Water within Minerals Processing

Dear Colleagues,

Water within minerals processing is currently a highly topical issue. With so many mining operations being located in water-scarce regions as well as worldwide water shortages, tighter environmental restrictions, and developing corporate sustainability strategies, it is essential that mineral-processing operations become cognizant of their water usage and the options for reducing, reusing, and recycling their onsite water where necessary and possible. Although mining generally uses far less water overall than agriculture, it is the processing of minerals that generates water of an inferior quality that either ends up in tailings dams or requires treatment before it can be discharged to the environment. Water makes up the majority of the flotation pulp, with its primary role being that of a transport medium, while more recently it has been considered a reagent in its own right, and it is here that the reuse and recycling of water may be most appropriate. However, owing to the sensitivity of the flotation system to changes in pulp chemistry, the impact of changing water chemistry and therefore water quality needs to be understood. This Special Issue considers the impact that changes in water chemistry will have on the mineral concentration process; a special focus will be given to research that considers flotation as the primary process, while related processes and fit for purpose water treatment will also be considered.

Dr. Kirsten Claire Corin
Dr. Malibongwe Manono
Dr. Mariette Smart
Guest Editors

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