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.

Gold

• 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