Mining & Metals

Gold & Silver

Free-milling and refractory ore treatment, from comminution through to doré and refining.

Ore treatment

Crushing, grinding and gravity recovery
Carbon-in-leach (CIL) and carbon-in-pulp (CIP) circuits
Heap leaching for low-grade and oxide ores

Refractory ores

Pressure oxidation (POX) and autoclave circuits
Bio-oxidation (BIOX)
Ultra-fine grinding and roasting routes

Recovery and refining

Elution, electrowinning and carbon regeneration
Smelting to doré
Cyanide detoxification and tailings management