Process Mineralogy of Vanadium Titanomagnetite …

Vanadium titanomagnetite (VTM) is a valuable multi-element symbiotic ore mainly composed of iron, vanadium, and titanium, as well as small amounts of chromium, nickel and cobalt [1,2,3]. The global resource reserves …

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The extraction of vanadium from titanomagnetites and other sources

Vanadium does not form concentrated deposits like other metals such as copper, nickel or zinc. It is widely dispersed in the Earth's crust, with V 3+ replacing Fe 3+ or Al 3+ in a number of minerals. Vanadium as V 3+ can substitute for Fe 3+ in magnetite (Wenk and Bulakh, 2004); vanadium(III) and iron(III) ions have near identical ionic radii in octahedral sites of …

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Reduction behavior of vanadium-titanium magnetite carbon composite …

The reduction behavior of a new type of blast furnace burden named vanadium‑titanium magnetite carbon composite hot briquette (hereinafter abbreviated as VTM-CCB), including fraction of reaction (f), reduction shrinking, crushing strength after reduction, phase transformation of valuable elements, and softening-melting-dripping behavior, were …

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Vanadium–titanium magnetite ore blend optimization for …

Vanadium titanium magnetite (V–Ti) ore is one kind of important polymetallic minerals in China and the mainstream route of comprehensive utilization process is blast furnace (BF) → basic oxygen furnace (BOF). V–Ti sinter is one of the main burdens employed for BF and poor tumbler strength (TI) limits its efficiency. In order to optimize the V–Ti blends for sinter TI, …

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Mineralogical reconstruction of Titanium-Vanadium hematite …

Vanadium ore mainly includes vanadium-titanium magnetite and weakly magnetic iron ore containing vanadium and titanium, such as vanadium-titanium hematite, vanadium-titanium limonite, vanadium-titanium hematite-limonite; the former of which is the main source of vanadium, with more than 80% of the world annual output of vanadium coming from ...

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Experimental study on parameters optimisation of adding …

Better preparation parameters of roasted pellets were as follows: water ratio was 9%, bentonite ratio 2%, vanadium-titanium magnetite ratio 25%, CaO ratio 1% and roasting …

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Efficient separation of vanadium, titanium, and iron from vanadium …

The method first sinters the raw ore into a spherical shape or a block shape, and then selectively reduces iron and vanadium through blast furnace roasting to form a vanadium-rich molten iron, while the element titanium enters the slag in the form of TiO 2 [1]. Subsequently, the vanadium slag and the semi-steel are obtained by blowing the ...

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Process Mineralogical Analysis of a Typical Vanadium Titano …

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

The company stated that it is continuing to evaluate its development options for Barrambie, considering either direct shipping ore or integrated titanium-vanadium production 19. The project is located approximately 65 km north-northwest of Sandstone in Western Australia, and is hosted by the Meeline Suite of layered mafic intrusions.

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Titanium (Ti) Ore | Minerals, Formation, …

Occurrence and distribution of titanium ore in nature. Titanium is the 9th most abundant element in the Earth's crust, occurring primarily in the form of minerals known as titanium ores. The most common titanium minerals are …

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Efficient separation of vanadium, titanium, and iron from vanadium …

The vanadium–bearing titanomagnetite (VBT) is a strategic and complex iron ore, which containing valuable metals of vanadium, titanium, and iron used as constituents of several alloys, whitepigments, and steel [1], [2], [3].In China, the gross reserve of titanium in VBT ore is estimated to be about 1.18 million tons, accounting for 93% of China's total domestic reserve of …

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Numerical Simulation of Vanadium–Titanium Blast Furnace …

The blast furnace smelting of vanadium–titanium ore plays a crucial role in the efficient utilization of vanadium-titanium resources. In this research, a detailed numerical simulation study of the temperature, velocity, and concentration fields during the smelting process in a vanadium–titanium blast furnace was conducted. The actual production data from a 1750 …

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Process Mineralogical Analysis of a Typical Vanadium Titano …

Vanadium titano-magnetite concentrate (VTM) is a widely occurring multi-metal associated iron ore. The main components of VTM are iron, titanium, and vanadium, which …

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Vanadium ore resources of the African continent: State of …

In the historically proven vanadium-titanium deposit in the Mberengwa area, drilled cores report average of 0.56% V 2 O 5 and 5.5% TiO 2 in association with magnetite seams having a thickness up to 10 m (Northern Shaft, 2020). This area is situated within the northern zone of the Limpopo Metamorphic Belt, where granulite-gneisses are widespread.

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Preparation, Sintering Behavior and Consolidation Mechanism of Vanadium

Vanadium-titanium magnetite (VTM) ore is the main source of V, Ti, and Fe in nature with a high comprehensive utilization value [1,2,3]. China is one of the countries which has the richest resources of VTM in the world. At present, the mainstream route for VTM's comprehensive utilization is the transition from a blast furnace to a basic ...

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Hydrogen reduction behaviors and mechanisms of vanadium …

Vanadium titanomagnetite (VTM) is a polymetallic ore that contains iron, vanadium, titanium, and other rare metal elements [[1], [2], [3]].The iron, titanium and vanadium play a significant role in modern industry, and are widely used in steel manufacturing, aerospace, military, medical and other advanced materials fields [[4], [5], [6]].At present, the blast furnace …

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Reduction disintegration behavior of vanadium …

An effective and cleaner process to recovery iron, titanium, vanadium, and chromium from Hongge vanadium titanomagnetite with hydrogen-rich gases. Ironmak. Steelmak., 48 (2021), pp. 33-39. ... Hydrogen reduction behaviors and mechanisms of vanadium titanomagnetite ore under fluidized bed conditions. Powder Technol., 402 (2022), Article 117340.

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Separation and Recovery of Iron from Vanadium …

Abstract Vanadium titanomagnetite (VTM) is a complex polymetallic symbiotic mineral dominated by iron, titanium, and vanadium. Iron extraction from VTM is an issue for the utilization of Vanadium titanomagnetite concentrate. In this work, flotation method combined with magnetic sorting was proposed to separate and recover the iron resources from VTM. The …

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Present Status and Development of Comprehensive Utilization of Vanadium

The main products of vanadium-titanium magnetite beneficiation are titanium iron concentrate (iron ore) containing about 50% of titanium in V-Ti magnetite, ilmenite concentrate containing about 50% of titanium, and cobalt sulfide concentrate [1,2,3,4].Titanium iron concentrate is mainly used for iron making through blast furnace process, which produces a …

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Characterization and Pre-Concentration of Low …

A magnetic separation process was investigated for the pre-concentration of low-grade vanadium-titanium magnetite ore. The results …

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Study on Current Technology of Vanadium Extraction from Vanadium …

Vanadium and titanium in the ore selectively enter the slag phase to obtain vanadium titanium slag, which is then subjected to wet vanadium and titanium extraction. Electric furnace deep reduction is the deep reduction of the products obtained by reduction at a higher temperature in the electric furnace. Vanadium in the ore is reduced and ...

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Enhancing Reduction Separation and Efficient Recovery of Iron, Vanadium

Materials. Table I shows the chemical composition of the ultra-high-titanium vanadium–titanium magnetite concentrate (<75 μm) used in the experiment. The data clearly reflect the mine's low-iron, high-vanadium, and ultra-high titanium characteristics. The X-ray diffraction (XRD) pattern of the raw ore in Figure 1 shows that the phases of the concentrate …

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Titaniferous Magnetites as a Source of Vanadium, …

Over recent years, a lot of work has been undertaken to process lower grade titaniferous (8-16% TiO 2) magnetite deposits to produce vanadium, titanium pigment and iron oxides using …

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Fusion Separation of Vanadium-Titanium Magnetite and …

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 …

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Reduction disintegration behavior and crystallographic …

Vanadium-titanium magnetite is a significant source of iron, vanadium and titanium, accompanied by a variety of valuable elements, which is internationally recognized as a strategic mineral [1, 2].Currently, the comprehensive utilization of vanadium-titanium magnetite mainly includes blast furnace process and non-blast furnace process [3, 4].In the smelting process, …

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Reduction behaviors of vanadium‑titanium magnetite with H

The chemical compositions of vanadium‑titanium magnetite ore are presented in Table 1, which were determined by chemical methods combined with X-ray fluoroscopy (XRF). The vanadium‑titanium magnetite ore contained 47.58 wt% Fe, 20.00 wt% TiO 2 and 0.80 wt% V. According to the analysis results of X-ray diffraction (XRD) (Fig. 1) and mineral ...

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Development process and trends of vanadium extraction from vanadium

The development process and current situation of vanadium extraction from vanadium-titanium magnetite ore were introduced in the paper.The advantages,disadvantages,main process parameters and technical indexes of vanadium extraction process were represented,too.Aiming at the typical disadvantage of present vanadium extraction process,the further study direction of …

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High-Efficiency Smelting Separation of Vanadium–Titanium …

Efficient utilization of vanadium–titanium magnetite can be achieved by high-temperature pyrometallurgical smelting separation of the material. The fusibility of …

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Behavior of vanadium during reduction and smelting of vanadium …

The addition of MgO in the slag to increase the slag optical basicity can not only improve the vanadium reduction but also promote the formation of magnesium-containing anosovite, which is beneficial to following titanium extraction. Key words: vanadium; vanadium titanomagnetite; vanadium distribution ratio; electric-furnace titanium slag; MgO ...

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