Course Details
Subject {L-T-P / C} : MM2306 : Non Ferrous Metal Extraction-Principle and Practice { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Archana Mallik
Syllabus
Principles of Extraction of Metals – I (Mineral Processing): Ore and ore body, parameters defining economy of ore processing, Liberation, communication, crushing, grinding, sizing, classification, Principles of minerals beneficiation such as heavy media separation, jigging, tabling, magnetic and electrostatic separation, Flotation, Solid – Liquid separation.
Principles of Extraction of Metals – II (Pyrometallurgy): Role of Ellingham diagram and phase stability diagrams, drying, calcinations, roasting and its types, smelting and its types. (1) Pyrometallurigical extraction of copper: flowsheet, flotation, roasting, matte smelting, converting, refining. (2) Pyrometallurgical extraction of nickel: flowsheet, roasting, matte smelting, (3) Pyometallurgical extraction of zinc and lead: flowsheet, flotation, roasting, sintering, smelting, refining, (4) Extraction of Titanium: Flowsheet – Kroll’s process, carbochlorination, (5) Extraction of Magnesium.
Principles of Extraction of Metals – III (Hydro & Electometallurgy): Principles of Leaching, simple dissolution, oxidative and reductive leaching, types of leaching in sites leaching, heap leaching, vat leaching, agitation leaching, pressure leaching, bio leaching solution extraction, ion exchange, Electrode potential, Electrochemical cell, electrochemical series, Eh – ph diagram. Faradays’ Law, Cell voltage, current density, current efficiency, Electro-winning, Electro refining, direct electowining, fussed – salt electrolysis. (5) (A) Hydrometallurgy of Zinc: flowsheet flotation roasting, solution purification, electrowinning, (B) pressure – Leaching – EW. (6) Hydrometallurgy of copper flowsheet, heap leching/bioleach/roast – leach, solvent extraction, electrowinning. (7) Hydrometallurgy of nickel: (A) Pressure leaching electowinning, (B) Direct – electowinning of Mette – anode, (C) Lattierite processing (1) H2SO4 pressure leaching and (2) Roasting – Ammoniazed leaching – BNC precipitation, (8) Metallurgy of Uranium: flowshet in-situ / heap/ vat – leaching – solution purification, production of UO2, (9) Metallurgy of Au and Ag: flowsheet – leaching – purification – EW, (10) Metallurgy of Aluminium – Bayers process, Hall – Heroult process, anode preparation, electrolyte, energy consumption, (11) Metallurgy (fused salt – EW) of CA, Mg, Na: flowsheet.
Course Objectives
- Understanding the principles of non-ferrous metal extraction and principles along with the underlying principle.
- Indian and Global scenario of non-ferrous metal extraction
Course Outcomes
- Basic thermodynamics and kinetics principles of metal extraction <br />- Principles of general extraction and refining starting from Pyrometallurgy, Hydrometallurgy to Electrometallurgy <br />- Application of the principles for various non-ferrous metal extractions, principally metals like Al, Cu, Zn, U, Rare Earth <br />- Industrial practices of Metal extraction in Indian and global context along with a note on newer routes of extraction and their potential for commercialization <br />- Use of modern tools such as simulation software to analyze and propose different unit processes of extraction for metal extraction <br />- Mass and Energy balance through rigorous numeral analysis of metal extraction processes to design
Essential Reading
- H. S. Ray, R. Sridhar, K. P. Abraham, Extraction of Non-ferrous Metals, Affiliated East-West Press Pvt. Ltd. , The text book is designed to meet the needs of the undergraduate students and practising Metallurgists.
- M. Shamsuddin, Physical Chemistry of Metallurgical Processes, Willey , The book presents the physical chemistry aspects concerning chemical metallurgy with appropriate examples, as much as possible from various extractive metallurgical processes. A must for all the under graduate Metallurgists.
Supplementary Reading
- C. Bodsworth, Extraction and Refining of Metals, CRC Press
- T. Rosenquist, Principles of Extractive Metallurgy, McGraw hill
Journal and Conferences
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