Abstract
The industrial aluminum reduction cell is an electrochemistry reactor that operates under high temperatures and highly corrosive conditions. However, these conditions have restricted the measurement of key control parameters, making the control of aluminum reduction cells a difficult problem in the industry. Because aluminum electrolysis control systems have a significant economic influence, substantial research has been conducted on control algorithms, control systems and information systems for aluminum reduction cells. This article first summarizes the development of control systems and then focuses on the progress made since 2000, including alumina concentration control, temperature control and electrolyte molecular ratio control, fault diagnosis, cell condition prediction and control system expansion. Based on these studies, the concept of a smart aluminum electrolysis plant is proposed. The frame construction, key problems and current progress are introduced. Finally, several future directions are discussed.
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Acknowledgements
This study was supported by the National Science Foundation of China (51574289, 61533020 and 51674300) and the Project of Innovation-driven Plan of Central South University (2015CXS017).
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Zhang, H., Li, T., Li, J. et al. Progress in Aluminum Electrolysis Control and Future Direction for Smart Aluminum Electrolysis Plant. JOM 69, 292–300 (2017). https://doi.org/10.1007/s11837-016-2150-4
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DOI: https://doi.org/10.1007/s11837-016-2150-4