Metallization of Extruded Briquettes (BREX) in Midrex Process [PDF]
Metals, 2017 The results of the full-scale testing of the Extruded Briquettes (BREX) as the charge components of the industrial Midrex reactor are discussed. The influence of the type of binder on the degree of metallization of BREX is analyzed.
Aitber Bizhanov
exaly +4 more sources
A Graphical Tool to Describe the Operating Point of Direct Reduction Shaft Processes
Metals, 2023 This article presents a new graphical tool for direct reduction shaft processes inspired by the Rist diagram developed for blast furnaces. The tool represents gas flows using vectors, with specific consumption and specific oxidation as components to ...
Thibault Quatravaux
doaj +1 more source
Adaptation of the Rist Operating Diagram as a Graphical Tool for the Direct Reduction Shaft
Metals, 2021 The blast-furnace operating diagram proposed by Rist was revised to direct reduction and was specifically applied to the Midrex NGTM process. The use of this graphical tool in the study of an industrial process highlighted the staggered nature of the ...
Thibault Quatravaux +3 more
doaj +1 more source
Computational Analysis of The Performance of Shaft Furnaces with Partial Replacement of The Burden with Self-Reducing Pellets Containing Biomass [PDF]
Materials Research, 2020 The shaft furnace knowed Midrex™ is used for the production of direct reduced iron with the use of reformed gas. Another process based on shaft reactors is the Tecnored process, which exhibits the great advantage of using self-reducing agglomerates ...
Elisa Pinto da Rocha +3 more
doaj +1 more source
Prediction of Solid Conversion Process in Direct Reduction Iron Oxide Using Machine Learning
Energies, 2022 The direct reduction process has been developed and investigated in recent years due to less pollution than other methods. In this work, the first direct reduction iron oxide (DRI) modeling has been developed using artificial neural networks (ANN ...
Masih Hosseinzadeh +3 more
doaj +1 more source
Life Cycle Assessment of the Sponge Iron Production Process Using OpenLCA Software: A Case Study of Khuzestan Steel Plant, Iran [PDF]
تحقیقات نظام سلامت, 2023 Background: Since sponge iron is the main feed of steel furnaces for the production of crude steel, especially in electric arc furnaces, the production of quality sponge iron is one of the concerns of the steel industry.
Maziar Ramezani-Mooziraji +1 more
doaj
C–O–H2 ternary diagram for evaluation of carbon activity in CH4-containing gas mixtures
Journal of Materials Research and Technology, 2021 The C–O–H2 ternary diagram is presented to characterize the carbon activity in equilibrium with gas mixtures containing CH4, CO, CO2, H2O, and H2 at different temperatures and pressures. The three reactions for carbon deposition from CH4, CO, and CO + H2
T.R. Ribeiro +5 more
doaj +1 more source
Energies, 2022 To achieve net-zero iron and steel production by 2050, many iron and steel producers are turning to direct reduced iron (DRI)—electric arc furnace (EAF) steel production as an opportunity to achieve significant CO2 emissions reductions relative to ...
Nicole Bond +2 more
doaj +1 more source
Multistage dilute acid leaching of a medium grade iron ore to super-concentrate [PDF]
Journal of Mining and Metallurgy. Section A: Mining, 2014 The phosphorous laden Koton Karfe iron ore is a medium grade iron ore deposit in Nigeria that can be upgraded as a super-concentrate for use at the Aladja Steel Midrex plant.
Adeleke A.A. +5 more
doaj +1 more source
Production of Negative-Emissions Steel Using a Reducing Gas Derived from DFB Gasification
Energies, 2021 A dual fluidized bed (DFB) gasification process is proposed to produce sustainable reducing gas for the direct reduction (DR) of iron ore. This novel steelmaking route is compared with the established process for DR, which is based on natural gas, and ...
Sébastien Pissot +3 more
doaj +1 more source