sustainability of Fe and steel Flashcards
1
Q
What are the main producers of steel?
A
Australia, Brazil, China
2
Q
Can steel be recycled and how?
A
Steel can be recycled easily in EAF.
The scrap contains impurities, removed by blowing oxygen over the molten scrap.
3
Q
Environmental impact of steel?
A
Steel is a large CO2 industry.
Slag production in BOF.
4
Q
Can steel me replaced? (Open question)
A
steel is essential in modern day, although it is least sustainable.
5
Q
Can the slag be reused?
A
The slag is reused to make cement, used in buildings and roads. Lime is used in soil conditioning.