Main Types Of Metallurgical Processes
Category : JEE Main & Advanced
Different metallurgical processes can be broadly divided into three main types
(1) Pyrometallurgy : Extraction is done using heat energy. The metals like \[Cu,\,Fe,\text{ }Zn,\,Pb,\,Sn,\,Ni,\,Cr,\,Hg\] etc. Which are found in the nature in the form of oxides, carbonates, sulphides are extracted by this process.
(2) Hydrometallurgy : Extraction of metals involving aqueous solution is known as hydrometallurgy. Silver, gold etc are extracted by this process.
(3) Electrometallurgy : Extraction of highly reactive metals such as \[Na,\,K,\,Ca,\,Mg,\,Al\] etc. by carrying electrolysis of one of the suitable compound in fused or molten state.
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