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This study investigates the effect of different cooling methods on the formation of defects and the propertiesProperties of carbon anodesCarbon anode used in the primary aluminiumAluminium industry. Pilot green anodesAnode weighing 10 kg were produced and cooled using free air, forced air (1.0 and 1.8 m/s), water bath (20, 30, and 40 °C), water spray, and a combination of air and water. Computed tomographyComputed tomography scans were used to measure the defect percentages before and after bakingBaking. The findings indicate that the combination cooling method, which involved initial air cooling followed by water cooling, resulted in the fewest defects and the best overall anodeAnode propertiesProperties. Among the individual cooling methods, forced-air cooling at 1.8 m/s yielded the best results for air-cooled anodesAnode, while water cooling at 30 °C was the most effective for water-cooled anodesAnode. The results are presented which demonstrate the impact of different green anode cooling methodsGreen anode cooling methods on anodeAnode propertiesProperties.

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The Effect of Green Anode Cooling Methods on Carbon Anode Quality

  • 会议论文

  • 发表日期：

    2026年

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  • Mohammadhossein Dabaghi,
  • Duygu Kocaefe,
  • Yasar Kocaefe,
  • Belkacem Amara,
  • Dipankar Bhattacharyay

摘要

This study investigates the effect of different cooling methods on the formation of defects and the propertiesProperties of carbon anodesCarbon anode used in the primary aluminiumAluminium industry. Pilot green anodesAnode weighing 10 kg were produced and cooled using free air, forced air (1.0 and 1.8 m/s), water bath (20, 30, and 40 °C), water spray, and a combination of air and water. Computed tomographyComputed tomography scans were used to measure the defect percentages before and after bakingBaking. The findings indicate that the combination cooling method, which involved initial air cooling followed by water cooling, resulted in the fewest defects and the best overall anodeAnode propertiesProperties. Among the individual cooling methods, forced-air cooling at 1.8 m/s yielded the best results for air-cooled anodesAnode, while water cooling at 30 °C was the most effective for water-cooled anodesAnode. The results are presented which demonstrate the impact of different green anode cooling methodsGreen anode cooling methods on anodeAnode propertiesProperties.