what are the stages involved in the refining of metals
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In metallurgy, refining consists of purifying an impure metal. It is to be distinguished from other processes such as smelting andcalcining in that those two involve a chemical change to the raw material, whereas in refining, the final material is usually identical chemically to the original one, only it is purer. The processes used are of many types, including pyrometallurgical andhydrometallurgical techniques.
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it is the process of purification of the metal obtained after reduction various methods of refining are employed but the most common one is the electrolytic refining
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