Chapter+1+-+Iron+and+Steel+making

Chapter 1 - Iron and Steel making

-** Iron Ore, Coal and Limestone are the main three materials used to make iron.
 * 1) What are the main three raw materials used to make iron?

The raw materials come from China, Japan, Karue, the United States and the European Union, they are transported by ships.
 * 2) Where do raw materials come from and how are they transported to the plant?**

Before the raw materials are used in the blast furnace, they first get rid of the oxygen.
 * 3) How and why are the raw materials processed before they are usd in the blast furnace?**

Much is said nowadays about the concequences of human activity for the environment: Large quantities of air blast in the bottem of the furnace, and the calcium in the lmestone combines with the silicates to form slag.
 * 4) What role does each of these raw materials play in the iron-making process?**

Because the raw materials have to be transported such large distances, it will put alot of pollution into the air.
 * 5) What can you say about the ecological effects of using these raw materials (for the country where they come from and for the means of transportation)?**

The bad side effects can be reduced by transporting the raw materials less often and using machines that are efficient enough to power the ships but cause less pollution. The companies could also not transport the materials and make everything in the country they were quarred in.
 * 6) How can the bad side effects be reduced?**

The raw material scrap is used because it reduces energy and atmospheric pollution by up to 74%.
 * 7) Why is scrap used?**

An advantage of using scrap in steelmaking is the temperature is reduced causing less damage to the environment A disadvantage of using scrap is its comparatively low metal content, is its comparatively high content of slag formers of slagging components.
 * 8) What are the advantages and disadvantages of using scrap in the steel making process?**

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