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How does the MIDREX technology compare to other iron ore reduction technologies?

Direct reduced iron

Mineral processing

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The MIDREX technology is a gas-based direct reduced iron (DRI) process used in steel industries. It includes reduction, transition, and cooling zones . The technology has been continuously developed over the past 30 years and is considered to be on the leading edge of alternative ironmaking . In terms of CO2 emissions, the potential of using direct reduced iron from the Midrex process as a partial substitute for pellets in a blast furnace has been studied. The results show that integrating the shaft furnace in a steel plant can be economically feasible and can contribute to reducing overall CO2 emissions . However, when comparing the CO2 emissions of the COREX and blast furnace iron-making systems, it is found that COREX contributes little to CO2 emission reduction and has higher direct CO2 emissions compared to the conventional blast furnace system .

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Journal Article•DOI Comparison of CO2 emission between COREX and blast furnace iron-making system. Chang-qing Hu, Xiao-Wei Han, Zhihong Li, Chun-xia Zhang - Show less +3 more 01 Jan 2009-Journal of Environmental Sciences-china 30 Citations	The provided paper does not mention the MIDREX technology or compare it to other iron ore reduction technologies.
Patent Mineral processing technology for processing iron ore Guanglu Wei, Yandong Hu, Zhou Jun, Wen Tang, Xiaoliang Wang, Fengchang Li - Show less +5 more 13 Jun 2012 3 Citations	The provided paper does not mention the MIDREX technology or compare it to other iron ore reduction technologies.
Open access•Journal Article Breakthrough Direct Reduction technologies for the new millennium G. D. Hughes, G. E. Metius, S. C. Montague - Show less +2 more 01 Jan 2001-Iron and Steelmaker 2 Citations	The paper does not provide information on how the MIDREX technology compares to other iron ore reduction technologies.
Journal Article•DOI Modeling and Simulation of the MIDREX Shaft Furnace: Reduction, Transition and Cooling Zones Alireza Shams, Faegheh Moazeni - Show less +1 more 21 Aug 2015-JOM 33 Citations	The provided paper does not compare the MIDREX technology to other iron ore reduction technologies.
Journal Article•DOI Optimization of Midrex Direct Reduced Iron Use in Ore‐Based Steelmaking Kaisa Huitu, Mikko Helle, Hannu Helle, Marko Kekkonen, Henrik Saxén - Show less +4 more 01 May 2015-Steel Research International 18 Citations	The paper does not provide a direct comparison of MIDREX technology with other iron ore reduction technologies.

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