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Emirates Global AluminiumAluminium (EGA) carried out a project to enhance the reliability of CD20 feeder cylinder operation. The alumina feederAlumina feeder plays an essential role in maintaining the appropriate alumina concentrationAlumina concentration in the bath. Malfunctions of the feeder cylinders, attributed to design limitations, have been noted to cause deviations in the alumina feedingAlumina feeding. These deviations affect the efficiency of the cell and can lead to operational issues such as anode effectsAnode Effect (AE). This paper describes the initial challenges, design phases, and successful modification of the feeder system, aimed at minimizing safetySafety concerns and operational issues. The modification addresses problems caused by regulator malfunctions and pressure fluctuations in the previous system, thereby enhancing the responsiveness, reliability, and sealing integrity of the feeder cylinders during operation. This paper will also discuss the implementation in live cells, considering all safetySafety concerns and working conditions in potrooms, without interrupting production.

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Improving Reliability of Alumina Feeder Cylinder Operation in CD20 Potrooms

  • 会议论文

  • 发表日期：

    2026年

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  • Mohamed Aldhanhani,
  • Ghalib Alfalasi,
  • Saud Alnuaimi,
  • Ahmad Aljawhari,
  • Tareq Mohamad,
  • Frederick Boyles,
  • Noli Pardillo,
  • Fahad Abdulrahman,
  • Pradeep Kumar Nadaf,
  • Hamad Alzaabi,
  • Marwan Alustad,
  • Abhinav Singh

摘要

Emirates Global AluminiumAluminium (EGA) carried out a project to enhance the reliability of CD20 feeder cylinder operation. The alumina feederAlumina feeder plays an essential role in maintaining the appropriate alumina concentrationAlumina concentration in the bath. Malfunctions of the feeder cylinders, attributed to design limitations, have been noted to cause deviations in the alumina feedingAlumina feeding. These deviations affect the efficiency of the cell and can lead to operational issues such as anode effectsAnode Effect (AE). This paper describes the initial challenges, design phases, and successful modification of the feeder system, aimed at minimizing safetySafety concerns and operational issues. The modification addresses problems caused by regulator malfunctions and pressure fluctuations in the previous system, thereby enhancing the responsiveness, reliability, and sealing integrity of the feeder cylinders during operation. This paper will also discuss the implementation in live cells, considering all safetySafety concerns and working conditions in potrooms, without interrupting production.