Gold Processing Circuit at Tower Gold Project: Crushing, Grinding & CIP Recovery

  • Project: Tower Gold Project in Ontario, Canada, developed by STLLR Gold Inc. with engineering by G Mining Services (2025 PEA).
  • Throughput: 9.5 Mtpa (26,027 t/day) of fresh rock at 0.91 g/t gold head grade.
  • Recovery: 92.7% gold recovery via conventional CIP (carbon-in-pulp) circuit.
  • Key Process Steps: Primary crushing (P80 125 mm) → Grinding (P80 75 µm) → Pre-leach thickening → Cyanide leaching (30h residence) → CIP adsorption → Electrowinning for doré production.
  • Critical Design: SO2/O2 cyanide destruction (<1 ppm WAD), 92% plant availability, and automated process control.
  • Sustainability: Tailings treated for cyanide removal before storage, aligning with ESG best practices.

Further Reading

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