Technical Condition Optimization for 400 kA Aluminum Electrolyzer with Graphitization Cathode
Received:July 03, 2015   Revised:July 07, 2015   Accepted:July 10, 2015      Published Online:December 24, 2015
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DOI:10.3969/j.issn.1007-7545.2016.01.005
KeyWord:400 kA aluminum electrolyzer; graphitization cathode; optimization
     
AuthorInstitution
LIQING 河南省工业学校
CUIJINSHUI 万基控股集团有限公司
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Abstract:
      Technical conditions of 400 kA aluminum electrolyzer with graphitization cathode were optimized, including maintaining lower aluminum level, addressing incrustation on pot bottom, adjusting electrolyte component by controlling composition of raw materials, reducing lithium content and superheat degree, maintaining suitable molecular ratio and etc. Current efficiency is 90% above and power consumption for one tonnage aluminum is below 13 600 kWh after optimization.
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