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Surface Morphology and Structural Evolution of Magnetite-Based Iron Ore Fines During the Oxidation. Metall. Mater. Trans. B, 53 (2022), pp. 1644-1660. Crossref View in …
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The direct reduction process is an important development direction of low-carbon ironmaking and efficient comprehensive utilization of poly-metallic iron ore, such as titanomagnetite. However, the defluidization of reduced iron …
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Vanadium-bearing titanomagnetite is a very important mineral resource of vanadium, titanium and iron. Currently, the major process for smelting vanadium-bearing …
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Efficient extraction of vanadium from vanadiumâ€"titanium magnetite concentrate by potassium salt roasting additives [J]. Minerals, 2018, 8(1): 25. [5] FU Wei-guo, XIE Hong-en. …
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This study investigated the effect of calcium oxide (CaO) on the direct reduction process of Hongge vanadium titanomagnetite pellet (HVTMP) using hydrogen-rich gases. The …
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Four main deposit types from which vanadium was historically extracted, are currently produced from, or may be recovered from in the future are: (1) vanadiferous titanomagnetite (Figure …
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High-quality oxidized pellets are the basis to achieve high-efficiency utilization of vanadium–titanium magnetite (VTM) ores. Bentonite was used as a binder of VTM. The main …
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Keywords: recovery; vanadium; titanomagnetite; direct reduction; sodium oxidation; smelting separation; water leaching 1. Introduction Vanadium-bearing titanomagnetite is a strategic …
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Sea sand vanadium titanomagnetite is an iron ore resource ... vanadium titanomagnetite focuses on the pre-oxidation and reduction of sea sand raw ore [10–12]. Wright et al.
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The Damiao Fe-Ti-P deposit, located within the Damiao anorthosite complex in northeastern China, features Fe-Ti oxide ores and nelsonites that occur as irregularly inclined …
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The vanadium titanomagnetite (VTM) ore is a special type of iron ore that contains not only iron oxides but also significant amount of vanadium (0.5–3 wt.% as in V 2 O 5) is the …
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A large number of unexploited low-grade vanadium-titanium magnetite deposits have been found in the Chao-yang area of China in recent years. The reserves are estimated …
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Fig. 2 shows the distribution of vanadium ore in the world. The world's vanadium ore reserves are about 2.4165 × 10 7 t, which represents the portion that meets requirements …
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More than 90% of titanium and vanadium resources are found in vanadium-bearing titanomagnetite ore (main phase ... ore. The oxidation degree (OD) of samples was calculated …
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Vanadium titanomagnetite (VTM) is a special type of iron ore found in various countries, such as China, Australia, Russia, New Zealand, South Africa, and Canada [[1], [2], …
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This study investigated the oxidation induration of Hongge vanadium titanomagnetite pellets (HVTMP) with different TiO 2 additions, and its influence on …
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Vanadium (V) ore refers to a type of mineral deposit that contains vanadium, a chemical element with the atomic number 23 and the symbol V in the periodic table. ... It has …
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Oxidation process and kinetics of the LVCHT were investigated in this study. The ... Vanadiferous titanomagnetite is a polymetallic symbiotic ore with mainly iron, titanium and vanadium, …
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During the roast-ing process, the reduction of iron oxides to metallic iron, the sodium oxidation of vanadium oxides to water-soluble sodium vanadate, and the smelting separation of metallic …
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Vanadium titanomagnetite ore has prominent latent applications in the recovery of iron, vanadium and titanium. In this study, the reduction effect and product characteristics of …
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Vanadium mainly exists in the titanomagnetite phase in vanadiferous magnetite concentrate, and occurs as V 3+ substituted for Fe 3+ [4, 24].Trivalent vanadium is insoluble in …
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To understand the factors controlling the incorporation of vanadium in magnetite, we have investigated the crystal-chemistry of vanadium in natural titanomagnetite samples from two magnetite seams of the Bushveld complex using X-ray …
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In order to better develop and utilize the low-grade vanadiferous titanomagnetite concentrate with high titanium (LVCHT) and provide reference for the treatment of similar …
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Most of the vanadium is produced from titanomagnetites either directly from titanomagnetite ores/concentrates or indirectly from the slag left from smelting titanomagnetite …
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Jiang [27] investigated the leaching process of vanadium and chromium by sodium salt (Na 2 CO 3) roasting-(NH 4) 2 SO 4 leaching, the results showed that 94.6% vanadium …
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A sodium modification–direct reduction coupled process was proposed for the simultaneous extraction of V and Fe from vanadium- bearing titanomagnetite. The sodium …
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In order to clarify the oxidation mechanisms and make better use of the low-grade vanadiferous titanomagnetite concentrate with high titanium (LVTC), the oxidation behavior of …
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Using a high energy-resolution X-ray emission spectrometer, we show that vanadium occurs mostly as V 3+, with minor V 4+. The most concentrated samples (up to 2.4 …
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Vanadium ore mainly includes vanadium-titanium magnetite and weakly magnetic ... G.J.C.J.o.N.M. Fa N, Leaching vanadium from extracted vanadium residue of vanadium …
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Vanadium is used primarily in the production of steel alloys; as a catalyst for the chemical industry; in the making of ceramics, glasses, and pigments; and in vanadium redox-flow …
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