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In response to a certain cyanide containing wastewater, based on the principles of good cyanide removal effect, simple process flow, and low reagent cost, with the goal of reducing Fe, free cyanide, and total cyanide, and considering various technologies comprehensively, the iron salt precipitation method with relatively low reagent cost and good cyanide removal effect was selected. The Fe, free cyanide, and total cyanide concentrations in this wastewater were successfully reduced to 22.35mg/L, 15.42mg/L, and 78.86mg/L, respectively, achieving the expected goals.

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Experimental Study on Cyanide Removal from a Certain Cyanide Containing Wastewater by Iron Salt Precipitation Method

  • 会议论文

  • 发表日期：

    2025年

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  • Yanbo Chen,
  • Guangsheng Li,
  • Xingfu Zhu,
  • Junjie Wang,
  • Juntong Zhang,
  • Jiajuan Zhang,
  • Qing Xu

摘要

In response to a certain cyanide containing wastewater, based on the principles of good cyanide removal effect, simple process flow, and low reagent cost, with the goal of reducing Fe, free cyanide, and total cyanide, and considering various technologies comprehensively, the iron salt precipitation method with relatively low reagent cost and good cyanide removal effect was selected. The Fe, free cyanide, and total cyanide concentrations in this wastewater were successfully reduced to 22.35mg/L, 15.42mg/L, and 78.86mg/L, respectively, achieving the expected goals.