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Why is froth floatation process selected...

Why is froth floatation process selected for the concentration of the sulphide ore ?

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In this process, sulphide ore particles are wetted by oil (e.g. pine oil ) and gangue particles by water. Thus, it helps in their separation.
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Froth floatation process is used for the concentration of

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Froth floatation process used for the concentration of sulphide ore :

Why is the froth flotation method selected for the concentration of Sulphide ores ?

DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -Questions From Board Examinations
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