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For sea waterSea water electrochlorinationElectrochlorination systems, scaling is an unavoidable challenge that often leads to decreased current efficiencyCurrent efficiency, increased power consumption, and even poses safety risks. Therefore, it is essential to remove scaleScale from these systems. In this study, the composition and micro-morphology of the scaleScale in electrolytic cellsElectrolytic cell were investigated. Screening and formulation experiments for washingWashing agents were carried out. Moreover, the washingWashing effectiveness of the solid-state descaling agent on sea waterSea water electrochlorinationElectrochlorination systems was tested. The results demonstrated that the developed solid-state washingWashing agent significantly improved the washingWashing efficiency. After washingWashing, the cell voltage was reduced by ~9%, chlorine production increased by 125%, and operating costs decreased by 60%. These findings suggest that solid-state washingWashing agents based on sulfonate and citric acid could effectively replace hydrochloric acid for descaling electrolyzers. The solid-state washingWashing agents developed in this study offered a more efficient and cost-effective solution for electrolyzer descaling.

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Study on the Washing Effectiveness of a Novel Descaling Agent for Electrochlorination Systems

  • 会议论文

  • 发表日期：

    2026年

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  • Dongxia Duan,
  • Xingyun Wang,
  • Fengqi Xu,
  • Qian Tang,
  • Guofeng Yin,
  • Mingwei Sun,
  • Jian Che

摘要

For sea waterSea water electrochlorinationElectrochlorination systems, scaling is an unavoidable challenge that often leads to decreased current efficiencyCurrent efficiency, increased power consumption, and even poses safety risks. Therefore, it is essential to remove scaleScale from these systems. In this study, the composition and micro-morphology of the scaleScale in electrolytic cellsElectrolytic cell were investigated. Screening and formulation experiments for washingWashing agents were carried out. Moreover, the washingWashing effectiveness of the solid-state descaling agent on sea waterSea water electrochlorinationElectrochlorination systems was tested. The results demonstrated that the developed solid-state washingWashing agent significantly improved the washingWashing efficiency. After washingWashing, the cell voltage was reduced by ~9%, chlorine production increased by 125%, and operating costs decreased by 60%. These findings suggest that solid-state washingWashing agents based on sulfonate and citric acid could effectively replace hydrochloric acid for descaling electrolyzers. The solid-state washingWashing agents developed in this study offered a more efficient and cost-effective solution for electrolyzer descaling.