Customer Navoi Mining  and Metallurgical Combine (NGMK), Uzbekistan

Commissioning

• 1st stage 2009
• 2nd stage 2011

Services

• Full project planning and coordination of the reconstruction and expansion of a gold recovery plant
• Supply of main components

Scope of supply 

• Hydrocyclone-plant ContiClass^®System
• Flotation 
• Thickening
• Counter-current washing and neutralisation 
• Process air generation via turbo compress for "BIOX^®*"-process 
• Plants for preparation and dosing of chemicals for flotation 
• Cooling tower systems for cooling water for process air and  for cooling of "BIOX^®"-reactors 
• Pumping station for "BIOX^®"-feed
• Full automation and setting-up of process control system

Technical data

Capacity: 3.2 Mio. tons of ore/year

Customer benefits

• Increasing efficiency of gold extraction from sulphide ores which are difficult to treat
• Optimisation of flotation ore charge for BIO-Oxidation (BIOX^®)
• The sulfur-oxidizing *BIOX-process - according to the technologies of company BIOMIN -  is one hundred thousand times faster by using micro-organisms in an oxygen environment than under conventional conditions