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The suitability of methanesulfonic acid as a copper lixiviant with ferric chloride as an oxidant was studied by analysing the leaching kinetics and by characterising solid residues from leach tests on a chalcopyrite-rich ore sample. The effects of temperature, initial acidity, ferric-ion concentration and particle size were determined. The leach kinetics were dependent on the temperature and particle...
Recent investigations have alluded to possible improvements of ore extraction efficiency by leaching due to blast induced fragment conditioning. This paper presents results from a series of controlled blasting tests supported by blast modelling and statistical analysis to study the effect of conditioning on copper extraction in laboratory leaching tests. A leachable synthetic material was developed...
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