Oneira has executed a range of diverse and challenging projects for industrial mineral clients.

Oneira’s experience in the sector extends to bulk materials handling, industrial processing and manufacturing in cement, gypsum, lime, salt, magnesium and other light metals. 

  • Bulk Material Handling
  • Bulk Material Storage
  • Crushing and Grinding
  • Calcination
  • Dust Control

In collaboration with parent company, EPCM, Oneira delivers extensive process know-how in non-ferrous metals extraction and refining. Together, Oneira and EPCM have more than 30 years of experience working with the world’s largest mining companies.

  • Dump, Heap and Tank Leaching
  • Bacterial Leaching
  • Pressure Leaching
  • Ion Exchange
  • Bleed Stream Treatment
  • Solvent Extraction
  • Electro-Winning
  • Electro-Refining
  • Electrode Handling
  • Tankhouse Modernization