1.

Write the principle behind the froth floatation process. What is the role of collectors in this process ?

Answer»

This method is based upon the preferential wetting of mineral/ore particles by oil and gangue by water.

Collectors enhance non- wettability of the mineral ore particles to float.

Detailed Answer:

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic by preferential wetting of mineral or ore particles by oil and gangue (impurities) by water. 

Collectors enhance the non-wettability of the mineral particles in the froth floatation process.



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