About the Gold Ore

Gold, the world's most valuable and alluring precious metal, has symbolized wealth and stability since ancient times. In modern mining and financial systems, gold serves not only as an anchor asset for monetary systems but also as a critical raw material for industrial manufacturing, jewelry processing, and high-tech industries. Its stability, high ductility, and corrosion resistance make gold a vital safeguard for long-term returns and risk mitigation in mining investments.

Processing Technology

Process selection depends on ore type, liberation size, mineralogy, and economics. Primary routes include Gravity Separation, Flotation, Cyanidation, and Combined Processes.

  • Gravity Separation

    1.Primary Crushing & Screening (remove waste rock)
    2.Gravity Concentration (Spiral Chute / Jig / Shaking Table)
    3.Concentrate Upgrading & Thickening → High-grade gold concentrate.
    4.Tailings: Recirculate or send to flotation/cyanidation.

  • Flotation

    1.Crushing & Grinding (to -200 mesh, 60%-80% passing).
    2.Roughing: Add collectors/frothers; produce bulk concentrate.
    3.Cleaning: Upgrade concentrate grade.
    4.Scavenging: Recover residual gold from tails.
    5.Concentrate: Direct smelting or cyanidation.

  • Cyanidation

    1.Crushing & Grinding (to -200 mesh, 80%-90% passing).
    2.Cyanide Leaching (CIL/CIP): Gold dissolves into solution.
    3.Adsorption/Elution: Activated carbon adsorbs gold complex; eluted & electrowon to gold mud.
    4.Smelting → High-purity gold.

  • Heap Leaching

    1.Ore Preparation: Crush to -20mm; agglomerate if clayey.
    2.Pad Construction: Impermeable base (HDPE/clay) → stack ore.
    3.Leaching: Recirculate NaCN solution (0.02%-0.1%, pH 10.5-11.5 w/ lime).
    4.Pregnant Solution: Drain to collection pond.
    5.Gold Recovery: Carbon adsorption columns → loaded carbon to elution/EW.
    6.Barren Solution: Recycle to heap (closed loop).
    7.Closure & Reclamation: Wash/decommission pad → ecological restoration.

Processing Plant Construction Workflow

Services

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