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Acid mistAcid mist generation continues to be an issue faced by the miningMining industry, stemming from O2 generated by electrolysisElectrolysis during copper electrowinningCopper electrowinning. It has previously been controlled by use of reagents that are being phased out, opening the door to new chemistries. BASF has developed a comprehensive approach to validating mist suppressing reagents at laboratory scale. This test regime addresses mist reduction, plating, solvent extractionSolvent extraction (SX) compatibility, and stability. Standard methods have been developed that allow rapid vetting of potential candidates, with confidence and reproducibility. Additionally, attention has been given to detection and quantification of potential mist reagents in Cu SX plant streams.

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Refining Methodology for Cu SXEW Mist Suppressant Validation

  • 会议论文

  • 发表日期：

    2025年

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  • Julius Heidlas,
  • Zachary Ruetz,
  • Brenda Chanez

摘要

Acid mistAcid mist generation continues to be an issue faced by the miningMining industry, stemming from O2 generated by electrolysisElectrolysis during copper electrowinningCopper electrowinning. It has previously been controlled by use of reagents that are being phased out, opening the door to new chemistries. BASF has developed a comprehensive approach to validating mist suppressing reagents at laboratory scale. This test regime addresses mist reduction, plating, solvent extractionSolvent extraction (SX) compatibility, and stability. Standard methods have been developed that allow rapid vetting of potential candidates, with confidence and reproducibility. Additionally, attention has been given to detection and quantification of potential mist reagents in Cu SX plant streams.