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MY1254 NON-FERROUS EXTRACTION METALLURGY
1. PYROMETALLURGY
Sources of metals, unit processes of metal extraction- Pyrometallurgical Processes - Principles of drying, calcinations, agglomeration, roasting - roasting techniques, predominance area diagrams. Principles of smelting and converting. Ellingham diagrams. Carbothermic, Hydrothermic and Metallothermic reductions.
2. HYDRO METALLURGY
Principles of hydrometallurgy, advantages, properties of good solvent. Preparation of ore for leaching, leaching methods recovery of metal from liquor, solvent extraction, ion exchange, pressure leaching, gaseous reduction of metals in aqueous solutions, material leaching, recycling of leach liquor.
3. ELECTROMETALLURGYAND REFINING
Aqueous and fused salt electrolysis. Principles of electro refining and electro winning of metals, Purification of crude metals produced in bulk, distillation, liquation, solvent extraction, fire refining. electrolytic refining, and zone refining - examples.
4. EXTRACTION AND REFINING OF METAL ORES
Extraction and refining of metals from sulphide ores copper and nickel, Extraction and refining of metals from oxide ores Al. Mg. Zn, Extraction and refining of metals through halide route – Ti, Zr, U.
5. EXTRACTION OF PRECIOUS METALS
Extraction of precious metals - gold and silver. Recovery of by-product metals and treatment of metallurgical wastes, material and energy balance.
TEXT BOOKS
1. Ray. H.S., Sridhar R., Abraham. K P., “Extraction of Non Ferrous Metals”, Affiliated East - West Press Pvt. Ltd. New Delhi, 1990.
2. Terkel Rosenquist, “Principles of Extractive Metallurgy”, 2nd ed. McGraw-Hill International Book Co. London, 1983.
REFERENCES
1 Ray. H S., and Ghosh A., “Principles of Non-ferrous Extractive Metallurgy”, Prentice Hall of India, New Delhi, 1994.
2 Pehlke.R.D., “Unit Processes in Extractive Metallurgy”, American Elsevier Publishing Co., New York, USA, 1993.
3 Venkatachalam.S., “Hydrometallurgy”, Narosa Publishing House, New Delhi. 1998.
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| Author: Vidya 23 May 2008 | Member Level: Diamond Points : 2 |
useful article
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