| 21. | The fates of different elements present in ferrous scrap which is melted in an electric arc furnace.
|
| 22. | Producing raw steel from an electric-arc furnace at the Coatesville plant produced 70 % of their slabs.
|
| 23. | The East Plant continues to operate at reduced capacity, processing electric arc furnace dust into zinc calcine.
|
| 24. | He was the inventor of the aluminium electrolysis and developed the first successful commercial electric arc furnace.
|
| 25. | Their factory was one of the first Italian companies to use the electric arc furnaces for steelmaking.
|
| 26. | Ferroalloys are produced generally by two methods : in a blast furnace or in an electric arc furnace.
|
| 27. | The invention of the electric arc furnace probably began when Humphry Davy discovered the carbon arc in 1800.
|
| 28. | The bone-ash process became obsolete when the submerged-arc furnace for phosphorus production was introduced to reduce phosphate rock.
|
| 29. | Virtually all mini-mills employ electric arc furnaces, and mini mills are the fastest-growing part of the steel industry.
|
| 30. | Calcium carbide production requires extremely high temperatures, ~ 2000 �C, necessitating the use of an electric arc furnace.
|
