Question

Describe briefly the froth flotation process for concentration of sulphur ores

Answer 1

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$\textbf{Froth Floatation :}$

• This process is mainly useful for sulphide ores which have no wetting property whereas the impurities get wetted..
• The ore with impurities is finely powdered  and kept in water taken in a floatation cell...air under pressure is blown to produce froth in water
• Froth so produced, takes the ore particles to the surface, but impuries get settled in the bottom
• This way, froth is separated and washed to get ore particles

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