Kinetics of iron oxide reduction using CO: Experiments and modeling

2022 ◽  
pp. 134384
Author(s):  
Prakash V. Ponugoti ◽  
Pritesh Garg ◽  
Sanjana N. Geddam ◽  
Samik Nag ◽  
Vinod M. Janardhanan
Keyword(s):  
Iron Oxide ◽  
Oxide Reduction ◽  
Iron Oxide Reduction ◽  
Kinetics Of

scholarly journals The Kinetics of Iron Oxide Reduction by Hydrogen

1962 ◽  
Vol 65 (4) ◽  
pp. 485-489 ◽  
Author(s):  
Mototake Yano ◽  
Akira Moriyama ◽  
Tatsuya Imoto
Keyword(s):  
Iron Oxide ◽  
Oxide Reduction ◽  
Iron Oxide Reduction ◽  
Kinetics Of

Effect of gas composition on the kinetics of iron oxide reduction in a hydrogen production process

2005 ◽  
Vol 30 (15) ◽  
pp. 1543-1554 ◽  
Author(s):  
K PIOTROWSKI ◽  
K MONDAL ◽  
H LORETHOVA ◽  
L STONAWSKI ◽  
T SZYMANSKI ◽  
...  
Keyword(s):  
Iron Oxide ◽  
Hydrogen Production ◽  
Production Process ◽  
Gas Composition ◽  
Oxide Reduction ◽  
Iron Oxide Reduction ◽  
Kinetics Of

Study on Kinetics of Iron Oxide Reduction by Hydrogen

2012 ◽  
Vol 20 (1) ◽  
pp. 10-17 ◽  
Author(s):  
Baolin HOU ◽  
Haiying ZHANG ◽  
Hongzhong LI ◽  
Qingshan ZHU
Keyword(s):  
Iron Oxide ◽  
Oxide Reduction ◽  
Iron Oxide Reduction ◽  
Kinetics Of

Kinetics of iron oxide reduction in molten slag

2001 ◽  
Vol 30 (1) ◽  
pp. 14-20 ◽  
Author(s):  
A. K. Jouhari ◽  
R. K. Galgali ◽  
P. Chattopadhyay ◽  
R. C. Gupta ◽  
H. S. Ray
Keyword(s):  
Iron Oxide ◽  
Molten Slag ◽  
Oxide Reduction ◽  
Iron Oxide Reduction ◽  
Kinetics Of

A study on the kinetics of iron oxide reduction by solid carbon

1993 ◽  
Vol 64 (7) ◽  
pp. 340-345 ◽  
Author(s):  
Debajyoti Bandyopadhyay ◽  
Nirupam Chakraborti ◽  
Ahindra Ghosh
Keyword(s):  
Iron Oxide ◽  
Solid Carbon ◽  
Oxide Reduction ◽  
Iron Oxide Reduction ◽  
Kinetics Of

Steam-iron process: Influence of steam on the kinetics of iron oxide reduction

2011 ◽  
Vol 36 (21) ◽  
pp. 13425-13434 ◽  
Author(s):  
Esther Lorente ◽  
Javier Herguido ◽  
Jose Angel Peña
Keyword(s):  
Iron Oxide ◽  
Oxide Reduction ◽  
Iron Oxide Reduction ◽  
Kinetics Of

scholarly journals Mechanochemical Activation Effect on Technogenic Iron Oxide Reduction Kinetics

Materials ◽  
2022 ◽  
Vol 15 (1) ◽  
pp. 320
Author(s):  
Oleg Sheshukov ◽  
Mikhail Mikheenkov ◽  
Larisa Vedmid ◽  
Denis Egiazaryan
Keyword(s):  
Iron Oxide ◽  
Reaction Kinetics ◽  
Iron Oxides ◽  
Mechanochemical Activation ◽  
Solid Phase ◽  
Experimental Studies ◽  
High Rate ◽  
Oxide Reduction ◽  
Iron Oxide Reduction ◽  
Kinetics Of

Understanding the reaction kinetics of iron oxide reduction by carbon is a key task of the theory of metallurgical processes. One of the understudied features of the reaction kinetics of iron oxide solid-phase reduction by carbon is the discrepancy between the reacting substances’ small contact area and the process’s high rate. A convincing theoretical and experimental explanation of this effect has not yet been obtained. The data obtained earlier show that an increase in the scale of the briquetting pressure from 0 to 300 MPa increases the degree of its metallization during heating two-fold, and the metallization temperature decreases by more than 40 °C. Therefore, it was assumed that these effects during heating are a consequence of the mechanochemical activation (MCA) of iron oxides in the scale during its pressing. This paper presents the results of experimental studies on the influence of two types of scale MCA (grinding and pressing) on iron oxide reduction. The study of the MCA effect on the reaction kinetics of scale iron oxide reduction by carbon is a promising way to assess the criteria for scale phase composition changes under external factors. The presented results indicate a decrease in the amount of trivalent iron oxide (Fe2O3) after the MCA and an increase in the amount of one-and-a-half oxide (Fe3O4) and bivalent iron oxide (FeO). The obtained experimental data show that the initial stage of iron oxide reduction, consisting in the transition from higher iron oxides to lower ones, is possible at room temperature without carbon presence.

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