Simple Processing of Zinc & Lead Concentrates

Rasp Mine

Overview Rasp MRE

Modern Rasp Processing Plant

Modern, 750ktpa capacity plant using conventional comminution (coarse 200um grind) & sequential flotation

Processing statistics since 2013:

  • Zinc recovery (avg.): 88%
  • Lead recovery (avg.): 88%
  • Silver recovery (into Pb conc., avg.): 75%
  • Zinc concentrate typical grade: 49-50% zinc
  • Lead concentrate typical grade: 65% Pb & 800 - 1,000g/t Ag
A front-end loader at work at Broken Hills Rasp Mine

750ktpa capacity plant using conventional comminution (coarse 200um grind) & sequential flotation