Answer to Question #75977 in Inorganic Chemistry for Mahesh

Question #75977
In which cases is hydrometallurgy applicable in such cases how are the leached out metals recovered from solutions explain with suitable examples.
1
Expert's answer
2018-04-16T11:01:43-0400
Hydrometallurgy is the extraction of metals from ores, concentrates and various waste products. Hydrometallurgy is typically divided into three general areas: leaching, solution concentration and purification, metal or metal compound recovery.

The metals or their compounds are precipitated from the solution by electrolysis (copper, zinc, and other metals), by cementation, which is reduction by more electronegative metals (such as copper, silver or gold), by sorption, using ion-exchange resins or carbon, and by liquid extraction of the metal compounds using organic solvents.

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