Precious Metals

Plants and facilities to process decopperized anode slimesand other precious metals bearing raw materials to produce refined silver and gold as well as an impure PGM sponge.


  • Drying and preheating of gold bearing ores with CFB-technology
  • Roasting technology of gold bearing concentrates
  • Application of oxygen injection technology
  • Smelting and converting
  • Electrolytic refininery of ??? metal
  • Silver electrolysis
  • Gold electrolysis
  • In situ capture of SO2 with lime or limestone
  • Arsenic fixation during the roasting process
  • Waste heat recovery
  • Dry and wet gas cleaning
  • Evaporation cooler
  • Sulphuric acid production