Question

5. Name the process used in the concentration of a
sulphide ore. Describe the stages that are involved
in the extraction of a metal from a sulphide ore.
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Answer 1

Answer:

The principle of froth flotation process is that sulphide ores are preferentially wetted by the pine oil, whereas the gangue particles are wetted by the water. Hence the method used for the concentration of sulphide ores is froth flotation.

Froth floatation method is based on the principle of the difference in the wetting properties of the ore and the gangue particles with the water and oil. It is used for selectively separating hydrophobic material from hydrophilic. This method is used for that metals whose ore gets preferably wetted by the oil and the gangue by the water. The sulphide ores are preferably wetted by the oil and the gangue with water. Hence, this method is suitable for the concentration of the sulphide ore.

Answer 2

The principle of froth flotation process is that sulphide ores are preferentially wetted by the pine oil, whereas the gangue particles are wetted by the water. Hence the method used for the concentration of sulphide ores is froth flotation.

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