Investigations on how the froth height is influencing the flotation of ultrafine particles using the newly developed separation apparatus MultiDimFlot
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Date
2022-05-08
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German Mongolian Institute for Resouce and Technology
Abstract
Flotation is a separation process that is based on differences in the surface wettability properties of materials. Hydrophobic particles adhere to air bubbles and create particle-bubble aggregates that rise in suspension and form a froth layer, whereas the hydrophilic particles sink and remain in the pulp. The flotation process is widely applied in the separation of fine particles with a particle size range between 10 µm and 200 µm. However, the flotation of ultrafine particles (x < 10 µm) is facing challenges and unwanted ultrafine gangue particles have a high probability of being entrained, which reduces the quality of the product.