Method and system for producing direct reduced iron and/or hot metal using brown coal
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United States of America Patent
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Apr 7, 2015
Grant Date -
Jun 21, 2012
app pub date -
Dec 14, 2011
filing date -
Dec 15, 2010
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Abstract
The present invention provides a method for producing direct reduced iron and/or hot metal using high-moisture content carbonaceous material, including: agglomerating carbonaceous material from the high-moisture content carbonaceous material with a metal oxide-bearing material to form an agglomerate suitable for use in a direct reduction and/or hot metal producing process. The method also includes distilling the high-moisture content carbonaceous material. The method further includes dry quenching the carbonaceous material obtained from the distilling step. The method still further includes drying the high-moisture content carbonaceous material with energy from a hot off gas from a furnace for producing direct reduced iron and/or hot metal prior to the distilling step.
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