Abstract
Adaptive simultaneous stochastic optimization of a gold mining complex: A case study
Highlights
In mineral flotation, the nonselective recovery of non-floatable minerals is due to a process of entrainment
The mineral recovery data was plotted against water recovery
When a collector is added to the pulp, it causes hydrophobic minerals to move towards the froth
Summary
The nonselective recovery of non-floatable minerals (typically termed gangue) is due to a process of entrainment. Conditions in the pulp and froth phase are different in each test These differences influence the water content in the froth and the recovery by entrainment. According to the bubble swarm theory proposed by Smith and Warren (1989), the rising column of mineralized bubbles in the froth, which contains solids suspended in the water interstitial to the mineralized bubbles, squeezes out the water and suspended solids. This froth structure promotes rejection of entrained particles. The method of Trahar was restricted to batch rougher flotation, so there is no evidence that entrainment measurements made in rougher flotation are valid in re-flotation
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