Reduction of iron oxides with hydrogen—a review
D Spreitzer, J Schenk - steel research international, 2019 - Wiley Online Library
This review focuses on the reduction of iron oxides using hydrogen as a reducing agent.
Due to increasing requirements from environmental issues, a change of process concepts in …
Due to increasing requirements from environmental issues, a change of process concepts in …
[HTML][HTML] Hierarchical nature of hydrogen-based direct reduction of iron oxides
Fossil-free ironmaking is indispensable for reducing massive anthropogenic CO 2 emissions
in the steel industry. Hydrogen-based direct reduction (HyDR) is among the most attractive …
in the steel industry. Hydrogen-based direct reduction (HyDR) is among the most attractive …
The sticking problem during direct reduction of fine iron ore in the fluidized bed
M Komatina, HW GUDENAU - Metallurgical and Materials …, 2018 - metall-mater-eng.com
In this review paper described are possible chemical reactions and their thermodynamic
analysis during direct reduction. The sticking mechanism during direct reduction in the …
analysis during direct reduction. The sticking mechanism during direct reduction in the …
Reduction of iron oxide in carbon monoxide atmosphere—reaction controlled kinetics
K Mondal, H Lorethova, E Hippo, T Wiltowski… - Fuel Processing …, 2004 - Elsevier
Thermogravimetric analysis (TGA) of the reduction of Fe2O3 in a continuous stream of 100%
CO was conducted at temperatures ranging from 800 to 900° C. X-ray diffraction analysis of …
CO was conducted at temperatures ranging from 800 to 900° C. X-ray diffraction analysis of …
Green Ironmaking at Higher H2 Pressure: Reduction Kinetics and Microstructure Formation During Hydrogen-Based Direct Reduction of Hematite Pellets
Hydrogen-based direct reduction (HyDR) of iron ores has attracted immense attention and is
considered a forerunner technology for sustainable ironmaking. It has a high potential to …
considered a forerunner technology for sustainable ironmaking. It has a high potential to …
The limitations on organic detection in Mars-like soils by thermal volatilization–gas chromatography–MS and their implications for the Viking results
R Navarro-González, KF Navarro… - Proceedings of the …, 2006 - National Acad Sciences
The failure of Viking Lander thermal volatilization (TV)(without or with thermal degradation)–
gas chromatography (GC)–MS experiments to detect organics suggests chemical rather …
gas chromatography (GC)–MS experiments to detect organics suggests chemical rather …
Fundamentals of green steel production: on the role of gas pressure during hydrogen reduction of iron ores
Out of the multitude of researched processing routes for sustainable ironmaking, hydrogen-
based direct reduction and hydrogen plasma smelting reduction (HyPSR) are currently the …
based direct reduction and hydrogen plasma smelting reduction (HyPSR) are currently the …
[HTML][HTML] Hydrogen reduction of iron ore pellets: A surface study using ambient pressure X-ray photoelectron spectroscopy
Abstract Using Ambient Pressure X-ray Photoelectron Spectroscopy (APXPS), this study
investigates the reduction behavior of iron oxides in direct reduction (DRI) and blast furnace …
investigates the reduction behavior of iron oxides in direct reduction (DRI) and blast furnace …
Kinetics analysis of direct reduction of iron ore by hydrogen in fluidized bed based on response surface methodology
J Zhang, S Li, L Wang - International Journal of Hydrogen Energy, 2024 - Elsevier
The present research investigates the efficacy of fluidized bed direct reduction of hematite
ore using H 2 as a metallurgical technology. The study uses response surface methodology …
ore using H 2 as a metallurgical technology. The study uses response surface methodology …
Kinetics of hydrogen reduction of Brazilian hematite in a micro-fluidized bed
Substituting hydrogen utilization for coke consumption is the main research field for the
development of iron and steel manufacturing. Understanding the reaction kinetics of the …
development of iron and steel manufacturing. Understanding the reaction kinetics of the …