What is meant by ore concentration? Name four common methods of ore concentration and describe them.
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The processes used for removing the gangue from the ore are based on the
differences between the physical or chemical properties of the gangue
and the ore. At first the ore is crushed to powder. The pulverized ore
is separated by physical processes like hydraulic washing,
froth-floatation, and magnetic separation or by chemical processes,
depending on the nature of the ore and its impurities. Concentration of
the ore is also known as 'dressing' or 'enrichment' of ore.
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Answer:
The process of removal of gangue or earthly impurities from the ores is known as concentration of ores.
four common methods of ore concentration:
-Hydraulic Washing.
-Froth Flotation.
-Electromagnetic Separation.
-Leaching
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