In the froth flotation process for the concen | vedclass

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(B) The froth flotation process is based on the difference in the wetting properties of the ore and the gangue particles with water and oil. Ore parti

Vedclass · Accepted Answer

Their surface is not wetted by water.

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(B) The froth flotation process is based on the difference in the wetting properties of the ore and the gangue particles with water and oil. Ore particles are preferentially wetted by oil,which makes their surface hydrophobic (water-repelling). As a result,they attach to the air bubbles and rise to the surface along with the froth. Gangue particles are preferentially wetted by water and remain in the aqueous phase.

In the froth flotation process for the concentration of ores,why do the ore particles float?

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