The Rise of Nickel Laterites and Advances in Sulphide ...
− Beneficiation − Roasting − Smelting − Refining – not our focus today ... Can deal with low grade concentrates (3%) ... Laterite Pyrometallurgy – Nickel Pig Iron (NPI) • Process: − Used with limonite − Roasting − Smelting Blast furnaces, submerged arc furnaces − Refining