High-chromium vanadium–titanium magnetite (HCVTM) is a good valuable resource with high iron content in the form of complex iron ore which contains various valuable metal elements such as iron ...
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Comparative separation tests of vanadium titano-magnetite (VTM) were conducted in this study by employing a high-pressure grinding roller (HPGR) and a jaw crusher (JC); these were followed by a ...
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In this work, diboron xide and calcium fluoride are applied as composite additives to explore a process suitable for processing low-grade, high-vanadium, ultra-high-titanium vanadium-titanium magnetite. The metallized coal-based direct reduction-electromagnetic separation experiment was conducted. Results show that a good metallization ratio, …
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High-chromium vanadium–titanium magnetite (HCVTM) is a good valuable resource with high iron content in the form of complex iron ore which contains various valuable metal elements such as iron, vanadium, titanium, chromium. Direct reduction of HCVTM is studied based on thermodynamic analysis. Combined TG experimental …
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In this work, diboron xide and calcium fluoride are applied as composite additives to explore a process suitable for processing low-grade, high-vanadium, ultra …
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The non-isothermal reduction behavior of high chromium vanadium-titanium magnetite (HCVTM) pellets by gas mixtures was investigated using different heating rates (4, 8, and 12 K/min) and varied ...
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Vanadium titanomagnetite (VTM) is an important mineral for developing titanium resources, but the comprehensive recovery of ilmenite separation is extremely poor, resulting in the low-efficiency utilization of titanium …
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PDF | On Nov 18, 2021, Liwei Liu and others published Recovery of Fe and V via selective reduction–magnetic separation of vanadium-titanium magnetite concentrate | Find, read and cite all the ...
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Presently, there are many research studies on vanadium-titanium magnetite in China, most of which first adopt a single process of low-intensity magnetic separation to separate strong magnetic iron minerals such as titanium magnetite and ferrous magnetite (which contain the concentrates of vanadium and titanium), followed by gravity …
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A high-titanium slag with 85.32% titanium was obtained by the iron powder induction leaching and alkali leaching. Additionally, the additive (NH4)2SO4 could be recycled, achieving zero emission of ...
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The quality of vanadium–titanium magnetite sinters is poor. The high-pellet operation of the blast furnace ironmaking process is a feasible method for utilization of the High-chromium Vanadium–titanium magnetite (HVTM). To ensure the basicity of the burden, flux pellets need to be investigated. In this study, HVTM concentrate and CaCO3 …
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@article{Cheng2023EnhancingRS, title={Enhancing Reduction Separation and Efficient Recovery of Iron, Vanadium, and Titanium for Ultra-High-Titanium Magnetite}, author={Gong-jin Cheng and Tong Han and Han-Lin Song and Ming-Lei Gao and He Yang and Xiang-xin Xue}, journal={Metallurgical and Materials Transactions B}, …
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In the separation of raw ore, Zhang Yanhua and Han Yuexin et al. used weak magnetics to enrich vanadium-titanium magnetite with strong magnetism, and then selected gravity separation, high gradient …
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The effects of basicity and temperature on the reduction process of Hongge high-chromium vanadium-titanium magnetite (HCVTM) sinter were investigated in this work. The main characterization methods of X-ray fluorescence (XRF), X-ray diffraction (XRD), scanning electron microscope (SEM), and metallographic microscope were …
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2.1. Materials. In this experiment, vanadium-titanium magnetite concentrate from Wuling, Xinjiang was used as raw material, and its chemical composition is depicted …
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The metallization reduction-magnetic separation process was adopted to carry out the experiments to promote the recovery ratio of valuable elements by adding diboron xide additive in this work. It is demonstrated that diboron xide has the …
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International Journal of Minerals, Metallurgy and Materials - The reduction of vanadium titano-magnetite pellets by H2–CO at temperatures from 850 to 1050°C was investigated in this...
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In this study, a scandium concentrate with Sc2O3 content of 66.24 g/t was obtained from V-Ti magnetite tailings by physical concentration, and the main Sc-bearing minerals were augite and hornblende. A novel process of roasting and leaching was proposed to extract scandium from scandium concentrate with titanium dioxide …
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The new process of metalizing reduction and magnetic separation based on hot briquetting demonstrates the evident technological advantages of high efficiency …
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As the titanium industry rapidly develops, low-grade ilmenite resources are drawing global attention. The direct use of low-grade ilmenite can result in low production efficiency and heavy pollution. In addition, the production of high-titanium slag via electric furnace melting consumes significant energy and possesses low production efficiency. …
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The metallization reduction-magnetic separation process was adopted to carry out the experiments to promote the recovery ratio of valuable elements by adding diboron xide additive in this work. It is demonstrated that diboron xide has the function of destroying Si–O–Si bond for the reduction of ultra-high-titanium magnetite.
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After optimization, under the melting conditions of alkalinity 1.2, the melting temperature 1500 °C and carbon content 15%, the content of Ti in slag can reach 18.84%, and the recovery rate is 93.54%. By detecting the content of Fe and V in molten iron, the recovery rates are 99.86% and 95.64%, respectively. Keywords: alkalinity; carbon ...
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Mineralogical characteristics of the crushed ore of the deposit have shown a high degree of titanium-magnetite disclosure. The first stage of magnetic separation of crushed ore is an effective ...
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The fine fraction, as shown in Figure 18, is processed with low-intensity magnetic separation to achieve a magnetite concentrate and its tailings is processed with SLon pulsating high-gradient magnetic separators as shown in Figure 19 to achieve a hematite concentrate. These two concentrates are combined and upgraded in a reverse flotation ...
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Magnetite was the most abundant mineral phase accompanied by titanium with relatively high impurities (e.g., SiO 2, Al 2 O 3, CaO). To improve the recovery performance of vanadium (grade and recovery ratio), first magnetite and ilmenite had to be recovered as much as possible and then iron-based minerals were selectively separated …
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The vanadium titanium magnetite deposit in Panzhihua has abundant ilmenite resources. A flowsheet combining high gradient magnetic separation (HGMS) and flotation was applied to recover the ilmenite, which had defects of high production cost due to high flotation regent consumption, low ilmenite utilization rate of 20% as ultrafine …
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Low-intensity magnetic separation and pulsating high-gradient magnetic separation were, respectively, proposed to recover magnetite and limonite from the residue, and under the optimized conditions, a high-grade magnetite concentrate assaying 64.05% Fe with 85.59% magnetite recovery and a qualified limonite concentrate …
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tion–magnetic separation for different kinds of vana-dium–titanium magnetite, including low-, medium-, and high-titanium magnetite and high-chromium vana-dium–titanium …
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Vanadium titanomagnetite (VTM) is an important mineral for developing titanium resources, but the comprehensive recovery of ilmenite separation is extremely poor, resulting in the low-efficiency utilization of titanium resources. Here, the separation of ilmenite from VTM ore is studied by combining magnetic separation and flotation technologies. In …
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High chromium vanadium-titanium magnetite (HCVTM) is a typically complex polymetallic iron ore resource with abundant reserves in China. It is mainly deposited around the Panzhihua-Xichang
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