write the procedure and feature of leaching in concentration of ores.
Answers
Explanation:
This process is called concentration of the ore. For this, (i) concentration or centrifugation on the basis of difference in densities (ii) froth floatation and (ii) magnetic separation methods are used. 2. Froth floatation method is used for concentration of the ores of the metals whose ores are in sulphide form.
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Hydraulic Washing:
This method concentrates the ore by passing it through an upward stream of water whereby all the lighter particles of gangue are separated from the heavier metal ore. This is a type of gravity separation.
Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century..