Electrometallurgy is a set of technologies, together with electricity and other factors, resulting in physical and / or chemical reactions which are used to obtain and / or refine materials; being thus part of the electrochemistry. Electrometallurgy is defined as the branch of metallurgy that uses electrical energy for the production and treatment of metals, the electric energy is converted into heat in order to produce the temperature required for the process or serve to decompose a compound by action of electrolytic in which the heat generated is relatively small or by electrolysis, in which the amount of heat employed is necessarily large.

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