Hydrometallurgy – Nickel

OMC has fostered a highly skilled team specialising in the field of hydrometallurgy. This group is lead by a world renowned Hydrometallurgist with extensive operating experience in projects spanning the globe

mineral processing

Leaching – (Atmospheric, Pressure Oxidation, Pressure Metathesis)

  • Laterites
  • Concentrates (pentlandite, violarite, millerite, gersdorffite etc)
  • Mattes
  • Alloys


  • Precipitation
  • Solvent Extraction
  • Ion exchange

Metal Recovery

  • Electrowinning (divided cells)
  • Hydrogen reduction
  • Crude and pure semi-products, hydroxides, carbonates
  • Salts eg nickel sulphate

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