JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• To learn alternate routes of iron making based on coal based and gas-based processes.
• Gain knowledge about important smelt reduction processes.
• To enhance the technical knowledge in secondary steel making processes.

Course Outcomes

At the end of the course, student will be able to gain

• Comprehensive understanding of alternate routes to iron making concomitant to kinetics of reduction of oxides of iron.
• Knowledge about smelt reduction processes.
• Knowledge about the importance of secondary steel making processes and types of processes.

UNIT - I

Basics of iron and steel productions. The need for alternative routes, fundamentals of direct reduction, applications of DRI.

UNIT - II

Coal based DR processes; Rotary Kiln, Fast met, ITMK 3 process. Gas based DR processes: HYL process, Finmet, HIB process.

UNIT - III

Smelting Reduction Processes: Introduction, need and significance of smelting reduction. Classification of SR processes. Raw materials, advantages and limitations, fundamentals of SR process, Details about COREX, fast melt Processes.

UNIT - IV

Secondary Steel Making process, introduction, objectives, types, advantages and limitations. Stirring techniques, synthesis, slag refining, injection metallurgy.

UNIT - V

Vacuum treatment of steel, RH process and DH process, post solidification treatments, ESR and VAR process.

TEXT BOOKS:

• 1. Sponge Iron Production by direct Reduction of Iron oxide, by Amit Chatterjee. PHI learning Pvt Ltd. M.D. 2nd Edition.
• 2. Hot Metal production by smelting reduction of Iron oxide, by Amit Chatterjee. PHI learning Pvt Ltd.
• 3. Ahindra Ghosh: Secondary steel Making – Principles and Applications, CRC press, 2001.

REFERENCE BOOKS:

• 1. Amit Chatterjee: Beyond the Blast Furnace, CRC press, 1992.
• 2. Steel Making – A.K. Chakrabarti. PHI.