Tuneable energy dissipation for optimal flotation recovery

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This project aims to develop a new way of improving mineral flotation recovery of coarse particles. In mechanical cells, coarse particles can be detached due to high power input needed to suspend the solids. Fluidised beds provide a much gentler environment, but the flotation process cannot be optimally controlled because the bed conditions are determined by the incoming feed. This project will propose the addition of foreign particles that can be tuned to generate optimal conditions within the fluidised bed that maximise rate of capture of selected particles whilst minimising their tendency to detach. This new approach is expected to increase the size range of floatable particles resulting in a major reduction in grinding energy requirements.