Desulphurization of hot metal is a crucial step in the steel manufacturing process. Sulphur in steel adversely influences both mechanical and corrosion properties of the steel and causes hot shortness. A primary source of sulphur in the hot metal is the coal used in the blast furnace. As the usage of lower grade coal is being more common, more sulphur is introduced into the hot metal. Thus, there is an increased need for efficient Desulphurization of hot metal. Thus, this eLearning module explains the importance of Desulphurization in achieving the desired quality of steel.
Description
By the end of this course, you will be able to understand:-
Steel Making Process
Desulphurization
1. Benefits of Desulphurization
2. Desulphurization Process
3. Types of Injection Systems
4. Co-Injection Philosophy
5. Injection Systems
6. Reagents
7. Safety issues in Desulphurisation
8. Objectives of Desulphurisation
9. Influencing Process Parameters
10. Carry Over BF Slag
11. Hot Metal Temperature
12. Flexible Injection Process
13. Injection Rates
14. Melt Agitation
15. Statistical Process Control
16. Re-Sulphurisation
17. Iron Loss- Granules
18. Emulsification of Iron Droplets
Course content
Learning Outcomes
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Follows standard operating procedures related to molten metal handling, furnace access, and hot material transport.1
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Basic functions of steelmaking units: BF, BOF, EAF, coke ovens, and associated hazards.1
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Supports hazard identification for gas systems, furnaces, or slag handling operations.2
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To support the identification, assessment, and control of process safety risks through the application of engineering principles, risk methodologies, and regulatory knowledge. The role ensures that systems, procedures, and designs meet process safety standards and contribute to safe, reliable, and compliant operations.
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To develop foundational knowledge, skills, and experience in process safety by supporting risk assessments, safety studies, and assurance activities under the supervision of experienced professionals. The role contributes to the identification and control of process safety risks in steelmaking operations while gaining exposure to key systems, tools, and standards that underpin safe, compliant, and efficient high-hazard operations.
Process Safety Graduate
To develop foundational knowledge, skills, and experience in process safety by supporting risk assessments, safety studies, and assurance activities under the supervision of experienced professionals. The role contributes to the identification and control of process safety risks in steelmaking operations while gaining exposure to key systems, tools, and standards that underpin safe, compliant, and efficient high-hazard operations.
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