Abstract
The energy saving technologies applied in Chinese aluminum reduction are reviewed in this paper. The energy saving technology development in China in the aluminum reduction field could be divided into three stages. The first stage was retrofit of Soederberg cells to prebaked anode cells and technology development of large amperage prebaked anode cells, which happened mainly in 1990’s. The second stage was wide applications of the large amperage prebaked cell technology and the improvement of such relevant technologies as physical fields simulation, cell control systems and high quality anode and cathode manufacturing etc., which covered the first 6–7 years of this century. The third stage has lasted up to now, which mainly focused on the energy saving in the present prebaked cells by cell cathode and lining structure modifications and high performance operation and control system applications.
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