J. Welch, Maria Skyllas-Kazacos, Ali Jassim, Mohamed Mahmoud, Konstantin Nikandrov
On-Site Speaker (Planned) Choon-Jie Wong
Abstract Scope This paper discusses a new individual anode current measurement scheme and its applications in real-time monitoring and control of the Hall-Héroult process. While anode current can be directly measured from the anode rod, this approach takes measurements from the anode beam allowing the sensors to remain intact through various cell operations, including anode change. This instrumentation scheme employs smart sensors that are daisy-chained on a common bus for digital data transfer. This approach limits electromagnetic interferences and offers system self-configuration and self-diagnosis, thus allows easy maintenance. The system can be configured to work across a broad range of cell technologies. Monitoring anode current distributions helps improve process operation and allows early detection of process faults such as perfluorocarbon co-evolution and blocked feeders. This also offers the ability to monitor process states such as local alumina concentration and anode-cathode distance, and potential improvements to cell operation and current efficiency.
Proceedings Inclusion? Planned: Light Metals
Keywords Aluminum, Other, Other


A Discussion on Thermal Impact of Anode Change in Aluminum Reduction Cell
A Dynamic Coupled Mass and Thermal Model for the Top Chamber of the Aluminium Smelting Cells
A New Strategy for Transient Heat Transfer Models with Phase Change for the Aluminum Electrolysis Industry
A Pragmatic Model for Bath Temperature Evolution during Alumina Feeding
A Smart Individual Anode Current Measurement System and Its Applications
Anode Quality Optimisation – Industry Learnings from the Research Supervised by Barry Welch
Barry Welch - A Mentor Driving Improvement in Industry Through Leadership and Technology
Barry Welch, Professor and Mentor for the Aluminium Industry
Barry Welch´s Honorary Keynote
Contribution of Professor Barry Welch to the Development of EGA’s Reduction Technologies
Development and Deployment Measures in PLC-based Pot Control System at Low Amperage Aluminium Reduction Cell
EGA’s First Holistic Mobile Application for Smelter Operations
Following Alumina Dissolution Kinetics with Electrochemical and Video Analysis Tools
Highlights of Aluminium Smelting Research Inspired by Barry Welch at UNSW from 1985 to Present
Impact of Aluminium Reduction Cell Parameters on Feeder Hole Condition
Light Metals Research at the University of Auckland
Meeting the Requirements of Potline Customers – the Largely Unmet Challenges Set by Barry Welch to Carbon Anode Producers
Monitoring Cell Conditions and Anode Freeze Dissolution with Model-based Soft Sensor After Anode Change
Process Recovery to Unlock Power Efficiency Improvement at BSL
Testing Feeding Alumina in Three Channels in a Wide Cell
The Need to Respect to the Interlink between Science, Physics, and Cell Design in an Environmentally Responsible Manner - The Next Big Challenge for Aluminium Smelting
What Makes TMS Special? Let Us Consider a Case Study in Volunteer Excellence: Barry J. Welch

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