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Conference Proceedings

ICARISM '99 Conference, Perth, WA, September 1999

Conference Proceedings

ICARISM '99 Conference, Perth, WA, September 1999

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Role of Raw Materials in Various Methods of Iron Production

Raw materials account for over 60 per cent of the cost of hot metal production in classical blast furnaces and the principal cost component is cost of coke. Dependence on coke is a traditional weakness of blast furnace ironmaking and while efforts have been made to evolve alternative ironmaking technologies which do not use coke, such as direct reduction, smelting reduction, and the more recent method of making iron carbide, blast furnaces continue to be the most efficient means of producing bulk hot metal even today. Coal injection, to the extent of 150 - 200 kg/t of hot metal, has been one of the major innovations made in blast furnaces to decrease cost and to reduce the dependence on coke._x000D_
This has, however, given rise to more stringent coke property requirements (which often means more expensive coke) - a `tail spin' of Sorts!
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  • Published: 1999
  • PDF Size: 6.67 Mb.
  • Unique ID: P199903030

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