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The ore is roasted under reducing conditions to selectively reduce iron. The iron is then removed by magnetic separation, and the non-magnetic material leached in hydrochloric acid. This process also enables the recovery of a titanium dioxide by-product (Zhao et al., 2014). The production of by-products such as titanium dioxide, iron metal …
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The microwave-assisted reduction behaviours of two low-grade iron ores having a similar Fe content of 49wt% but distinctly different mineralogical and liberation characteristics were studied. Their performances in terms of the iron grade and recovery as obtained from statistically designed microwave (MW) roasting followed by low-intensity …
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Figure (PageIndex{2}): Three Common Ores. (left) Iron ore, (middle) Manganese ore – psilomelane, and (right) Lead ore – galena and anglesite. Most metals are found as types of rock in the …
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Test was made on separating iron from a ultra-low-grade vanadium titanium magnetite ore by a process of tailing discarding at a coarser size,staged grinding and staged low intensity magnetic ...
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Semantic Scholar extracted view of "Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic separation mechanism of titanium and iron minerals" by Wenbo Li et al. ... Effect of bastnaesite as reductant on hematite reduction during in-situ suspension magnetization roasting of refractory iron ore under neutral atmosphere.
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With 55.51% iron and 7.86% TiO 2, the ore is low-titanium beach titanomagnetite (TiO 2 < 8%) [17]. ... Therefore, the separation of titanium and iron is difficult [12], and the method of low-intensity magnetic separation was considered to remove pyroxene. Table 1.
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1. Introduction. Vanadium-titanium magnetite is a complex symbiotic iron ore resource composed of iron, vanadium, titanium and other metals, which is one of the most important iron ore resources in China [1,2,3,4].Titanium, as an indispensable metal raw material for the modern industry and advanced science and technology, is mostly …
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The results showed a magnetic concentrate with total iron grade of 56.39% and TiO2 content of 8.66% was obtained under a two-stage magnetic separation process (intensity: 0.8 and 0.2 T ...
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Titanium is the ninth most abundant element in the Earth's crust and it is present mainly in the form of ilmenite (40–80% TiO 2), rutile (~ 95% TiO 2), anatase (> 95% TiO 2), and leucoxene (> 65% TiO 2) [35,36,37,38].Major ilmenite deposits of the world are found in countries such as Australia (eastern and western coast), South Africa (Richards …
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The reduction iron powder, with 91.28% Fe grade, 0.93% TiO2 content and 89.19% total iron recovery including iron in the run-of-mine and blast furnace dust, is obtained after the roasted product ...
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In this study, a new process for producing pure titanium oxide from low-grade titanium ore is examined. Titanium ore is reduced to metallic iron and soluble titanium oxide, and then dissolved in an acid solution under hydrogen gas atmosphere to obtain a solution containing titanous ions, ferrous ions, and other soluble impurities.
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The metallization ratio, iron grade, and iron recovery ratio of the concentrate in these cases all exceed 90%, suggesting that reductive Bayer bauxite residue exhibits superior beneficiation performance. Furthermore, sodium carbonate plays a crucial role in facilitating the separation of iron and titanium in the absence of CaO.
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titanium processing, the extraction of titanium from its ores and the preparation of titanium alloys or compounds for use in various products. Titanium (Ti) is a soft, ductile, silvery gray metal with a melting point of 1,675 °C (3,047 °F). Owing to the formation on its surface of an oxide film that is relatively inert chemically, it has ...
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4.69 percentage points, from 77.41 wt% before upgrading to 82.10 wt% in the upgraded iron concentrate after the separation process. Although upgraded, the titanomagnetite content in the concentrate remains moderately low at 82.10%. Further magnetic separa-tion stages could potentially continue to increase the titanomagnetite …
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A new process comprising metallizing reduction, magnetic separation, and electroheat melting separation is proposed with the aim of achieving high recoveries of iron, vanadium, and titanium from ...
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Vanadium-titanium magnetite, a multi-metallic ore rich in iron, titanium, vanadium, and various other metals, plays a pivotal role in high-quality steel production and finds applications across diverse sectors, including aerospace, medical devices, and energy storage [1,2,3].While the mineral composition varies regionally, Chinese deposits …
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Lateritic iron ore is a typical complex ore containing abundant valuable metals such as iron, aluminum, chromium, nickel, and cobalt.1 Most treatment processes start with extraction of iron, because this is the dominant metal element in lateritic iron ore.2 Meanwhile, numerous studies have proposed beneficiation methods to recover …
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Fig. 2 illustrates the iron ore beneficiation process, particularly magnetic separation, resulting in the generation of inevitable tailings. Due to the characteristics of iron ores and the conditions during beneficiation, it is inevitable that approximately 2.5–3 tons of IOTs are generated for every 1 ton of iron ore concentrate produced [7].In 2019, …
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About Rutile Ore. Rutile is one of the main minerals containing titanium. It is brittle, with a hardness of 6-6.5 and a density of 4.2-4.3g/cm3. Those rich in iron, niobium, and tantalum will increase in density, and the higher ones can reach more than 5.5g/cm3. It can be dissolved in hot phosphoric acid.
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Vanadium titanomagnetite concentrate (VBT) is a kind of multi-metal element symbiotic compound ore, containing iron, vanadium, and titanium [].More than 85% of vanadium and 90% of titanium originate from VBT in China [2, 3].The western Liaoning area is another large deposit in China besides Panzhihua, which is …
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Titanium Ore Processing and Beneficiation. To develop a flowsheet for separation of high grade titanium-rutile from ilmenite, that will meet market requirements. Rutile has a SG of 4.2, hardness 6.0 to 6.5 and is non-magnetic; while ilmenite has a SG of 4.5 to 5.0, hardness of 5.0 to 6.0, and is weakly magnetic.
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Contribute to brblmd/sbm development by creating an account on GitHub.
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At the same time, the efficient utilization of valuable components such as iron, vanadium, titanium, and chromium in vanadium-titanium magnetite can also alleviate the problems caused by mineral ...
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Efficient separation of vanadium, titanium, and iron from vanadium-bearing titanomagnetite by pressurized pyrolysis of ammonium chloride-acid leaching-solvent extraction process ... This paper investigated a pellet ore production process in which vanadium was extracted from vanadium and titanium magnetite concentrates using …
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Semantic Scholar extracted view of "Separation and recovery of iron and titanium from oxidized vanadium titano-magnetite by gas-based reduction roasting and magnetic separation" by Yulei Sui et al. ... Improved beneficiation of nickel and iron from a low-grade saprolite laterite by addition of limonitic laterite ore and CaCO3. Hongyu Tian …
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The treatments through oxidation methods, such as iron ore sintering and oxidized pellets, are the most common and effective methods to recovery Fe in actual production. ... Gas-based reduction roasting magnetic separation process was conducted to separate and recover iron and titanium from oxidized vanadium titano-magnetite …
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The iron tailings of Bayan Obo can be regarded as the co-associated iron ore resources of refractory polymetallic ores, ... Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic separation mechanism of titanium and iron minerals. Adv Powder Technol, 33 (2) (2022), p. 103408.
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Grinding, sieving and magnetic separation were combined to recover metallic iron from the converter slag, and yielded approximately 41.5% of iron in which the iron content was as high as 85%, and ...
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The study aims at separating ilmenite from the iron tailings of a vandium-titanium magnetite ore in Panxi areaamong,which the content of TiO2 was 8.61%,and the main metallic minerals are ilmenite,pyrrhotite and pyrite.The main gangue minerals are augite,olivine,hornblende and chlorite.According to the properties of iron tailings,with the …
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Vanadium-titanium magnetite is a complex symbiotic iron ore resource composed of iron, vanadium, titanium and other metals, which is one of the most important iron ore resources in China [1,2,3,4].Titanium, as an indispensable metal raw material for the modern industry and advanced science and technology, is mostly derived from the …
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A water cooling treatment was applied in the coal-based reduction of high-chromium vanadium and titanium (V–Ti–Cr) iron ore from the Hongge region of Panzhihua, China. Its effects on the metallization ratio (η), S removal ratio (R S), and P removal ratio (R P) were studied and analyzed on the basis of chemical composition …
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Ti-isotope fractionation on the most Ti-rich minerals on Earth has not been reported. Therefore, we present a chemical preparation and separation technique for Ti-rich minerals for mineralogic, petrologic, and economic geologic studies. A two-stage ion-exchange column procedure modified from the previous literature is used in the current …
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At present, acidic wastewater is directly neutralized with lime or limestone, which wastes resources such as titanium, scandium, and iron and generates a great deal of solid waste. This study proposes a novel approach for the separation and recovery of titanium, scandium, and iron from acidic wastewater and red gypsum utilization. The recovery …
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Alternatively, the ore can be directly smelted, resulting in ferrotitanium alloy and vanadium-containing slag, which can be used to recover iron, titanium, and vanadium. However, it is important to note that the concentrate also contains adverse elements, such as 4.44% SiO 2, 4.37% Al 2 O 3, and 1.2% MgO, which can impact direct vanadium ...
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Vanadium-titanium magnetite ore benefication process, inclding below equipment: Ball mill; Spiral classifier; Magnetic separation; Dewatering machine; Filter machine; Thickener; Grinding: The raw ore enters the ball mill for grinding, and works together with the classifier to form a closed-circuit ring mill. Separation: After two stages …
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