Abstract
Why are we reversing previous conclusions as to the impracticability of direct reduction? The answers appear to be largely economic: rising scrap costs and the high cost of new capital equipment. Another factor stems from the increasing availability of lower grade ores and the necessity for treating fines; this means higher capital and operating costs associated with the classical blast furnace.
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Cavanagh, P.E. Direct iron ore reduction. JOM 10, 804–809 (1958). https://doi.org/10.1007/BF03398276
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DOI: https://doi.org/10.1007/BF03398276