Method and apparatus for direct reduction ironmaking
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United States of America Patent
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Jan 6, 2015
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Jun 23, 2011
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Jun 25, 2010
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Abstract
An apparatus for producing a reducing gas for direct reduction iron-making includes an internal-heating type reformer for reforming a natural gas by adding steam and oxygen to the natural gas and by partially burning the natural gas to generate reducing gas containing hydrogen and carbon monoxide; a remover for removing carbon dioxide from exhaust gas generated in the direct reduction iron-making; and a line for recycling as the reducing gas the exhaust gas from which the carbon dioxide is removed by the remover.
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