Master secondary steelmaking: From ladle furnace functions to refining reactions, build expertise in deoxidation, decarburisation, and desulphurisation.
Secondary Steelmaking Operations
Full Code
MAN0106210
Module Type
E-learning
Description
Short description:
Learn how steel composition is refined through deoxidation, decarburisation, and desulphurisation in secondary steelmaking.
Long description:
This module delves into the chemical and thermodynamic processes critical to refining steel composition during secondary steelmaking. Learners will explore three primary operations: Deoxidation, Decarburisation, and Desulphurisation. Through animations and interactive diagrams, the course unpacks how oxygen, carbon, and sulphur levels are controlled using materials like aluminium and calcium-based slags. Emphasis is placed on understanding the underlying scientific principles and equilibrium relationships, including equations for reaction rates and time estimations in industrial settings. This module equips learners with theoretical and practical knowledge to assess, control, and predict steel composition outcomes under various process conditions.
What you will learn
- Outline the methods used in deoxidation and the materials commonly applied to reduce oxygen in molten steel.
- Explain the chemical principles behind decarburisation and calculate the time required using industrial formulas.
- Describe the impact of aluminium and calcium compounds on sulphur removal and the associated reaction mechanisms.
- Analyze equilibrium diagrams (e.g., Al–O and C–O systems) to predict deoxidation and decarburisation outcomes.
- Evaluate process variables (e.g., pressure, stirring rate, bath composition) that affect refining efficiency.
Module content
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