Non-ferrous Extractive Metallurgy

IIT Kharagpur Course , Prof. H.S. Ray

Lecture 1: Mod-01 Lec-01 Lecture-01-Extraction of Copper (Contd.)

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Lecture Details :

Non-ferrous Extractive Metallurgy by Prof.H.S. Ray,Department of Metallurgical & Materials Engineering,IIT Kharagpur.For more details on NPTEL visit

Course Description :

Early developments in metal extraction (Introduction, discovery of metals and their importance, important landmarks, nonferrous metals in Indian history, uses of nonferrous metals).

Sources of nonferrous metals (Sources in land and sea, exploration methods, methods of beneficiation, nonferrous metals wealth in India).
Principles of metals extraction, (Thermodynamic principles, homogeneous and heterogeneous reactions, Ellingham diagrams, kinetic principles, principles of electro-chemistry).

General methods of extraction, (Pyro-metallurgy calcinations, roasting and smelting, Hydrometallurgy leaching, solvent extraction, ion exchange, precipitation, and electrometallurgy electrolysis and electro-refining).
General methods of refining, (Basic approaches, preparation of pure compounds, purification of crude metal produced in bulk).

Extraction of metals from oxide sources, (Basic approaches and special features of specific extraction processes, extraction of metals such as magnesium, aluminum, tin and ferro-alloying elements, production of ferro alloys.
Extraction of metals from sulphide ores, (Pyro-metallurgy and hydro-metallurgy of sulphides, production of metals such as copper, lead, zinc, nickel etc.)

Extraction of metals from halides, (Production of halides and refining methods, production of reactive and reactor metals. Methods of extraction of metals such as titanium, rare earths, uranium, thorium, plutonium, beryllium, zirconium etc.).
Production of precious metals (Methods applied for gold, silver and pt. group of metals).
Secondary metals and utilization of wastes, Energy and environmental issues in nonferrous metals extraction.

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