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Scale formation in precipitation tanksPrecipitation tanks presents significant challenges in alumina refineriesAlumina refinery and negatively impacts the refineries’ production. Effective scale control is crucial to achieving production targets and ensuring operation stability. This paper presents the development of innovative surface coatingSurface coating agents and a unique performance evaluation methodology. Significant reduction in scale formation was observed in a 32-week testing period in real precipitation tanksPrecipitation tanks. It is hypothesized that the surface coatingSurface coating layer can bind to the steel tank surface well, prevent water from wetting the surface, and thus inhibit the gibbsite crystals adhering to the surface.

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Innovative Surface Coating Agents for Scale Inhibition in Precipitation Tanks

  • 会议论文

  • 发表日期：

    2026年

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  • Kewei Wang,
  • Airong Song,
  • Ruzi Zhang,
  • Qi Dai

摘要

Scale formation in precipitation tanksPrecipitation tanks presents significant challenges in alumina refineriesAlumina refinery and negatively impacts the refineries’ production. Effective scale control is crucial to achieving production targets and ensuring operation stability. This paper presents the development of innovative surface coatingSurface coating agents and a unique performance evaluation methodology. Significant reduction in scale formation was observed in a 32-week testing period in real precipitation tanksPrecipitation tanks. It is hypothesized that the surface coatingSurface coating layer can bind to the steel tank surface well, prevent water from wetting the surface, and thus inhibit the gibbsite crystals adhering to the surface.