Effect of mechanical activation on carbothermic reduction and nitridation of titanomagnetite concentrates

• Autorzy: Wen Xiaojin , Yu Wen , Zeng Danliang , Zhu Liang Liang , Chen Jiangan

Identyfikatory

DOI

10.37190/ppmp/140210

• Języki publikacji: EN

Abstrakty

EN

The carbothermic reduction and nitridation process of titanomagnetite concentrates with the help of mechanical activation were investigated by particle size analysis, thermodynamic calculation, thermogravimetric analysis, X-ray diffraction analysis, scanning electron microscopy, and energy-dispersive spectroscopy analysis. The thermogravimetric and X-ray diffraction results indicated that either the reduction of iron oxide or the reduction and nitridation of M3O5 to TiN could be promoted significantly with the increase in activation time. The results obtained from scanning electron microscopy and energy-dispersive spectroscopy showed that, when samples were not activated, chunks of and thin M3O5 were derived from the reduction of ilmenite and titanomagnetite. They were severely sintered with impurities to form a dense structure. As a result, M3O5 was difficult to be converted to TiN, especially chunks of M3O5. However, when samples were activated, the sintering degrees of the impurity and M3O5 were mitigated, and the particle size of the iron as a medium for delivering C to M3O5 was decreased in the roasted product. This condition enhanced the diffusion of C to the surface of M3O5. Meanwhile, the bulk of ilmenite was broken in the activation process, which prevented the formation of chunks of M3O5. Thus, the conversion of M3O5 to TiN was promoted.

Słowa kluczowe

EN

titanomagnetite concentrates; carbothermic reduction; mechanical activation; titanium nitride

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2021
• Tom: Vol. 57, iss. 5
• Strony: 33--45
• Opis fizyczny: Bibliogr. 37 poz., rys., fot., tab.

Twórcy

autor

Wen Xiaojin

• Faculty of Resource and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

autor

Yu Wen

• Faculty of Resource and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

autor

Zeng Danliang

• Faculty of Resource and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

autor

Zhu Liang Liang

• Faculty of Resource and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

autor

Chen Jiangan

• Faculty of Resource and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

Bibliografia

• ASHRAFZADEH, M, SOLEYMANI, AP, PANJEPOUR, M, SHAMANIAN, M, 2015. Cementite Formation from Hematite–Graphite Mixture by Simultaneous Thermal–Mechanical Activation. Metallurgical and Materials Transactions B. 46 (2), 813-823.
• BALE, C.W., BELISLE, E. Fact-Web Suite of Interactive Programs. Available online: www.factsage.com (accessed on 21 March 2021).
• CHEN, D, SONG, B, WANG, L, QI, T, WANG, Y, WANG, W, 2011. Solid State Reduction of Panzhihua Titanomagnetite Concentrates with Pulverized Coal. Minerals Engineering. 24 (8), 864-869.
• CHEN, L, ZHEN, Y, ZHANG, G, CHEN, D, WANG, L, ZHAO, H, MENG, F, QI, T, 2020. Carbothermic Reduction of Vanadium Titanomagnetite with the Assistance of Sodium Carbonate. International Journal of Minerals, Metallurgy and Materials. DOI: 10.1007/s12613-020-2160-7
• CHEN, M, TANG, A, XIAO, X, 2015. Effect of Milling Time on Carbothermic Reduction of Ilmenite. Transactions of Nonferrous Metals Society of China. 25 (12), 4201-4206.
• EL-SADEK, MH, MORSI, MB, EL-BARAWY, K, EL-DIDAMONY, HA, 2013. Mechanochemical Synthesis of Fe–TiC Composite from Egyptian Ilmenite Ore. International Journal of Mineral Processing. 120, 39-42.
• GOU, H, ZHANG, G, HU, X, CHOU, K, 2017. Kinetic Study on Carbothermic Reduction of Ilmenite with Activated Carbon. Transactions of Nonferrous Metals Society of China. 27 (8), 1856-1861.
• HU, T, LV, X, BAI, C, LUN, Z, QIU, G, 2013. Reduction Behavior of Panzhihua Titanomagnetite Concentrates with Coal. Metallurgical and Materials Transactions B. 44 (2), 252-260.
• JIANG, T, XU, L, ZHONG, Q, LIU, C, LIU, H, RAO, M, PENG, Z, LI, G, 2021. Efficient Preparation of Blast Furnace Burdens from Titanomagnetite Concentrate by Composite Agglomeration Process. JOM. 73 (1), 326-333.
• JUNG, S, 2014. Effects of the Content and Particle Size of Char in the Composite on the Carbothermic Reduction of Titanomagnetite at 1100°C. ISIJ International. 54 (12), 2933-2935.
• KIM, JJ, CHOI, Y, SURESH, S, ARGON, AS, 2002. Nanocrystallization During Nanoindentation of a Bulk Amorphous Metal Alloy at Room Temperature. Science. 295 (5555), 654-7.
• LI, W, WANG, N, FU, G, CHU, M, ZHU, M, 2017. Influence of Roasting Characteristics on Gas-Based Direct Reduction Behavior of Hongge Vanadium Titanomagnetite Pellet with Simulated Shaft Furnace Gases. Powder Technology. 310, 343-350.
• LI, X, KOU, J, SUN, T, WU, S, ZHAO, Y, 2019. Effects of Temperature on Fe and Ti in Carbothermic Reduction of Vanadium Titanomagnetite with Adding MgO. Physicochemical Problems of Mineral Processing. 55 (4), 917-927.
• LIU, C, ZHANG, L, PENG, J, LIU, B, XIA, H, GU, X, SHI, Y, 2013. Effect of Temperature on Dielectric Property and Microwave Heating Behavior of Low Grade Panzhihua Ilmenite Ore. Transactions of Nonferrous Metals Society of China. 23 (11), 3462-3469.
• LIU, S, GUO, Y, QIU, G, JIANG, T, CHEN, F, 2014. Solid-State Reduction Kinetics and Mechanism of Pre-Oxidized Vanadium–Titanium Magnetite Concentrate. Transactions of Nonferrous Metals Society of China. 24 (10), 3372-3377.
• LV, X, LUN, Z, YIN, J, BAI, C, 2013. Carbothermic Reduction of Vanadium Titanomagnetite by Microwave Irradiation and Smelting Behavior. ISIJ International. 53 (7), 1115-1119.
• OTSUKA, K, KUNII, D, 1962. Reduction of Powdery Ferric Oxide Mixed with Graphite Particles. J. Chem. Eng. Jpn. 2, 46-50.
• PALLIYAGURU, L, KULATHUNGA, US, JAYARATHNA, LI, JAYAWEERA, CD, JAYAWEERA, PM, 2020. A Simple and Novel Synthetic Route to Prepare Anatase TiO2 Nanopowders From Natural Ilmenite Via the H3PO4/NH3 Process. International Journal of Minerals, Metallurgy and Materials. 27 (6), 846-855.
• PAN, FS, LI, K, TANG, AT, WANG, Y, ZHANG, J, GUO, ZX, 2003. Influence of High Energy Ball Milling on the Carbothermic Reduction of Ilmenite. Materials Science Forum. 437-4, 105-108.
• PAUNOVA, R, 2002a. Thermodynamic Study of the Reduction of Titanium Magnetite Concentrate with Solid Carbon. Metallurgical and Materials Transactions B. 33 (4), 633-638.
• PAUNOVA, R, 2002b. Thermodynamic Study of the Reduction of Titanium Magnetite Concentrate with Solid Carbon. Metallurgical and Materials Transactions B. 33 (4), 633-638.
• SUI, Y, GUO, Y, JIANG, T, XIE, X, WANG, S, ZHENG, F, 2017. Gas-Based Reduction of Vanadium Titano-Magnetite Concentrate: Behavior and Mechanisms. International Journal of Minerals, Metallurgy, and Materials. 24 (1), 10-17.
• WANG, X, LI, Z, SUN, T, KOU, J, LI, X, 2020. Factor Analysis on the Purity of Magnesium Titanate Directly Prepared from Seashore Titanomagnetite Concentrate through Direct Reduction. International Journal of Minerals, Metallurgy and Materials. 27 (11), 1462.
• WELHAM, NJ, 1996. A Parametric Study of the Mechanically Activated Carbothermic Reduction of Ilmenite. Minerals Engineering, 9, 1189-1200.
• WELHAM, NJ, WILLIS, PE, 1998. Formation of TiN/TiC-Fe Composites from Ilmenite (FeTiO3) Concentrate. Metallurgical and Materials Transactions B. 29 (5), 1077-1083.
• WU E, ZRYS., 2016. Preparation of Fe-Ti (C, N) Composites from Titanomagnetite Concentrate by Carbothermal Reduction in Air Atmosphere, pp. 46-50.
• Y, CHEN, 1997. Ball Milling Assisted Low Temperature Formation of iron-TiC Composite. Scripta Materialia. 36 (9), 989-993.
• YU, W, WEN, X, CHEN, J, KUANG, J, TANG, Q, TIAN, Y, FU, J, HUANG, W, QIU, T, 2017. Preparation of Direct Reduced Iron and Titanium Nitride from Panzhihua Titanomagnetite Concentrate through Carbothermic Reduction-Magnetic Separation. Minerals. 7 (11), 220.
• YU, W, WEN, X, CHEN, J, TANG, Q, DONG, W, ZHONG, J, 2019. Effect of Sodium Borate on the Preparation of TiN from Titanomagnetite Concentrates by Carbothermic Reduction–Magnetic Separation and Acid Leaching Process. Minerals. 9 (11), 675.
• YUKI TANAKA, TUKO, 2011. Reaction Behavior of Coal Rich Composite Iron Ore Hot Briquettes Under Load at High Temperatures Until 1 400°C. ISIJ International.
• ZHANG, G, FENG, K, YUE, H, 2016. Theoretical Analyses and Experimental Investigations of Selective Carbothermal Reactions of Vanadium-Bearing Titanomagnetite Concentrates for Preparation of Iron-Based Wear-Resistant Material. JOM. 68 (9), 2525-2532.
• ZHANG, Y, WANG, L, CHEN, D, WANG, W, LIU, Y, ZHAO, H, QI, T, 2018. A Method for Recovery of Iron, Titanium, and Vanadium from Vanadium-Bearing Titanomagnetite. International Journal of Minerals, Metallurgy, and Materials. 25 (2), 131-144.
• ZHAO, L, LIU, Y, WANG, L, ZHAO, H, CHEN, D, ZHONG, B, WANG, J, QI, T, 2013. Production of Rutile TiO2 Pigment from Titanium Slag Obtained by Hydrochloric Acid Leaching of Vanadium-Bearing Titanomagnetite. Industrial & Engineering Chemistry Research. 53 (1), 70-77.
• ZHAO, W, CHU, M, WANG, H, LIU, Z, TANG, J, YING, Z, 2019. Reduction Behavior of Vanadium-Titanium Magnetite Carbon Composite Hot Briquette in Blast Furnace Process. Powder Technology. 342 (214-223.
• ZHENG, F, CHEN, F, GUO, Y, JIANG, T, TRAVYANOV, AY, QIU, G, 2016. Kinetics of Hydrochloric Acid Leaching of Titanium from Titanium-Bearing Electric Furnace Slag. JOM. 68 (5), 1476-1484.
• ZHENG, H, SUN, Y, LU, J, DONG, J, ZHANG, W, SHEN, F, 2017. Vanadium Extraction from Vanadium-Bearing Titanomagnetite by Selective Chlorination Using Chloride Wastes (FeClx). Journal of Central South University. 24 (2), 311-317.
• ZHOU, M, JIANG, T, DING, X, MA, S, WEI, G, XUE, X, 2019. Thermodynamic Study of Direct Reduction of High-Chromium Vanadium–Titanium Magnetite (HCVTM) Based on Phase Equilibrium Calculation Model. Journal of Thermal Analysis and Calorimetry. 136 (2), 885-892.