Strategies for the removal of calcium and magnesium from waters in the flotation process of complex sulfides.
DOI:
https://doi.org/10.36790/epistemus.v18i37.377Keywords:
Mining, Mineral flotation, Water treatmentAbstract
Mining is closely related to the use of water, as it is essential for the operation of its processes. In response to the need to preserve this resource, practices have been developed to reduce the consumption of fresh water in the flotation processes. However, the increased use of recycled water in flotation sometimes has negative effects on both the recovery of valuable minerals and grade of the obtained concentrate. The adverse effects observed result into decreased selectivity and yield due to the presence of Ca2+ and Mg2+ ions in the recycled waters. This article reviews some treatment techniques that may be applicable to recycling water in the flotation of sulfide minerals.
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