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This study investigates the impact of goethite (α-FeOOH)Goethite (α-FeOOH) nanoparticles on the flotationFlotation behavior of chalcopyriteChalcopyrite and enargiteEnargite, two significant minerals in copperCopper beneficiation processes. FlotationFlotation experiments were conducted using a column-type apparatus for chalcopyriteChalcopyrite and enargiteEnargite. The results demonstrated that goethite nanoparticles significantly hindered the flotationFlotation of both minerals. For chalcopyriteChalcopyrite, the addition of 30 mg/L goethite nanoparticles reduced flotationFlotation recoveryRecovery from 93 to 15%. Similarly, enargiteEnargite recoveryRecovery decreased from 94 to 22% and 16% with 30 mg/L and 50 mg/L goethite nanoparticles, respectively. Surface analysesAnalysis revealed that goethite nanoparticles adsorbed onto the mineral surfaces, rendering them hydrophilic and consequently reducingReducing their floatability. These findings suggest that goethite nanoparticles can act as effective nanodepressantsNanodepressant for both chalcopyriteChalcopyrite and enargiteEnargite flotationFlotation. This study contributes to the development of novel separation techniques for complex copper oresCopper ore, potentially offering more efficient and environmentally friendly alternatives to traditional flotationFlotation processes.

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Evaluating the Influence of Goethite Nanoparticles on the Flotation Performance of Chalcopyrite and Enargite: A Preliminary Study

  • 会议论文

  • 发表日期：

    2025年

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  • Akbarshokh Ulmaszoda,
  • Eska Putra Dwitama,
  • Hajime Miki,
  • Keiko Sasaki,
  • Gde Pandhe Wisnu Suyantara

摘要

This study investigates the impact of goethite (α-FeOOH)Goethite (α-FeOOH) nanoparticles on the flotationFlotation behavior of chalcopyriteChalcopyrite and enargiteEnargite, two significant minerals in copperCopper beneficiation processes. FlotationFlotation experiments were conducted using a column-type apparatus for chalcopyriteChalcopyrite and enargiteEnargite. The results demonstrated that goethite nanoparticles significantly hindered the flotationFlotation of both minerals. For chalcopyriteChalcopyrite, the addition of 30 mg/L goethite nanoparticles reduced flotationFlotation recoveryRecovery from 93 to 15%. Similarly, enargiteEnargite recoveryRecovery decreased from 94 to 22% and 16% with 30 mg/L and 50 mg/L goethite nanoparticles, respectively. Surface analysesAnalysis revealed that goethite nanoparticles adsorbed onto the mineral surfaces, rendering them hydrophilic and consequently reducingReducing their floatability. These findings suggest that goethite nanoparticles can act as effective nanodepressantsNanodepressant for both chalcopyriteChalcopyrite and enargiteEnargite flotationFlotation. This study contributes to the development of novel separation techniques for complex copper oresCopper ore, potentially offering more efficient and environmentally friendly alternatives to traditional flotationFlotation processes.