JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Overview

Course objectives:

• 1. To explain the various methods of extraction of nonferrous metals.
• 2. To describe the procedure and equipment used for production of nonferrous metals from their ores. Course outcomes: At the end of the course, student would be able to recommend
• 1. The course gives an insight into the various methods of production of important nonferrous metals
• 2. The students get an idea of energy saving methods and environment controlling methods in extractive units.
• 3. The course is useful for higher studies, R&D, and also for getting jobs in metallurgical processing industries

UNIT - I

Copper: Principal Ore and Minerals; Matte smelting – Blast furnace, Reverberatory, Electric furnace, Flash; Converting; Continuous production of blister Copper; Fire refining; Electrolytic refining; Hydro- Metallurgical copper extraction; Leaching processes, Recovery of copper from leach solutions; Electro- winning.

UNIT - II

Zinc: General Principles: Horizontal and vertical retort processes: Production in a Blast furnace: Leaching purification: Electrolysis, Refining. Lead: Blast furnace smelting, Refining of lead bullion.

UNIT - III

Aluminium: Bayer process: Hall - Heroult process: Anode effect: Efficiency of the process: Refining, Alternative processes of aluminum production.

UNIT - IV

Magnesium: Production of a hydrous Magnesium chloride from seawater and magnesite. Electro- winning practice and problem, refining, Pidgeon and Handspring processes. Titanium: Upgrading of ilmenite, chlorination of titanium, Kroll's process. Refining.

UNIT - V

Uranium: Acid and alkali processes for digestion of uranium ores, Purification of crude salt, Production of reactor grade UO2 and uranium. Simplified flow sheets for the extraction of nickel, tungsten and gold. Review of non-ferrous metal industries in India.

TEXT BOOKS:

• 1. Extraction of Non-Ferrous Metals - HS Ray, KP Abraham and R. Sridhar
• 2. Non-Ferrous Extractive Metallurgy – G B Gill John Wiley & Sons 1980

REFERENCE BOOKS:

• 1. Extractive Metallurgy 1: Basic Thermodynamics and Kinetics, Alain Vignes (ISTE Ltd.,)
• 2. Extractive Metallurgy 2: Metallurgical Reaction Processes, Alain Vignes (ISTE Ltd.,)
• 3. Extractive Metallurgy 3: Processing Operations and Routes, Alain Vignes (ISTE Ltd.)
• 4. Topics in non-ferrous extractive metallurgy, Burkin, Wiley-Blackwell (1980) R18 B.TECH MME III YEAR