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An ore sample of galena (PbS) is contaminated with zinc blende (ZnS). Name one chemical which can be used to concentrate galena selectively by froth floatation method-?

An ore sample of galena (PbS) is contaminated with zinc blende (ZnS). Name one chemical which can be used to concentrate galena selectively by froth floatation method-?

Grade:12

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
8 years ago
chemical which can be used to concentrate galena selectively by froth floatation method
The galena is concentrated by using a collector, potassium ethyl xanthate and sodium cyanamide and alkali as depressant.
The mixture, depresses the activity of ZnS.

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