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Copper in nature is generally extracted from sulfide minerals. However, an attractive source of this element is carbonates such as malachiteMalachite, which contains 57.47% w/w copper in its structure. To increase its added value, a concentration process is carried out. This research work analyzes the flotation behavior of coarseParticle particlesFlotation coarse particles of 170 mesh (90 μm) at pH 8.6 and 10.5 with potassium amyl xanthateXanthate (PAX) of a mineral that contains quartz as the majority phase goethite, magnetite, malachiteMalachite Cu2(OH)2CO3 as minority phases, detected by X-ray diffraction. The results show 91.5% w/w copper flotation with a grade of 12.5% w/w at pH 8.6 with 0.5 g/L of PAX and a pulp potential (PP) of + 152.8 mV; higher pH does not improve the concentration, obtaining 87.2% w/w with a law of 14.13% w/w at pH 10.5 and PP of + 72 mV.

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Analysis of the Flotation Behavior of Coarse Particles of Malachite Ore

  • 会议论文

  • 发表日期：

    2026年

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  • Juan Daniel Duran García,
  • Marisol Galindo Hidalgo,
  • Martín Reyes Pérez,
  • Iván Alejandro Reyes Domínguez,
  • Dayli Yamilet Tolentino Mendoza,
  • Mishelle Miroslava Sánchez Acosta,
  • Mizraim Uriel Flores Guerrero,
  • Gustavo Urbano Reyes,
  • Felipe Legorreta García

摘要

Copper in nature is generally extracted from sulfide minerals. However, an attractive source of this element is carbonates such as malachiteMalachite, which contains 57.47% w/w copper in its structure. To increase its added value, a concentration process is carried out. This research work analyzes the flotation behavior of coarseParticle particlesFlotation coarse particles of 170 mesh (90 μm) at pH 8.6 and 10.5 with potassium amyl xanthateXanthate (PAX) of a mineral that contains quartz as the majority phase goethite, magnetite, malachiteMalachite Cu2(OH)2CO3 as minority phases, detected by X-ray diffraction. The results show 91.5% w/w copper flotation with a grade of 12.5% w/w at pH 8.6 with 0.5 g/L of PAX and a pulp potential (PP) of + 152.8 mV; higher pH does not improve the concentration, obtaining 87.2% w/w with a law of 14.13% w/w at pH 10.5 and PP of + 72 mV.