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Improved atmospheric acid leaching (AL) of complex, low grade nickel (Ni) laterite ores warrants greater knowledge of the exact processes underpinning Ni and pay metal cobalt (Co) extraction rates, acid consumption and pulp handleability. In this study, the influence of agitation rate (600–1000rpm) and temperature (70 and 95°C) on the isothermal, batch acid leaching and rheological behaviour of saprolitic...
This study investigates the isothermal, batch, H 2 SO 4 acid leaching behaviour of siliceous goethitic (SG) nickel (Ni) laterite ore and its links to pulp rheology. Specifically, the effect of feed ore particle size (−0.2 vs −2.0mm), leaching temperature (70 vs 95°C) and pulp rheology on Ni and pay metal, cobalt (Co) extraction kinetics and yield was studied for 4h on 40wt.% solid...
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