MetallurgyHard

Question

Froth floatation process used for the concentration of sulphide ore :

Options

A.is based on the difference in wetability of different minerals.
B.uses Xanthates and fatty acids as collector.
C.uses NaCN as depressant in the mixture of ZnS and PbS when ZnS forms soluble complex and PbS forms froth.
D.All are correct statements.

Solution

Options (A), (B) and (C) comprise the froth floatation process.

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