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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 the non-magnetic concentrate contains 8.56% vanadium with a yield of 95.3% and 8.63% titanium with a yield of 85.3%.
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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 …
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SYNOPSIS. A new process comprising metallizing reduction, magnetic separation, and electroheat melting separation is proposed with the aim of achieving high recoveries of …
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The abundance of vanadium on the earth ranges from 0.02% to 0.03%. Although it is widely distributed, it does not form independent deposit. Vanadium resources mainly exist in vanadium-titanium magnetite, accounting for more than 88% of the total vanadium reserves [1]. From a global perspective, the reserves of vanadium-titanium …
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The dumping of a large amount of steel slag not only wastes metal resources, but pollutes the ecological environment. In this study, a method for recovery of vanadium, titanium, iron, magnesium, and synthesizing anhydrite from steel slag is proposed. The leaching efficiency of V, Ti, Fe, and Mg was 99.42%, 99.36%, 99.89%, and 99.95%, …
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Vanadium–titanium magnetite is an important Fe, V, and Ti resource with a highly comprehensive utilization value [1–3]. Chinese vanadium–titanium magnetite reserves are plentiful but underutilized, with over 18 billion tons of proven vanadium and titanium magnetite reserves in China as of 2019 [4]. However, because of the complex …
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A method for processing vanadium titano-magnetite relates to a method for preparing iron powder and titanium concentrate from vanadium titano-magnetite by boiling roasting and magnetic separation. The method is characterized in that the treatment process sequentially comprises the following steps: (1) crushing and grinding the vanadium …
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The titanium mineralisation is found in ilmenite, which forms a secondary oxide phase. The proven and probable mineral reserves of the Maracás Menchen mine were estimated at 60.36 million tonnes (Mt) grading 0.79% V 2 O 5 and 8.24% titanium dioxide (TiO 2 ), as of October 2021.
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To date, the main raw materials for vanadium recovery were converter vanadium slag 7,8,9, stone coal 10,11,12, steel slag 13 and waste catalyst materials 14,15. A considerable number of ...
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Vanadium-containing titanium magnetite is the main source of V and Ti in the internal market. About 75% Fe, 82% V, and 44% Ti pass into iron concentrate during ore enrichment [].Therefore, the question of how to improve comprehensive utilization of vanadium-titanium magnetite concentrate (VTMC) is of decisive importance for the …
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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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Vanadium titanium black porcelain was produced after adding a certain proportion of vanadium extraction tailings (25–) in traditional ceramic materials. The general production process of vanadium titanium black porcelain is shown in Fig. 1. Vanadium titanium black porcelain with different formulations has different properties …
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1. Introduction. Vanadium titano-magnetite (VTM) is a polymetallic symbiotic iron ore primarily containing iron, vanadium, and titanium. Iron minerals and titanium-bearing minerals coexist closely, primarily in the form of the strongly magnetic titanium magnetite and weakly magnetic ilmenite; however, vanadium-bearing minerals are …
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The results show that the single-stage vanadium stripping percentage reached 93.12%, and the vanadium concentration in the single-stage stripping solution reached 13.44 g/L under optimum conditions: the H 2 SO 4 concentration of 1.87 mol/L, the H 2 C 2 O 4 concentration of 0.16 mol/L, the temperature of 80 °C, the time of 30 min, …
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In recent years, a low-grade vanadiferous titanomagnetite concentrate (LVTC) produced in the northwest area of Liaoning has attracted more and more attention. However, it is difficult to recover and …
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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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South African vanadium–titanium magnetite is a complex mineral resource rich in iron, vanadium, titanium, and chromium [1,2,3].Its ore composition is composed of more than 20 elements [4,5,6].It is the most complex ore of its type in the world and contains more than 10 valuable elements, so it has a very important integrated utilization value.
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Separation Of Vanadium And Titanium OreBall Mills, separating vanadium titanium and iron ore. separation of vanadium and titanium from iron oreSelective oxidation of Vanadium prior to Iron and Know More LKAB in northern Sweden have vanadium and titanium dissolved in the magnetite [2] The ore consists of After cooling the slag is …
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The blast furnace smelting process for vanadium titania-magnetite is shown in Fig. 1.The low concentration of TiO 2 with about 1.5 wt.% in the primary mineral can be enriched into titania-bearing slag with more than 20 wt.% TiO x, 29,30 as shown by the composition range in Table I; other oxides including CaO, MgO, SiO 2, and Al 2 O 3 are …
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Abstract and Figures. To effectively recycle and utilize vanadium and titanium resource from the vanadium slag, the crystallization and separation behaviors of V-spinel phase and Ti-spinel phase ...
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The leaching rates of vanadium, titanium and iron (η) was defined as follows: (1) η = w × c 1 × v 1 m 0 × β × 100 % where c 1 was the concentrations of vanadium, titanium and iron. v 1 were the volume of leaching solution. w was the dilution factor. m 0 and β were the quality of vanadium titanomagnetite concentrate and grade of vanadium ...
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Mechanism on the Separation of Vanadium and Titanium from Vanadium Slag by Roasting with Ammonium Sulfate. Authors: Guoquan Zhang. Kun Wang. Mingzhi …
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Fusion Separation of Vanadium-Titanium Magnetite and Enrichment Test of Ti Element in Slag. S. Yang Shouman Liu Shijie Guo Tiantian Zhang ... In view of the problem that the enrichment and migration law of the Ti element in the slag of vanadium-titanium magnetite during the melting process is not clear, the phase transformation is …
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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 at more than 20 billion tons. A mineralogical study of raw sample indicated that it was a typical low-grade vanadium-titanium magnetite ore with weathering. Most of …
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titanium slag from vanadium tailings by direct reduction– magnetic separation technique. However, the effect of Fe– Ti separation is not satisfied enough to get high-quality products of magnetic separation. [8, 9]. It is of significant meaning to solve the problem of Fe–Ti separation of vanadium tailings for the comprehensive utilization of
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The separation of titanium, vanadium and chromium in vanadium slag (VS) is a difficult problem restricting the comprehensive utilization of VS. This paper presents the first study on the separation of titanium, vanadium and chromium from oxalic acid leachate of VS. Firstly, the separation of titanium from the leachate by hydrothermal …
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This paper proposes a new technique for preparation of high-grade titanium slag from Panzhihua vanadium titanomagnetite concentrate by reduction–melting–magnetic separation processing. Chemical analysis, x-ray diffraction, and scanning electron microscopy in conjunction with energy-dispersive spectroscopy …
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Vanadium Ore CrusherBall Mills Grind Stone In The Vanadium. Grinding Mill - Heavy Ore Vanadium For Mill Ball Grinding. wet rod mill for vanadium ore heavy Major Mines amp Projects BlackRock Project The ball mill will be 64 m x 107 m and contain a 35 ball charge The final product will be 80 minus 75 microns This grinding mill can process up …
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