About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Aluminum Reduction Technology
|
| Presentation Title |
Anode Setting Performance in the Hall-Héroult Process Using Hall Sensors on individual anodes |
| Author(s) |
Samuel Duplessis, Marcel Guerreiro Neiro, Julien Lauzon-Gauthier, Patrice Doiron, Dany Gauthier |
| On-Site Speaker (Planned) |
Samuel Duplessis |
| Abstract Scope |
Monitoring individual anode currents in Hall-Héroult cells are essential for optimizing aluminum production, enabling early detection of anode problems, improving current efficiency, etc. Traditional manual methods, such as voltage measurements using handheld voltmeters, are labor-intensive and provide only intermittent data . To address these limitations, Alcoa has developed and implemented a contactless monitoring system using magnetic field sensors. These sensors continuously measure the magnetic field generated by the current flowing through individual rods. Integrated into a robust data acquisition system, the sensors enable real-time monitoring without disrupting operations. Advanced algorithms, enhanced by machine learning and statistical analysis, process the data to detect anomalies and trigger alarms based on anode setting performance. Anormal load-ups are now detected within 4 hours after the anode change. With over 2,800 sensors deployed across 33 pots, the system improved operational responsiveness. |
| Proceedings Inclusion? |
Planned: Light Metals |
| Keywords |
Aluminum, Process Technology, Machine Learning |