Abstract
In this work the dissolution kinetics of chalcopyrite in water saturated with chlorine have been investigated using particle size, reaction temperature and gas flow rate as parameters. It has been found that the dissolution rate decreased with an increase in particle size and reaction temperature, but increased with an increase in gas flow rate. The mechanism by which the dissolution proceeds has been deduced. It has been concluded that the dissolution is controlled by diffusion through the product layer. The activation energy was calculated as 9.06 kJ mol −1.
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