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Ironmaking & Steelmaking
Processes, Products and Applications
Volume 38, 2011 - Issue 1
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Original Article

Structural and morphological changes during reduction of hematite to magnetite and wustite in hydrogen rich reduction gases under fluidised bed conditions

B WeissSiemens VAI Metals Technologies GmbH & Co, Iron Making Technology, Turmstrasse 44, 4030Linz, AustriaCorrespondence[email protected]
,
J SturnVienna University of Technology, Institute of Chemical Engineering, Getreidemarkt 9, 1060Wien, Austria
,
S VoglsamVienna University of Technology, Institute of Chemical Engineering, Getreidemarkt 9, 1060Wien, Austria
,
S StroblVienna University of Technology, Institute of Chemical Engineering, Getreidemarkt 9, 1060Wien, Austria
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H MaliMontanuniversität LeobenDepartment of Applied Geological Sciences and Geophysics, Peter Tunner Strasse 5, 8700Leoben, Austria
,
F WinterVienna University of Technology, Institute of Chemical Engineering, Getreidemarkt 9, 1060Wien, Austria
&
J SchenkMontanuniversität LeobenDepartment of Applied Geological Sciences and Geophysics, Peter Tunner Strasse 5, 8700Leoben, Austria
 show all
Pages 65-73 | Received 09 Nov 2009, Accepted 13 Mar 2010, Published online: 12 Nov 2013

Citations (28)

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Read on this site (3)

Oscar Hessling, Magnus Tottie & Du Sichen. (2021) Experimental study on hydrogen reduction of industrial fines in fluidized bed. Ironmaking & Steelmaking 48:8, pages 936-943.
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Yanbiao Chen & Haibin Zuo. (2021) Review of hydrogen-rich ironmaking technology in blast furnace. Ironmaking & Steelmaking 48:6, pages 749-768.
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Y. Qu, Y. Yang, Z. Zou, C. Zeilstra, K. Meijer & R. Boom. (2015) Kinetic study on gas molten particle reduction of iron ore fines at high temperature. Ironmaking & Steelmaking 42:10, pages 763-773.
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Articles from other publishers (25)

Junlei Yang, Linghuan Li, Zhikai Liang, Xin Peng, Xianying Deng, Jiayuan Li, Lingyun Yi, Boyang Huang & Jun Chen. (2023) Direct reduction of iron ore pellets by H2-CO mixture: An in-situ investigation of the evolution and dynamics of swelling. Materials Today Communications, pages 106940.
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Thomas Wolfinger, Daniel Spreitzer, Heng Zheng & Johannes Schenk. (2021) Influence of a Prior Oxidation on the Reduction Behavior of Magnetite Iron Ore Ultra-Fines Using Hydrogen. Metallurgical and Materials Transactions B 53:1, pages 14-28.
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Sigit W. Prabowo, Raymond J. Longbottom, Brian J. Monaghan, Diego del Puerto, Martin J. Ryan & Chris W. Bumby. (2022) Phase transformations during fluidized bed reduction of New Zealand titanomagnetite ironsand in hydrogen gas. Powder Technology 398, pages 117032.
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Corinne Arrouvel & Alain Prinzhofer. (2021) Genesis of natural hydrogen: New insights from thermodynamic simulations. International Journal of Hydrogen Energy 46:36, pages 18780-18794.
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Liyong Xing, Yingxia Qu, Chunsong Wang, Lei Shao & Zongshu Zou. (2020) Gas–Liquid Reduction Behavior of Hematite Ore Fines in a Flash Reduction Process. Metallurgical and Materials Transactions B 51:3, pages 1233-1242.
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Jin Xu, Nan Wang, Min Chen, Zongyan Zhou & Haiyang Yu. (2020) Comparative investigation on the reduction behavior of blast furnace dust particles during in-flight process in hydrogen-rich and carbon monoxide atmospheres. Powder Technology 366, pages 709-721.
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Lei Guo, Qipeng Bao, Jintao Gao, Qingshan Zhu & Zhancheng Guo. (2020) A Review on Prevention of Sticking during Fluidized Bed Reduction of Fine Iron Ore. ISIJ International 60:1, pages 1-17.
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Yingxia Qu, Liyong Xing, Lei Shao, Yongjin Luo & Zongshu Zou. (2019) Microstructural characterization and gas-solid reduction kinetics of iron ore fines at high temperature. Powder Technology 355, pages 26-36.
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Kai Zhang, Yue Ge, Wenchao Guo, Na Li, Zhengfeng Wang, Huijuan Luo, Qingkai Hu, Baowei Li, Wenfei Wu & Shaopeng Shang. (2019) Phase transition and magnetic properties of low-grade limonite during reductive roasting. Vacuum 167, pages 163-174.
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Sigit W. Prabowo, Raymond J. Longbottom, Brian J. Monaghan, Diego del Puerto, Martin J. Ryan & Chris W. Bumby. (2019) Sticking-Free Reduction of Titanomagnetite Ironsand in a Fluidized Bed Reactor. Metallurgical and Materials Transactions B 50:4, pages 1729-1744.
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Senwei Xuan, Xuewei Lv, Chengyi Ding, Kai Tang, Gang Li, Guishang Pei & Shanshan Wu. (2018) Reduction Behavior of Aluminate Calcium Ferrite (CFA) in CO‐N 2 Atmosphere . steel research international 89:5.
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A.F. Moustafa. (2017) Isothermal reduction process and kinetic of nanomaterials in reducing atmosphere: A review. Journal of Analytical and Applied Pyrolysis 127, pages 126-139.
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Eduardo Junca, Felipe Fardin Grillo, Thomaz Augusto Guisard Restivo, José Roberto de Oliveira, Denise Crocce Romano Espinosa & Jorge Alberto Soares Tenório. (2017) Kinetic investigation of synthetic zinc ferrite reduction by hydrogen. Journal of Thermal Analysis and Calorimetry 129:2, pages 1215-1223.
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Eduardo Junca, Thomaz Augusto Guisard Restivo, José Roberto de Oliveira, Denise Crocce Romano Espinosa & Jorge Alberto Soares Tenório. (2016) Reduction of electric arc furnace dust pellets by simulated reformed natural gas. Journal of Thermal Analysis and Calorimetry 126:3, pages 1889-1897.
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Lei Guo, Jin-tao Gao, Yi-wei Zhong, Han Gao & Zhan-cheng Guo. (2016) Oxide coating mechanism during fluidized bed reduction: solid-state reaction characteristics between iron ore particles and MgO. International Journal of Minerals, Metallurgy, and Materials 23:9, pages 1019-1028.
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Anton Pichler, Heinrich Mali, Friedemann Plaul, Johannes Schenk, Michael Skorianz & Bernd Weiss. (2016) Reduction Behavior and Structural Evolution of Iron Ores in Fluidized Bed Technologies-Part 2: Characterization and Evaluation of Worldwide Traded Fine Iron Ore Brands. steel research international 87:5, pages 642-652.
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Chengyi Ding, Xuewei Lv, Senwei Xuan, Kai Tang & Chenguang Bai. (2016) Isothermal Reduction Kinetics of Powdered Hematite and Calcium Ferrite with CO–N<sub>2</sub> Gas Mixtures. ISIJ International 56:12, pages 2118-2125.
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Lei Guo, Zerong Yang, Jintao Gao, Yiwei Zhong & Zhancheng Guo. (2016) Effect of Coating Mg(OH)<sub>2</sub> with Heterogeneous Deposition Method on Sticking during Fluidized Bed Reduction of Iron Ore. ISIJ International 56:5, pages 736-743.
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Yuuki Mochizuki, Naoto Tsubouchi & Tomohiro Akiyama. (2015) Reduction behavior and crushing strength of carbon-containing iron ore sinters prepared from tar recovered from coke oven gas. Fuel Processing Technology 138, pages 704-713.
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Yingxia Qu, Yongxiang Yang, Zongshu Zou, Christiaan Zeilstra, Koen Meijer & Rob Boom. (2015) Reduction Kinetics of Fine Hematite Ore Particles with a High Temperature Drop Tube Furnace. ISIJ International 55:5, pages 952-960.
Crossref
Lei Guo, Jingkun Tang, Huiqing Tang & Zhancheng Guo. (2015) Influence of Different MgO Coating Methods on Preventing Sticking During Reduction of Fe2O3 Particles in a Fluidized Bed. Materials Today: Proceedings 2, pages S332-S341.
Crossref
R. Sakthivel, D. Bhattacharyya, C. Eswaraiah, D. Das, K. Jayasankar & B.K. Mishra. (2014) Effect of milling on reduction behavior of blue dust. Journal of Alloys and Compounds 587, pages 677-680.
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Dawei Yu, Mingqian Zhu, Torstein A. Utigard & Mansoor Barati. (2014) TG/DTA study on the carbon monoxide and graphite thermal reduction of a high-grade iron nickel oxide residue with the presence of siliceous gangue. Thermochimica Acta 575, pages 1-11.
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Zhucheng Huang, Lingyun Yi & Tao Jiang. (2012) Mechanisms of strength decrease in the initial reduction of iron ore oxide pellets. Powder Technology 221, pages 284-291.
Crossref
B. Weiss, J. Sturn, S. Voglsam, F. Winter & J. Schenk. (2011) Industrial fluidised bed direct reduction kinetics of hematite ore fines in H2 rich gases at elevated pressure. Chemical Engineering Science 66:4, pages 703-708.
Crossref

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