AP40: the latest of the AP Technology™ solutions

被引：0
|
作者：
Fiot, L. [1 ]
Martin, O. [1 ]
Champel, B. [2 ]
Fardeau, S. [1 ]
Bon, P. [1 ]
Munoz, D. [2 ]
机构：
[1] Rio Tinto Alcan, LRF, BP 114, F-73303 St Jean De Maurienne, France
[2] Rio Tinto Alcan Smelter Technol, F-38341 Voreppe, France
来源：
LIGHT METALS 2012 | 2012年
关键词：
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Another significant step in the AP30 development has been successfully demonstrated; one that further enhances productivity. After the AP39 technology validation, an enhanced operating point has allowed cells to operate above 400 kA without decrease in energy efficiency. Since July 2010, these cells, now referred to as AP40, operate at St Jean de Maurienne in the range of 400405 kA with specific energy consumption below 13150 kWh/t. Achieving this performance required an extensive review of operational aspects including busbar capability, operational quality, and process control. Also essential was the use of an "operating window" approach to determine the optimal operating point. By following a cell development methodology over two years, results have demonstrated a high level of process performance (anode effect frequency, current efficiency and energy consumption). Measurement campaigns have confirmed the excellent level of pot robustness.
引用
收藏
页码：703 / 707
页数：5
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