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JamesoniteJamesonite is a natural source of leadLead with the formula Pb4FeSb6Pb4, commonly associated with undesirable sulfide minerals such as pyritePyrite. During flotation separation, this phase floats freely with valuable minerals. Alternative non-toxic reagents such as thioglycolateThioglycolate (TG) have been proposed to suppress pyritePyrite, showing good effectiveness. However, the effect of TG on collectorless flotationCollectorless flotation of jamesoniteJamesonite is unknown. This research investigates flotation in the presence of thioglycolateThioglycolate. The results indicate the depressionDepression of jamesoniteJamesonite at pH 6.0, 8.0 and 10.0 the maximum depressionDepression is with 0.25 g/L of TG obtaining a flotation of 27.2% and 19.09% w/w for pH 6 and 10. On the other hand the surfaceSurface of the leadLead mineral is activated during the collectorless flotationCollectorless flotation at alkaline pH of 12.0 and for all the proportions of TG used (0.25, 0.5, 1.0 and 1.5 g/L) obtaining around 97% w/w of cumulative separation after ten minutes of processing.

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Study of Collectorless Flotation of Jamesonite in the Presence of Thioglycolate

  • 会议论文

  • 发表日期：

    2026年

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  • Leonardo Haziel Jiménez Bello,
  • Eduardo García Bautista,
  • Martín Reyes Pérez,
  • Iván A. Reyes Domínguez,
  • Dayli Yamilet Tolentino Mendoza,
  • Mishelle Miroslava Sánchez Acosta,
  • Mizraim U. Flores Guerrero,
  • Miguel Pérez Labra,
  • Francisco Raúl Barrientos Hernández

摘要

JamesoniteJamesonite is a natural source of leadLead with the formula Pb4FeSb6Pb4, commonly associated with undesirable sulfide minerals such as pyritePyrite. During flotation separation, this phase floats freely with valuable minerals. Alternative non-toxic reagents such as thioglycolateThioglycolate (TG) have been proposed to suppress pyritePyrite, showing good effectiveness. However, the effect of TG on collectorless flotationCollectorless flotation of jamesoniteJamesonite is unknown. This research investigates flotation in the presence of thioglycolateThioglycolate. The results indicate the depressionDepression of jamesoniteJamesonite at pH 6.0, 8.0 and 10.0 the maximum depressionDepression is with 0.25 g/L of TG obtaining a flotation of 27.2% and 19.09% w/w for pH 6 and 10. On the other hand the surfaceSurface of the leadLead mineral is activated during the collectorless flotationCollectorless flotation at alkaline pH of 12.0 and for all the proportions of TG used (0.25, 0.5, 1.0 and 1.5 g/L) obtaining around 97% w/w of cumulative separation after ten minutes of processing.