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- Optimized Injection of Carbon Into Slags
- Scrap Melting in EAF's
- Comprehensive Ladle Control
- Kinetics in Slag-Metal Emulsions
- Optimum Alloy Recovery in Ladle Metallurgy
Areas of Specialization:
- Blast Furnace Ironmaking:
The blast furnace is an efficient unit that will continue to play
an important role in ironmaking. Professor W.-K. Lus work on the blast furnaces were known and he is actively developing alternatives.
- Alternative Ironmaking:
Other technologies that avoid the capital and environmental costs
of blast furnaces are under development. The Centres members have contributed to the
design of smelting reduction processes, and are well positioned to do more. Professor
Lus recent work on coal-ore composite reduction suggests potential for significant
evolution towards theoretical minimum carbon rates.
- Waste Treatment:
Disposal costs for iron and steelmaking wastes, oxide dust and
sludge, penalize current processes. Smelting reduction or rotary-hearth furnaces may be
developed to consume these by-products.
- Oxygen & Secondary Steelmaking:
Vacuum degassing and ladle injection treatments are increasingly
applied to improve both quality and output. Degassing kinetics may be improved and ways to
lower the residual content of steels are possible. Work recently completed at McMaster has
developed inclusion engineering methods for high-speed machining steels and tire cord.
- Electric Furnace Steelmaking:
EAF efficiency can be improved via process modeling which combines
fluid flow, heat transfer, chemical reactions, and electric energy distribution in a
comprehensive way. There is significant potential for the EAF to evolve as a chemical
reactor with oxygen injection, post-combustion and new slag practices
Frank Huang Performing a Direct Reduction Experiment
Owen Kelly Melting Iron for a Steelmaking Experiment
in the 200lb. Air Melt Furnace