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The aluminium smeltingAluminium smelting industryIndustry always seeks ways to increase efficiency and reduce costs. However, the trend towards longer anodesAnode has increased the risk of breakages due to their proximity to crust breakers and feeders. A portion of the carbonCarbon area on the top corner and side of the anodesAnode remains unused during electrolysis and is lost due to airburn and carboxy attack. This area is prone to breakage. To solve this problem, chamfered sides on anodesAnode have been implemented. Chamfering involves beveling the anodeAnode edges and has been shown to remove unused carbonCarbon areas, offering several potential advantages. Our analysis shows that this design modification can significantly lower raw material and transportation costs as well as carbon consumptionCarbon consumption. This paper comprehensively reviews the chamfered anodeChamfered anodes design and highlights its economic and environmental benefits while maintaining the anodesAnode’ mechanical integrity within aluminium reductionAluminium reduction cells.

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The Impact of Chamfered Anode Sides on Cost and Carbon Consumption

  • 会议论文

  • 发表日期：

    2025年

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  • Edouard G. M. Mofor,
  • Alexander Mukhanov,
  • P. V. B. Mallikarjuna Rao,
  • Nadia Ahli,
  • Abani Kumar Meher

摘要

The aluminium smeltingAluminium smelting industryIndustry always seeks ways to increase efficiency and reduce costs. However, the trend towards longer anodesAnode has increased the risk of breakages due to their proximity to crust breakers and feeders. A portion of the carbonCarbon area on the top corner and side of the anodesAnode remains unused during electrolysis and is lost due to airburn and carboxy attack. This area is prone to breakage. To solve this problem, chamfered sides on anodesAnode have been implemented. Chamfering involves beveling the anodeAnode edges and has been shown to remove unused carbonCarbon areas, offering several potential advantages. Our analysis shows that this design modification can significantly lower raw material and transportation costs as well as carbon consumptionCarbon consumption. This paper comprehensively reviews the chamfered anodeChamfered anodes design and highlights its economic and environmental benefits while maintaining the anodesAnode’ mechanical integrity within aluminium reductionAluminium reduction cells.