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CalciumCalcium is present in raw materials used for primary aluminum productionAluminum production. This causes the concentration of calcium fluorideCalcium fluoride in the bath to be somewhat dynamic. Pathways of entry and exit and recirculation routes are the focus of this paper. Using operational data from TRIMET Aluminium SE, this study quantifies calciumCalcium enrichment factors and discusses implications for bath chemistryBath chemistry control. Positive and negative effects of CaF₂ on bath propertiesProperties are outlined, along with strategies to manage calciumCalcium content.

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Calcium’s Pathways in Aluminum Production

  • 会议论文

  • 发表日期：

    2026年

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  • Roman Düssel,
  • Alexandra Hubrig,
  • Halvor Kvande,
  • Stephen Lindsay,
  • Gudrun Saevarsdottir

摘要

CalciumCalcium is present in raw materials used for primary aluminum productionAluminum production. This causes the concentration of calcium fluorideCalcium fluoride in the bath to be somewhat dynamic. Pathways of entry and exit and recirculation routes are the focus of this paper. Using operational data from TRIMET Aluminium SE, this study quantifies calciumCalcium enrichment factors and discusses implications for bath chemistryBath chemistry control. Positive and negative effects of CaF₂ on bath propertiesProperties are outlined, along with strategies to manage calciumCalcium content.