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Sulphide ore of zinc/copper is concentrated by:
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Text solutionVerified
- Froth floatation method is used for removing gangue from sulphide ores. In this process, a suspension of the powdered ore is made with water.
- Collectors and froth stabilizers are added to it. Collectors (e.g., pine oils, fatty acids, xanthates, etc.) enhance non-wettability of the mineral particles and froth stabilizers (e.g., cresols, aniline) stabilize the froth.
- The mineral particles become wet by oils while the gangue particles by
water.
- A rotating paddle agitates the mixture and draws air in it. As a result, the froth is formed which carries the mineral particles. The froth is light and is skimmed off. It is then dried for recovery of the ore particles.
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Question Text | Sulphide ore of zinc/copper is concentrated by: |
Answer Type | Text solution:1 |
Upvotes | 150 |