Direct reduced iron manufacturing system
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United States of America Patent
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Jan 31, 2017
Grant Date -
Sep 11, 2014
app pub date -
Nov 16, 2012
filing date -
Nov 17, 2011
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Abstract
Included are: a direct reduction furnace for reducing iron ore directly into reduced iron using a high-temperature reducing gas including hydrogen and carbon monoxide, an acid gas removal unit having an acid gas component absorber for removing, with an absorbent such as an amine-based solvent, acid gas components (CO2, H2S) in a reduction furnace flue gas discharged from the direct reduction furnace, and a regenerator for releasing the acid gas, and a degradation product removal unit for separating and removing a degradation product in the absorbent used by circulating through the absorber and the regenerator.
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