Thermodynamic Modeling of Iron Ore Reduction Using Synthesis Gas

Abstract:

The paper presents the results of an investigation into the reduction processes of iron ore titanomagnetite pellets using synthesis gas. The thermodynamic modelling was carried out using the TERRA software package. Synthesis gas is a mixture of carbon monoxide (CO) and hydrogen (H₂), as well as other gases such as CO₂ and N₂. It is primarily used in the production of liquid fuels and chemical products, and is produced through the initial conversion of natural gas and coal fuel. The TERRA software package was used to model and predict chemical and phase transformations in pellets during reduction. The model takes into account the influence of temperature, hydrogen concentration, and other parameters on the reduction kinetics. Calculations were carried out with different gas mixtures and conditions to evaluate the model's effectiveness. The thermodynamic model constructed corresponds to the literature and calculated data and can be used to optimize the reduction process under various production conditions.

• Periodical: Defect and Diffusion Forum (Volume 439)
• Pages: 93-101
• DOI: https://doi.org/10.4028/p-u1x3hO
• Online since: February 2025
• Authors: Andrey N. Dmitriev*, Nikolay M. Barbin, Yulia E. Burova, Galina Yu. Vitkina
• Keywords: Hydrogen, Iron Ore Pellets, Phase Composition, Reducing, Synthesis Gas, System, Thermodynamic Modelling

References

[1] S.V. Digonsky, V.V. Ten, Unknown hydrogen: the role of hydrogen in polymorphism of solids, processes of solid-phase reduction of oxides and sintering of powders, St. Petersburg: Nauka (2006), 292.

[2] O.N. Morozova, A.A. Pavlenko, S.S. Titov, Methods of hydrogen production, Yuzhno-Sibirskiy nauchny vestnik. 4 (29) (2019) 188-194.

[3] N.L. Solodova, R.R. Minigulov, E.A. Emelyanycheva, Hydrogen as a promising energy carrier. Modern methods of hydrogen production, Bulletin of Kazan Technological University. 18 (3) (2015) 137-140.

[4] Y.L. Ershov, A.G. Shakurov, V.M. Parshin, A.G. Kolesnikov, A.Yu. Shishov, Hydrogen era in domestic metallurgy. Message 1, Steel. 11 (2011) 50-55.

DOI: 10.3103/s0967091221110048

[5] Y.L. Ershov, A.G. Shakurov, V.M. Parshin, A.G. Kolesnikov, A.Yu. Shishov, Hydrogen era in domestic metallurgy. Message 2, Steel. 12 (2021) 48-56.

DOI: 10.3103/s0967091221110048

[6] Gas in metal production, https://stal-kom.ru/gaz-pri-proizvodstve-metalla, 08.11.2023.

[7] Germany launched the first production of steel on hydrogen, https://gmk.center/news/v-germanii-zapustili-pervoe-proizvodstvo-stali-na-vodorode, 18.05.2024.

[8] H. Suopajärvi, E. Pongrácz, T. Fabritius, Bioreducer use in Finnish blast furnace ironmaking – Analysis of CO2 emission reduction potential and mitigation cost, Applied Energy. 124 (2014) 82-93.

DOI: 10.1016/j.apenergy.2014.03.008

[9] Y. Liu, Ya. Shen, Modelling and optimization of biomass injection in ironmaking blast furnaces, Progress in Energy and Combustion Science. 87 (2021) 100952.

DOI: 10.1016/j.pecs.2021.100952

[10] S. Luo, Ya. Zhou, Ch. Yi, Hydrogen-rich gas production from biomass catalytic gasification using hot blast furnace slag as heat carrier and catalyst in moving-bed reactor, International journal of hydrogen energy. 37 (2012) 15081-15085.

DOI: 10.1016/j.ijhydene.2012.07.105

[11] H. Xie, R. Li, Zh. Wang, X. Yao, Q. Yu, Hydrogen production of bio-oil steam reforming combining heat recovery of blast furnace slag: Thermodynamic analysis, International journal of hydrogen energy. 44 (2019) 25514-25523.

DOI: 10.1016/j.ijhydene.2019.08.014

[12] C. Feliciano-Bruzual, Charcoal injection in blast furnaces (Bio-PCI): CO2 reduction potential and economic prospects, Journal of materials research and technology. 3(3) (2014) 233-243.

DOI: 10.1016/j.jmrt.2014.06.001

[13] V.K. Afanasiev, S.N. Gorlova, E.V. Kuznetsova, A.V. Sochnev, G.I. Efanov, V.N. Tolstoguzov, B.A. Kuskov, On the role of hydrogen in the blast furnace process of pig iron, Metal processing: technology, equipment, tools. 4 (25) (2004) 15-18.

[14] S.P. Rogozhnikov, I.S. Rogozhnikov, Determination of hydrogen utilisation degree in blast furnace, Ferrous metallurgy. Bulletin of scientific, technical and economic information. 10(75) (2020) 1129-1134.

DOI: 10.32339/0135-5910-2019-10-1129-1134

[15] M.S. Yalunin, G.Yu. Vitkina, A.N. Dmitriev, M.O. Zolotykh, R.V. Alektorov, Assessment of the influence of reducing gas with increased hydrogen fraction on the efficiency of blast furnace melting, Proceedings of X All-Russian Scientific-Practical Conference of Students, Postgraduate Students and Young Scientists "Thermal Engineering and Informatics in Education, Science and Production" with international participation". 2022, 185-190.

[16] L.N. Shevelev, Estimation of economic, energy and ecological efficiency of pig iron and steel production from ore-coal briquettes in electric steelmaking unit with the use of hydrogen fuel, Ferrous metallurgy. Bulletin of scientific, technical and economic information, 8(77), (2021) 918-924.

DOI: 10.32339/0135-5910-2021-8-918-924

[17] N.A. Vatolin, G.K. Moiseev, B.G. Trusov, Thermodynamic modelling in high-temperature inorganic systems, Moscow: Metallurgy (1994) 352.

[18] I.A. Rybenko, E.V. Protopopov, Thermodynamic modelling of iron reduction processes // Izvestia of higher educational institutions. V. Thermodynamic modelling of iron reduction processes, Izvestiya vuzov. Chernaya metallurgiya. 11(64) (2021) 825-831.

DOI: 10.17073/0368-0797-2021-11-825-831