Test method for the laboratory evaluation of iron burdens for gaseous direct reduction process

current practice and recommendations for future standards

J. K. Wright*, A. L. Morrison

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

The current trend in steelmaking which sees an increasing move towards steel production via the directly reduced iron (DRI)/electric arc furnace route, has encouraged both suppliers and consumers of DRI to re-examine the properties of both the DRI and the iron oxides from which it is produced. This paper surveys the methods currently being used to assess the suitability of iron ores and pellets for use in particular direct reduction (DR) processes. Evaluations are made of the DR test methods used by some 12 organizations. Based on this evaluation, a series of generalized test methods involving the measurement of reducibility, reduction properties, sticking characteristics and reduction strength of DR pellet burdens is recommended.

Original languageEnglish
Pages (from-to)13-29
Number of pages17
JournalSEAISI Quarterly (South East Asia Iron and Steel Institute)
Volume13
Issue number1
Publication statusPublished - Jan 1984
Externally publishedYes

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