Abstract
To contribute to the process optimization project of MCG (Mining Company of Guemassa-Marrakech, Morocco), a study was carried out on the effect of water quality on the performance of galena and blend flotation, using recycling tailings dam water. Flotation tests were carried out on a galena and blend ore provided by the Mining Company of Guemassa-Marrakech, Morocco (MCG). The obtained results showed that the mixture between the two types of water (Clear and tailing dam waters) in Pb circuit provides a lead recovery (72, 70 %) with a good quality of the final concentrate and selectivity toward (Cu, Zn and Fe). In the case of Zn circuit, the tailing dam water gives a good Zn recovery compared to those obtained in the case of clear water (≈ 70 %), but a low quality of the final Zn concentrate (42 %) than in the case of clear water (48 %) and the mixture water (45%).
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