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2010sProcess & Production
1
2010

CBMM sets ferroniobium production capacity goal of 150,000 tonnes.

2011

Second sintering plant begins operations.

2013

New ore blending yard fully operational.

Installation of slime flotation system. 

Oxide plant optimizes reaction and calcination systems.

Ferroniobium briquette plant opens.

New ferroniobium grinding mill installed.

2014

Installation of pneumatic conveyor system for samples. 

New aluminothermic reduction facility opens.

Metallurgy plant receives new circuit for primary crushing.

Hydrometallurgical Research Center opens.

2015

​Ammonium niobium oxalate industrial production facility begins operations.

Horizontal ATR production commences.

Approved2/10/2017 4:20 PMDawn Kelly3
 
  
90sProcess & Production
2
1994

Ferroniobium produced in electric arc furnace.

New vacuum grade alloys plant commissioned.

1997

Optical grade oxide production commences.

1998

Crushing & packaging facilities are automated.​​

Approved4/4/2016 5:00 PMPriscila Freitas18
 
  
2000sProcess & Production
2
2000

Concentrate refined by pyrometallurgy.

Ferroniobium production capacity reaches 45,000 tonnes.

2002

New special alloys plant opens.

2003

New electron beam furnace installed.

2006

Ferroniobium production capacity reaches 70,000 tonnes.

2008

Ferroniobium production capacity expanded to 90,000 tonnes.​

Approved4/4/2016 5:00 PMPriscila Freitas19
 
  
80sProcess & Production
2
1982  

3.2-km ore conveyor belt installed in Araxá, linking the mine to the concentration facility.

Vacuum grade alloy production begins.

1989

Electron beam plant commissioned for niobium metal production.

Ferroniobium production capacity expanded to 26,000 tonnes.

New oxide plant opens.​

Approved4/4/2016 5:00 PMPriscila Freitas24
 
  
70sProcess & Production
2
1975

Start of ferroniobium production in Araxá.

1979

Ferroniobium production capacity = 15,000 tonnes.

Large-scale niobium oxide production begins (4,800 tonne production capacity).

Approved4/4/2016 5:00 PMPriscila Freitas28
 
  
60sProcess & Production
2
1965

Niobium concentrate production capacity = 1,800 tonnes.

1966

Niobium concentrate production capacity = 3,600 tonnes.

Approved4/4/2016 5:00 PMPriscila Freitas31

CBMM's headquarters, mine, manufacturing facilities and technology center are located in Araxá, Minas Gerais, Brazil. Even though the Company mines the largest known proven reserves of pyrochlore (niobium-bearing mineral) in the world, it continuously invests in the optimization of extraction and ore processing procedures in line with its management approach to conscientiously use natural resources and raw materials.

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CBMM sells only niobium finished products. No amount of niobium ore leaves Araxá without being transformed into higher value-added, finished niobium products.

The Company developed and continuously improves the technological processes involved in each of the 15 steps that comprise niobium product manufacturing. 

Decades of investment in the technology of niobium products and processes have resulted in the Company's cutting-edge facilities to process pyrochlore and transform it into some of the most sophisticated solutions to the challenges of the modern age.

 

​​The evolution of CBMM's processes and production capacity.