This work is licensed under the Creative Commons Attribution 4.0 International License.
Edström, J.O. (1953). The mechanism of reduction of iron oxides. J. Iron Steel Inst. 175, 289–304.Search in Google Scholar
Moon, J.T. & Walker, K.D. (1975). Swelling of iron oxide compacts during reduction. Ironmaking & Steelmaking, 1, 30–35.Search in Google Scholar
Spreitzer, D. & Schenk, J. (2019). Reduction of Iron Oxides with Hydrogen—A Review. Res. Internat. 20(10), 1900108. DOI: 10.1002/srin.201900108.Search in Google Scholar
Srinivisan, N.S. & Lahiri, A.K. (1977). Studies on the reduction of hematite by carbon. Metal. Trans. B. 8, 175. DOI: 10.1007/BF02656367.Search in Google Scholar
Bryk, C. & Lv, W.K. (1986). Continuous Reduction of iron ore with coal in an electrically heated furnace. The Canadian J. Mater. Sci. 25(3), 241–246. DOI: 10.1179/cmq.1986.25.3.241.Search in Google Scholar
Haque, R., Ray, H.S. & Mukherjee, A. (1993). Reduction of iron ore fines by coal fines in a packed bed and fluidized bed apparatus — A comparative study. Metall. Mater Trans B. 24, 1993, 511–520. DOI: 10.1007/BF02666434.Search in Google Scholar
Morrison, A.L., Wright, J.K. & Bouling, K. McG. (1978). Microstructure of metallized iron ore pellets reduced by coal char in a rotary kiln simulator. Ironmaking & Steelmaking, 5(1), 39–44.Search in Google Scholar
El-Geassy, A.A. & Nasr, M.I. (1990). Effect of sintering on the structure of hematite and its behaviour during reduction. Canadian Metallurgical Quarterly, 29(3), 185–191. DOI: 10.1179/cmq.1990.29.3.185.Search in Google Scholar
Davis, C.G., McFarlin, J.F. & Pratt, H.R. Direct-reduction technology and economics. (1982). Ironmaking & Steelmaking, 9(3), 93–129.Search in Google Scholar
Unal, A. & Bradshow, A.V. (1983). Rate processes and structural changes in gaseous reduction of hematite particles to magnetite. Metall. Trans. 14, 743–752.Search in Google Scholar
Abdel Halim, K.S.Nasr, M.I. & El-Geassy, A.A. (2011). Developed model for reduction mechanism of iron ore pellets under load. Ironmaking & Steelmaking, 38, 189–196. DOI: 10.1179/030192310X12816231892305.Search in Google Scholar
El-Geassy, A.A., Nasr, M.I., El-Raghy, S.M. & Hammam, A.E. (2020). Comparative studies on isothermal and non-isothermal reduction of hematite in carbon monoxide atmosphere. Ironmaking & Steelmaking, 47, 948–957. DOI: 10.1080/03019233.2019.1646564.Search in Google Scholar
Bahgat, M., Abdel Halim, K.S., El-Kelesh, H.A. & Nasr, M.I. (2011).Behaviour of wüstite prepared from Baharia iron ore sinter during reduction with CO–CO2–N2 gas mixture. Mineral Processing and Extractive Metallurgy (Trans. Inst. Min. Metal. C). 120(2), 102. DOI: 10.1179/1743285510Y.0000000010.Search in Google Scholar
El-Geassy, A.A. & Rajaumar, V. (1985) Influence of particle size on the gaseous reduction of wüstite at 900–1100 oC. Trans. ISIJ, 25, 1022.Search in Google Scholar
Shehata, K.A. & Ezz, S.Y. (1973). Study of the last stages or reduction of iron oxides. Trans. IMM, 82 C, 638.Search in Google Scholar
El-Geassy, A.A., Nasr, M.I. & Omar, A.A. (1990). The fourteen congress IMM, 2-6 July (pp 29). London, UK.Search in Google Scholar
El-Geassy, A.A. (1986). Gaseous reduction of Fe2O3 compacts at 600–1050 oC. J. Mat. Sci. 21, 3889–3900. DOI: 10.1007/BF02431626.Search in Google Scholar
Nasr, M.I. (1985). Structural analysis in gas solid reaction. Ph. D. Thesis, Cairo University, Egypt.Search in Google Scholar
Hessien, M., Kashiwaya, Y., K. Ishii, K., Nasr, M.I. & El-Geassy, A.A. (2008). Characterization of iron ore sinter and its behaviour during non-isothermal reduction conditions. Ironmaking & Steelmaking, 35(3), 183–190. DOI: 10.1179/174328107X174663.Search in Google Scholar
El-Geassy, A.A., Shehata, K.A. & Ezz, S.Y. (1977). Mechanism of iron oxide reduction with hydrogen/carbon monoxide mixtures. J. Iron-Steel Inst. 17(11), 629–635. DOI: 10.2355/isijinternational1966.17.629.Search in Google Scholar
Turkdogan, E.T. & Vinters, J.V. (1974). Catalytic effect of iron on decomposition of carbon monoxide: I. carbon deposition in H2-CO Mixtures. Metal Trans B. 5, 11–19. DOI: 10.1007/BF02642919.Search in Google Scholar
Okura, A. & Metsuahita, Y. (1965). On the properties of reduced sponge-iron powders. Testu-To-Hagane, 51, 11. DOI: 10.2355/tetsutohagane1955.51.1_11.Search in Google Scholar
Towhidi, N. & Szekely, J. (1980). An experimental study of hematite reduction with CO+H2 mixtures over the temperature range 600–1300 o C. J. Metals. 32(12), 420.Search in Google Scholar
Wang, H. & Sohn, H.Y. (2012). Effects of Reducing Gas on Swelling and Iron Whisker Formation during the Reduction of Iron Oxide Compact. Steel Res. Int. 83(9999), 1-7. DOI: 10.1002/srin.201200054.Search in Google Scholar
P. Cavaliere, P., Perrone, A. & Marsano, D. (2023). Effect of reducing atmosphere on the direct reduction of iron oxides pellets. Powder Technol. 426 (118650). DOI: 10.1016/j. powtec.2023.118650.Search in Google Scholar
Sato, K.. Ueda, Y., Nishikawa, Y. & Goto, T. (1986). Effect of Pressure on Reduction Rate of Iron Ore with High Pressure Fluidized Bed. J. Iron-Steel Inst. 26(8), 697. DOI: 10.2355/isijinternational1966.26.697.Search in Google Scholar
Turkdogan, E.T. & Vinters, J.V. (1971). Gaseous reduction of iron oxides. 1. Reduction of hematite in hydrogen. Met. Trans. 2(11), 3175–3188.Search in Google Scholar
Turkdogan, E.T. & Vinters, J.V. (1972). Gaseous reduction of iron oxides: Part III. Reduction-oxidation of porous and dense iron oxides and iron. Met. Trans. 3, 1561–1574. DOI: 10.1007/BF02643047.Search in Google Scholar
El-Geassy, A.A. & Nasr, M.I. (1990). Influence of the original structure on the kinetics and mechanisms of carbon monoxide reduction of hematite compacts. J. Iron-Steel Inst. 30(6), 417–425. DOI: 10.2355/isijinternational.30.417.Search in Google Scholar
Abdel Halim, K.S., Bahgat, M., El-Kelesh, H.A. & Nasr, M.I. (2009). Metallic Iron Whisker Formation and Growth during Iron Oxide Reduction: Basicity Effect. Ironmaking & Steelmaking, 36(8), 631. DOI: 10.1179/174328109X463020.Search in Google Scholar
Bahgat, M., Abdel Halim, K.S., Nasr, M.I. & El-Geassy, A.A. (2008). Morphological Changes Accompanying the Gaseous Reduction of SiO2- Doped Wüstite Compacts. Ironmaking & Steelmaking, 35(3), 205–212. DOI: 10.1179/174328107X155259.Search in Google Scholar
Abdel Halim, K.S. (2007). Isothermal reduction behavior of Fe2O3/MnO composite materials with solid carbon. Mater. Sci. Eng. A, 452–453, 15–22. DOI: 10.1016/j.msea.2006.12.126.Search in Google Scholar
Bahgat, M., Abdel Halim, K.S., Nasr M.I. & El-Geassy A.A. (2007). Reduction Behavior of Wüstite Doped with MgO. Steel Res. Int. 78(6), 443–450. DOI: 10.1002/srin.200706228.Search in Google Scholar
Bahgat, M., Abdel Halim, K.S., El-Kelesh H.A. & Nasr, M.I. (2011). Behaviour of wustite prepared from Baharia iron ore sinter during reduction with CO–CO2–N2 gas mixture. Mineral Processing and Extractive Metallurgy (Trans. Inst. Min. Metal. C). 120(2), 102. DOI: 10.1179/1743285510Y.0000000010.Search in Google Scholar
El-Geassy, A.A. (1996). Gaseous reduction of pure Fe2O3 and MgO-doped Fe2O3 compacts with carbon monoxide at 1173–1473 K. J. Iron-Steel Inst. 36, 1328–1337.Search in Google Scholar
El-Geassy, A.A. (1997). Stepwise reduction of CaO and/or MgO doped-Fe2O3 compacts to magnetite then subsequently to iron at 1173–1473K. J. Iron-Steel Inst. 37, 844–853. DOI: 10.2355/isijinternational.37.844.Search in Google Scholar
El-Geassy, A.A., Nasr, M.I., Omar, A.A. & Mousa, E.A. (2007). Reduction kinetics and catastrophic swelling of MnO2-doped Fe2O- compacts with CO at 1073–1373K. J. Iron-Steel Inst. 47(3), 377–385. DOI: 10.2355/isijinternational.47.377.Search in Google Scholar
El-Geassy, A.A. (1999). Influence of Doping with CaO and/or MgO on Stepwise Reduction of Pure Hematite Compacts. Ironmaking and Steelmaking 26(1), 41–52. DOI: 10.1179/irs.1999.26.1.41.Search in Google Scholar
El-Geassy, A.A. (1996). Reduction of CaO and/or MgO-doped Fe2O3 compacts with carbon monoxide at 1173–1473K. J. Iron-Steel Inst. 36(11), 1344–1353. DOI: 10.2355/isijinternational.36.1344.Search in Google Scholar
Abdel Halim, K.S., El-Geassy, A.A., Ramadan, M.; Nasr, M.I., Hussein, A., Fathy, N. & Alghamdi, A.S. (2022). Reduction Behavior and Characteristics of Metal Oxides in the Nanoscale. Metals, 12(12), 182. DOI:10.3390/met12122182.Search in Google Scholar
Szekely, J., Evans, J. & Sohn, H.Y. (1976). Gas Solid Reactions. Academic Press. New York, USA. Retrieved by AlChE (1977). 23(4). DOI: 10.1002/aic.690230435.Search in Google Scholar
Morrison, A.L., Wright, J.K. & Bouling, K.McG. (1978). Direct reduction of iron ore pellets in a rotary kiln simulator. Ironmaking and Steelmaking, 5(1), 32–38.Search in Google Scholar
McKewan, W.K. (1965). Steel Making, the Chipman Conference.141. MIT Press, Cambridge. Ed. J.F. Elliott.Search in Google Scholar
Lien, H.O, El-Mehairy A.E. & Ross, H.U. (1971). A two-zone theory of iron oxide reduction. J. Iron-Steel Inst. 209, 451–545.Search in Google Scholar
Babich, A. & Senk, D. (2015). Recent developments in blast furnace iron-making technology, Elsevier, Mineralogy, Processing and Environmental Sustainability, Pages 505–547, DOI: 10.1016/B978-1-78242-156-6.00017-4.Search in Google Scholar
Abdel Halim, K.S. (2013). Theoretical approach to change blast furnace regime with natural gas injection. J. Iron Steel Res. Internat. 20(9), 40–46. DOI: 10.1016/S1006-706X(13)60154-5.Search in Google Scholar
Wang, Y., Zuo, H. & Zhao, J. (2019). Recent progress and development of ironmaking in China as of 2019: an overview. Ironmaking & Steelmaking, 2020, 47(5), 1–10. DOI: 10.1080/03019233.2020.1794471.Search in Google Scholar
Chen, Y. & Zuo, H. (2021). Review of hydrogen-rich ironmaking technology in blast furnace. Ironmaking & Steelmaking, 48(6), 749–768. DOI: 10.1080/03019233.2021.1909992.Search in Google Scholar
Aziz, I.H., Abdullah, M.M., Salleh, M.A., Ming, L.Y. et.al. (2022). Recent developments in steelmaking industry and potential alkali activated based steel waste: A Comprehensive review. Materials, 15, 1948. DOI: 10.3390/ma15051948.Search in Google Scholar
Pavalov, M.A. (1949). Metallurgy of Pig Iron, Part II, Metallurgizdate, 628.Search in Google Scholar
Abdel Halim, K.S., Andronov, V.N. & Nasr, M.I. (2009). Blast furnace operation with natural gas injection and minimum theoretical flame temperature. Ironmaking and Steelmaking, 36(1), 12–16. DOI: 10.1179/174328107X155240.Search in Google Scholar
Abdel Halim, K.S. (2007). Effective utilization of using natural gas injection in the production of pig iron. Materials Letters, 61, 3281–3286. DOI:10.1016/j.matlet.2006.11.053.Search in Google Scholar
Andronov, V.N. & Abdel Halim, K.S. (2001). Improvement of technology of blast furnace melting with combined blowing, J. Ferrous Metals (Cherny Metall), 8, 25–30.Search in Google Scholar
Kuang, S., Li, Z. & Yu. A. (2018). Review on modeling and simulation of blast furnace. Steel Research International 89 (1). DOI: 10.1002/srin.201700071.Search in Google Scholar
Dutta, S.K. & Sah, R. (2016). Direct Reduced Iron: Production. Encyclopedia of Iron, Steel, and Their Alloys. CRC Press. DOI: 10.1081/E-EISA-120050996.Search in Google Scholar
2020 World direct Reduction Statistics by Midrex. (2021). World Steel Dynamics, WSD. New Jersy, U.S.A.Search in Google Scholar
Schenk, J.L. (2006). FINEX®:From fine iron ore to hot metal. Proceedings of the innovations in ironmaking session of 2006. International symposium. Linz, Austria.Search in Google Scholar
Sohn, H.Y. & Szekely, J. (1972). A structural model for gas-solid reactions with a moving boundary—III: A general dimensionless representation of the irreversible reaction between a porous solid and a reactant gas. J. Chem. Eng. Sci. 27 (4), 763–778.Search in Google Scholar
Andronov, V.N. (2001). Modern Blast Furnace. Library of Saint Petersburg State Technical University, Russia.Search in Google Scholar
Lu, W.L. (1999). Kinetics and mechanisms of direct reduced iron ore. In J. Feinman, & D. R. Mac Rae (Eds.), Direct reduced iron – Technology and economics of production and use. 43–57. Warrendale: The Iron & Steel Society.Search in Google Scholar
Gudenau, H.W., Fang, J., Hirata, T. & Gebel, U. (1989). Steel Res. 60(314), 38.Search in Google Scholar
Gransden, I.F. & Sheasby, J.S. (1974). The sticking of iron ore during reduction by hydrogen in a fluidized bed. Canadian Metallurgical Quarterly. 13(4), 649–657.Search in Google Scholar
Schmole, P. & Lungen, H.B. (2012). From Ore to Steel-Ironmaking processes. Stahl und Eisen. 132(6), 29–38.Search in Google Scholar
Lungen, H.B., Mulheims, K. & Steffen, R. (2001). State of the art of direct reduction and smelting reduction of iron ores. STAHL EISEN. 121(5), 35–47.Search in Google Scholar
Kepplinger, W.L. (2009). Actual state of smelting-reduction processes in ironmaking. Stahl und Eisen.7, 43–45.Search in Google Scholar
Bohm, C., Heckmann, H. & Grill, W. (2011). SVAI Smelting/Direct Reduction Technology, Proc. Metec In Steel Conf. Dusseldorf, 27 june-1 July 2011. Dusseldorf, Germany.Search in Google Scholar
Schenk, J.L., Wallner, F., Kepplinger, W.L., Shin, M.K., Cho, M. & Lee, I.O. (2000). Technology for an increased portion of fine ore in the COREX process. Scandin. J. Metal. 29(2), 81–91.Search in Google Scholar
Anameric, B. & Kawatra, S.K. (2009). Direct iron smelting reduction processes.Mineral Processing & Extractive Metall. Rev. 30, 1–51. DOI: 10.1080/08827500802043490.Search in Google Scholar
Boom, R. &Steffen, R. (2001). Recycling of scrap for high quality steel products. STEEL RES, 72(3), 91–96.Search in Google Scholar
Fruehan, R.J., Astier, J.E. & Steffen, R. (2000). Status of direct reduction and smelting in the year of 2000. Proc. 4th European Coke and Ironmaking Congr. (ECIC 2000). 19–22 June, Paris, France.Search in Google Scholar
Shim, Y. & Jung, S. (2018). Conditions for Minimizing Direct Reduction in Smelting Reduction Iron Making. ISIJ. 58(2). 274–281.Search in Google Scholar
Chatterjee, A. (2005). A critical appraisal of the present status of smelting reduction-Part I From blast furnace to Corex. Steel Times International, 29(4), 23.Search in Google Scholar
Burke, P.D. & Gul, S. (2002). December). HIsmelt—the alternative ironmaking technology. In Proceedings of International Conference on Smelting Reduction for Ironmaking, Jouhari, AK, Galgali, RK, Misra, VN, Eds (pp. 61–71).Search in Google Scholar
Bhaskar, A., Assadi, M. & Nikpey Somehsaraei, H. (2020). Decarbonization of the Iron and Steel Industry with Direct Reduction of Iron Ore with Green Hydrogen. Energies. 13, 758. DOI: 10.3390/en13030758.Search in Google Scholar
Ostadi, M., Paso, K.G., Rodriguez-Fabia, S., Qi, L.E., Manenti, F., Hillestad, M. (2020). Process Integration of Green Hydrogen: Decarbonization of Chemical Industries. Energies. 13(18), 4859. DOI: 10.3390/en13184859.Search in Google Scholar
Wang, R.R., Zhao, Y.Q., Babich, A., Senk, D. & Fan, X.Y., (2021). Hydrogen direct reduction (H-DR) in steel industry—An overview of challenges and opportunities. J. Clean. Prod. 329, 129797. DOI: 10.1016/j.jclepro.2021.129797.Search in Google Scholar
Ma, Y., Isnaldi R. Souza Filho, I.R.S., Bai, et.al. (2022). Hierarchical nature of hydrogen-based direct reduction of iron oxides. Scripta Materialia, 213, 114571. DOI: 10.1016/j. scriptamat.2022.114571.Search in Google Scholar
Abdel Halim, K.S., Ramadan, M., Shawabkeh, A., Abufara, A. (2013). Synthesis and characterization of metallic materials for membrane technology. Beni-Suef University J. Basic Appl. Sci. 2, 72–79.Search in Google Scholar
Abdel Halim, K.S. (2012). Novel synthesis of porous Fe–Ni ferroalloy powder for energy applications. Materials Letter, 68, 478. DOI: 10.1016/j.matlet.2011.11.048.Search in Google Scholar
Abdel Halim, K.S., Khedr, M.H., Nasr, M.I. & Abdel Wahab, M. Sh., (2008). Carbothermic reduction kinetics of nanocrystallite Fe2O3/NiO composites for the production of Fe/Ni alloy. J. Alloys Compounds. 463, 585–590. DOI: 10.1016/j. jallcom.2008.02.026.Search in Google Scholar
El-Geassy, A.A, Abdel Halim K.S. & Alghamdi A.S. (2023). A Novel Hydro-Thermal Synthesis of Nano-Structured Molybdenum-Iron Intermetallic Alloys at Relatively Low Temperatures. Materials, 16(7), 2736. DOI: 10.3390/ma16072736.Search in Google Scholar
Abdel Halim, K.S., Bram, M., Buchkremer, H.P. & Bahgat, M. (2012). Synthesis of heavy tungsten alloy by thermal technique. Ind. Engin. Chem. Res. 51(50), 16354–16360. DOI: 10.1021/ie301947e.Search in Google Scholar
Al-Kelesh, H., Abdel Halim, K.S., Nasr, M.I. (2016). Synthesis of heavy tungsten alloys via powder reduction technique. J. Mat. Res. 31(9), 2977–2986. DOI: 10.1557/jmr.2016.318.Search in Google Scholar
Ahmed, H.M., El-Geassy A.A. & Seetheraman S. (2011). Kinetic studies of hydrogen reduction of NiO-WO3 precursors in fluidized bed reactor. ISIJ Int. 51(9), 1359–1367. DOI: 10.2355/isijinternational.51.1383.Search in Google Scholar
Abdel Halim, K.S., Ramadan, M., Shawabkeh, A. & Fathy, N. (2017). Developing nanomaterials for ironmaking processes: Theory and practice. Appl. Mech. Mat. 865, 3–8. DOI: 10.4028/www.scientific.net/AMM.865.3.Search in Google Scholar
Abdel Halim, K.S., Khedr, M.H., Soliman, N.K. (2010). Reduction characteristics of iron oxide in nanoscale. Mat. Sci. Technol. 26(4), 445–452. DOI: 10.1179/026708309X1246 8927349253.Search in Google Scholar
Khedr, M.H., Abdel Halim, K.S. & Soliman, N.K. (2009). Synthesis and photocatalytic activity of nano-sized iron oxides. Mat. Letters. 63, 598–601. DOI: 10.1016/j.matlet.2008.11.050.Search in Google Scholar
Khedr, M.H., Abdel Halim, K.S., Soliman, N.K. (2008). Effect of temperature on the kinetics of acetylene decomposition over reduced iron oxide catalyst for the production of carbon nanotubes. Appl. Surf. Sci. 255, 2375–2381. DOI: 10.1016/j. apsusc.2008.07.096.Search in Google Scholar
El-Sheikh, S.M., Harraz, F.A., Abdel-Halim, K.S. (2009). Catalytic performance of nanostructured iron oxides synthesized by thermal decomposition. J. Alloys Comp. 487, 716–723. DOI: 10.1016/j.jallcom.2009.08.053.Search in Google Scholar
Lyadov, A.S, Kochubeev, A.A., Markova, E.B., Parenago, O.P., Khadzhiev S.N. (2016). Features of Reduction and Chemisorption Properties of Nanosized Iron (III) Oxide. Petroleum Chem. 56(12), 1134–1139.Search in Google Scholar
Abdel Halim, K.S., Khedr, M.H., Nasr, M.I., El-Mansy A. (2007). Factors affecting catalytic oxidation of CO over nano-sized Fe2O3. Mater. Res. Bull. 42, 731–741. DOI: 10.1016/j. materresbull.2006.07.009.Search in Google Scholar