DOI: 10.52150/2522-9117-2024-38-103-119
Nesterov Oleksandr Stanislavovych, Ph. D. (Tech.), Senior Researcher, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, 49107, Ukraine. ORCID: 0000-0002-0183-0327. E-mail: asn.dnepr@gmail.com
Harmash Larysa Ivanivna, Ph. D. (Tech.), Senior Researcher, Division of cast iron, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, 49107, Ukraine. ORCID: 0000-0002-6873-6685. E-mail: larysagar@gmail.com
Muravyova Iryna Hennadiivna, D. Sc. (Tech.), Senior Researcher, Leading Researcher, Division of cast iron, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, 49107, Ukraine. ORCID: 0000-0001-5926-7787. E-mail: irinamuravyova@gmail.com
Chaika Oleksii Leonidovych, Ph. D. (Tech.), Senior Researcher, Head of the Laboratory of Heat and energy saving technologies, Division of cast iron, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, 49107, Ukraine. ORCID: 0000-0003-1678-2580. E-mail: chaykadp@gmail.com
Lopatenko Kostiantyn Petrovych, Researcher, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, 49107, Ukraine. E-mail: lopkonst@gmail.com
Boldenko Mykhailo Hryhorovych, Junior Researcher, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, 49107, Ukraine
INFLUENCE OF HYDROGEN ON REDUCTION PROCESSES IN A BLAST FURNACE
Abstract. The development and implementation of new low-carbon technologies is an urgent strategic task for the ferrous metallurgy. The use of hydrogen instead of carbon as a reducing agent in blast furnace processes is a promising way to significantly reduce harmful emissions, but the efficient use of hydrogen requires an in-depth study of the influence of various factors (temperature, chemical composition, porosity, reduction time, etc.) on the reduction processes. Despite a large number of studies, there is still no unambiguous and generally accepted theory that would generalize all the patterns of hydrogen reduction processes in a blast furnace, and the results of studies which were conducted under various conditions are quite contradictory. To determine the prospects and problems of using hydrogen-containing gases in Ukrainian metallurgical plants, it is necessary to study the reduction behavior of various types of raw materials characteristic of Ukrainian realities. A number of studies of the effect of hydrogen on reduction processes in a blast furnace for different types of iron ore raw materials of Ukrainian production were conducted in the laboratory conditions of the ISI. The reduction processes were modeled on the laboratory equipment of the ISI using various mixtures of reducing gases close to industrial conditions. The effect of hydrogen content, heating rate and gas feed rate on the mass loss of the samples was studied and then the reduction index R was calculated. It was determined that an increase of the hydrogen content in the reducing gas mixture in the temperature range of 900-1000 °C is accompanied by an improvement in reduction for various charge materials, but the reduction behavior of the sinter and pellets differs significantly for different ranges of hydrogen content in the gas mixture and different feed rates. Analysis of the experimental data allowed to determine the most effective ranges of hydrogen content in the reducing gas for these conditions. The results obtained confirm the effectiveness of using hydrogen as a reducing agent in the conditions of Ukrainian blast furnace, and the obtained patterns and conclusions can be used to improve technologies that facilitate the production of environmentally friendly steel.
Key words: decarbonization, reduction processes, hydrogen, iron ore raw materials, reducibility.
DOI: https://doi.org/10.52150/2522-9117-2024-38-103-119
For citation: Nesterov, O. S., Harmash, L. I., Muravyova, I. H., Chaika, O. L., Lopatenko, K. P., & Boldenko, M. H. (2024). Influence of hydrogen on reduction processes in a blast furnace. Fundamental and applied problems of ferrous metallurgy, 38, 103-119. https://doi.org/10.52150/2522-9117-2024-38-103-119
References
- https://unfccc.int/resource/docs/2015/cop21/eng/l09r01.pdf
- Nyankson, E., & Kolbeinsen L. (2015). Kinetics of Direct Iron Ore Reduction with CO-H2 Gas Mixtures. International Journal Of Engineering Research & Technology (IJERT), 4(4). http://dx.doi.org/10.17577/IJERTV4IS040955
- Spreitzer, D., & Schenk, J. (2019). Iron Ore Reduction by Hydrogen Using a Laboratory Scale Fluidized Bed Reactor: Kinetic Investigation-Experimental Setup and Method for Determination. Metall Mater Trans., 50(5). https://doi.org/10.1007/s11663-019-01650-9
- Lin, H. Y., Chen, Y. W., & Li, C. (2003). The Mechanism of Reduction of Iron Oxide by Hydrogen. Thermochim Acta, 400(1-2), 61-67. https://doi.org/10.1016/S0040-6031(02)00478-1
- Kamura, H. (1932). Properties of Iron Made by the Process of Hydrogen Reduction. Journal of Electrochemical Society, 62(1), 283-296
- Qie, Y., Lyu, Q., Li, J. et al. (2017). Effect of Hydrogen Addition on Reduction Kinetics of Iron Oxides in Gas-injection BF. ISIJ Int., 57, 404. https://doi.org/10.2355/isijinternational.ISIJINT-2016-356
- Barde, A. A., Klausner, J. F., & Mei, R. (2016). Solid State Reaction Kinetics of Iron Oxide Reduction Using Hydrogen as a Reducing Agent. Int. J. Hydrogen Energy, 41, 10103-10119. https://doi.org/10.1016/j.ijhydene.2015.12.129
- Patisson, F., & Mirgaux, O. (2020). Hydrogen Ironmaking: How it Works. Metals, 10, 922. https://doi.org/10.3390/met10070922
- Heidari, A., Niknahad, N., Iljana, M. et al. (2021). Review on the Kinetics of Iron Ore Reduction by Hydrogen. Materials, 14, 7540. https://doi.org/10.3390/ma14247540
- Fruehan, R. J., Li, Y., Brabie, L., & Kim, E. J. (2005). Final Stage of Reduction of Iron Ores by Hydrogen. Scand. J. Metall, 34, 205-212. https://doi.org/10.1111/j.1600-0692.2005.00722
- Zuo, H.B., Wang, C., Dong, J.J. et al. (2015). Reduction Kinetics of Iron Oxide Pellets with H2 and CO Mixtures. Miner. Metall. Mater, 22, 688-696. https://doi.org/10.1007/s12613-015-1123-x
- Biswas K. (1981). Principles of Blast Furnace Ironmaking: Theory and Practice. Cootha Publishing House, Brisbane
- Yi, L., Huang, Z., Peng, H. et al. (2012). Action Rules of H2 and CO in Gas-Based Direct Reduction of Iron Ore Pellets. Cent. South. Univ., 19, 2291-2296. https://doi.org/10.1007/s11771-012-1274-0
- Barde, A. A., Klausner, J. F., & Mei, R. (2016). Solid State Reaction Kinetics of Iron Oxide Reduction Using Hydrogen as a Reducing Agent. Int. J. Hydrogen Energy. 2016, 41, 10103-10119. https://doi.org/10.1016/j.ijhydene. 2015.12.129
- McKewan, W. M. (1960). Kinetics of Iron Oxide Reduction. Trans. Am. Inst. Min. Metall. Eng., 218, 2-6
- Hammam, A., Li, Y., Nie1, H. et al. (2020). Isothermal and Non-Isothermal Reduction Behaviors of Iron Ore Compacts in Pure Hydrogen Atmosphere and Kinetic Analysis. Mining, Metallurgy & Exploration. https://doi.org/10.1007/s42461-020-00317-318
- Pineau, A., Kanari, N., & Gaballah, I. (2006). Kinetics of Reduction of Iron Oxides by H2: Part I: Low Temperature Reduction of Hematite. Thermochimica Acta, 447(1), 89-100. https://doi.org/10.1016/j.tca.2005.10.004
- Pineau, A., Kanari, N., & Gaballah, I. (2007). Kinetics of Reduction of Iron Oxides by H2: Part II. Low Temperature Reduction of Magnetite. Thermochimica Acta, 456(2), 75-88. https://doi.org/10.1016/j.tca.2007.01.014
- Kuila, S. K., Chatterjee, R., & Ghosh, D. (2016). Kinetics of Hydrogen Reduction of Magnetite Ore Fines. International Journal of Hydrogen Energy, 41(22), 9256-9266. https://doi.org/10.1016/j.ijhydene.2016.04.075
- Ohmi, M., Usui, T., Naito, M. et al. (1981). Experimental Study of the Resistance duo to the Rate of Gas Flow on the Hydrogen Reduction of an Iron Oxide Pellet. Tetsu-to-Hangane, 67, 1943-1951
- Tsay, Q. T., Ray, W. H., & Szekely, J. (1976). The Modeling of Hematite Reduction with Hydrogen Plus Carbon Monoxide Mixtures: Part II. The Direct Reduction Process in a Shaft Furnace Arrangement. AIChE J., 22, 1072-1079. https://doi.org/10.1002/aic.690220617
- El-Geassy, A. A. (1999). Influence of Doping with CaO and/or MgO on Stepwise Reduction of Pure Hematite Compacts. Ironmak Steelmak, 26, 41-52. https://doi.org/10.1179/irs.1999.26.1.41
- Mohanty, M. K., Mishra, S., Mishra, B. et al. (2018). Effect of Basicity on the Reduction Behavior of Iron Ore Pellets. Arabian Journal for Science and Engineering. https://doi.org/10.1007/s13369-018-3107-4
- Rau, M. F., Rieck, D., & Evans, J. W. (1987). Investigation of Iron Oxide Reduction by TEM. Metall. Trans. B, 18, 257-278. https://doi.org/10.1007/BF02658451
- Bogdandy, V. L., Schulz, H. P., Wiirzner, B. et al. (1963). Der Mechanismus der Reduktion von porigen Eisenerzen durch Wasserstoff. Arch. Eisenhuttenwes, 34, 401-409
- El-Geassy, A. H. (2017). Rate Controlling Step in the Reduction of Iron Oxides, Kinetics and Mechanism of Wustite-Iron Step in H2, CO and H2/CO Gas Mixtures. IOP Conf. Ser. Mater. Sci. Eng., 229, 1-10. https://doi.org/10.1088/1757-899X/229/1/012002
- Zhou, M., Ai, L., Hong, L. et al. (2023). Comparison of Microstructures of Magnetite Reduced by H2 and CO under Microwave Field. Metals, 13, 1367. https://doi.org/10.3390/met13081367
- Kim, S.-H., Zhang, X., Maa, Y. et al. (2012). Influence of Microstructure and Atomic-Scale Chemistry on the Direct Reduction of Iron Ore with Hydrogen at 700 °C. Acta Materialia, 212. https://doi.org/10.1016/j.actamat.2021.116933
- Heikkilä, A., Iljana, M., Bartusch, H. et al. (2020). Reduction of Iron Ore Pellets, Sinter, and Lump Ore under Simulated Blast Furnace Conditions. Steel Res. Int., 91, 2000047. https://doi.org/10.1002/srin.202000047
- Murakami, T., Wakabayashi, H., Maruoka, D. et al. (2020). Effect of Hydrogen Concentration in Reducing Gas on the Changes in Mineral Phases during Reduction of Iron Ore Sinter. ISIJ International, 60(12), 2678-2685 https://doi.org/10.2355/isijinternational.ISIJINT-2020-180
- Ranzani da Costa, A., Wagner, D. et al (2013). Modelling a New, Low CO2 Emissions, Hydrogen Steelmaking Process. J. Clean. Prod., 46, 27-35. https://doi.org/10.1016/j.jclepro.2012.07.045
