About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Aluminum Reduction Technology
|
| Presentation Title |
Effect of the Precise Alumina Feeding on the Anode Effect Quenching Based on the Zone Anode Current in Aluminum Reduction Cells |
| Author(s) |
Puming Chen, Yi Meng, Jun Tie, Rentao Zhao, Zhifang Zhang, Hao Xiao, Dongwei Liu, Hui Jin |
| On-Site Speaker (Planned) |
Yi Meng |
| Abstract Scope |
The Hall-Héroult aluminum production process can be enhanced by minimizing the anode effect (AE) occurrences since AE is detrimental in this process. This study demonstrated that the occurrence of low voltage anode effect (LVAE) with its position can be diagnosed effectively according to the change of zone anode current by using the fiber optic current sensor. And then in the single-zone manual reducing feeding experiments, additional alumina was manually fed into the diagnosis zone once its zone anode current continued to drop to a certain threshold, resulting in the successful quenching of LVAE. Subsequently, an automated algorithmic was developed and then applied to the single-zone stop-feeding experiments. The automatic quenching of LVAE was achieved by feeding the alumina into the zone automatically in which the LVAE was present. This method of precise alumina feeding to LVAE zones automatically can reduce the frequency of anode effect in electrolysis production processes effectively. |
| Proceedings Inclusion? |
Planned: Light Metals |
| Keywords |
Aluminum, Electrometallurgy, Extraction and Processing |