Optimized magnetic separation for efficient recovery of V …
Optimized magnetic separation for efficient recovery of V and Ti enriched concentrates from vanadium-titanium magnetite ore: Effect of grinding and magnetic intensity | …
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Phase transformation and slag evolution of vanadium–titanium magnetite …
The formation of Ti(C,N) would result in slag ing, high viscosity of slag, difficulty in slag–iron separation and low desulphurization, which seriously deteriorates the running conditions of BF. Aiming to improve the operation conditions of BF, it is necessary to add ordinary iron ore to decrease the titanium oxide content in slag [18 ...
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Enhancing Reduction Separation and Efficient Recovery of
For the non-blast furnace process, researches have been focused on the gas-based direct reduction-electric furnace smelting separation and coal-based direct …
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Mineralogical reconstruction of Titanium-Vanadium …
Ti and V minerals could be effectively separated and enriched by magnetization roasting. •. Vanadium-hematite was reduced to magnetite during …
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Recovery of Fe and V via selective reduction–magnetic …
Recovery of Fe and V via selective reduction–magnetic separation of vanadium-titanium magnetite concentrate Liwei Liu 1 ... Hebei Province, China. The ore sample comprises 61.08% TFe, 7.66% TiO ...
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A method for recovery of iron, titanium, and vanadium from …
The VTM ore contained magnetite and ilmenite as the major minerals, from which a concentrate produced from magnetic separation was used as feed material. The vanadium content in the concentrate ...
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Effect of reverse flotation on magnetic separation …
separation techniques used in the disassembly of magnetite found in magnetite ore deposits to produce high-grade products. The collective performance of these techniques can determine whether ore deposits are commercially viable or not. In recent years, extensive studies had been conducted on the magnetic separation of valuable …
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Enhancing Reduction Separation and Efficient Recovery of
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 …
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Fusion Separation of Vanadium-Titanium Magnetite and …
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 …
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(PDF) Separation Analysis of New Magnetic Separator for …
Abstract and Figures. To achieve the utilization of fine ilmenite (especially −0.075 mm) produced in the titanium-magnetite processing plant in Panzhihua, a radial turbulent outer-cylinder ...
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Optimized magnetic separation for efficient recovery of V …
We present an optimized magnetic separation process to improve the recovery of high-content vanadium and titanium concentrates from vanadium‑titanium magnetite (VTM) ore. The ore chunks were crushed using jaw crushers and then …
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Separation of Ilmenite from Vanadium Titanomagnetite …
Here, the separation of ilmenite from VTM ore is studied by combining magnetic separation and flotation technologies. In particular, the floatability of mixed MOH/PG-1 collectors is thoroughly investigated. The results show that a concentrate with a TiO2 grade of 9.90% can be separated via weak magnetic separation and coarse …
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Recovery of Iron-, Titanium-Bearing Constituents from Bauxite Ore
As the main titanium-bearing minerals in the bauxite ore residue were titanomagnetite, kassite, and sodium tri-titanate (Fig. 2), magnetic separation process can be conducted to recover iron and titanium due to the magnetic character of titanomagnetite, and the remaining titanium could be further recovered from non …
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Efficient separation of vanadium, titanium, and iron from …
To realize the efficient separation of valuable metals from VBT ore, pressurized pyrolysis of ammonium chloride-acid leaching process was carried out using the reaction kettle under different ammonium chloride dosage, pyrolysis temperature, and time. ... Vanadium slag (VS) is a by-product of vanadium titanium magnetite BOF …
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A method for recovery of iron, titanium, and vanadium from …
An innovative method for recovering valuable elements from vanadium-bearing titanomagnetite is proposed. This method involves two procedures: low-temperature roasting of vanadium-bearing titanomagnetite and water leaching of roasting slag. During the roasting process, the reduction of iron oxides to metallic iron, the …
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Process Mineralogical Analysis of a Typical Vanadium Titano-magnetite …
In this manuscript, process mineralogical analysis of a typical vanadium titano-magnetite concentrate was investigated thoroughly. The specific phase composition of VTM is 84.11% titanomagnetite, 6.52% hematite-limonite, 1.41% ilmenite, 3.87% olivine and 3.31% alumina. Iron in the VTM ore primarily exists in the form of titanomagnetite ...
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(PDF) FEASIBILITY OF FLUXLESS SMELTING OF …
Titanium-bearing magnetite ore is generically defined as magnetite with > 1% titanium dioxide (TiO2) and is usually vanadium-bearing. The iron and titanium occur as a mixture of magnetite (Fe3O4 ...
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Fusion Separation of Vanadium-Titanium Magnetite and …
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 …
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Enrichment and reconfiguration of titanium-bearing phase in …
To comprehensively utilize the low-iron high-vanadium–titanium magnetite, a new method of vortex smelting reduction of vanadium–titanium …
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High-Efficiency Extraction of Fe, V, and Ti from Vanadium …
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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Efficient separation of vanadium, titanium, and iron from …
1. Introduction. 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, …
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Strengthening liberation and separation of magnetite ore via magnetic
To determine the phase composition of iron minerals in the raw ore, iron phase analysis of the ore was performed, and the results are presented in Table 2.It can be observed from Table 2 that the iron in the ore occurred primarily in magnetite with a content of 51.97%. The total amount of iron in the hematite, iron carbonate, pyrite, and …
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DRY MAGNETIC SEPARATION OF MAGNETITE ORES
The optimum grade that could be obtained from single-stage dry magnetic separation was 35.52% Mn, and with a Mn:Fe ratio of 1.77, and 44% Mn recovery in the case of sample 1; whereas, a 33.75% Mn grade, with a Mn:Fe ratio of 1.66 at Mn recovery of 44% was reported for Sample 2. It was observed that both samples had a similar input chemistry ...
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Magnetic Separation Behavior of V, Ti, and Fe of
Request PDF | On Feb 1, 2021, Yosep Han and others published Magnetic Separation Behavior of V, Ti, and Fe of Fractured Products from Domestic Vanadium Titanium-Magnetite (VTM) Ore | Find, read ...
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Metalizing reduction and magnetic separation of …
Metalizing reduction and magnetic separation of vanadium titano-magnetite based on hot briquetting ... and the recovery ratios of iron, vanadium, and titanium are as high as 91.19%, 61.82%, and 85.31%, respectively. ... magnetite; hot briquetting; ore reduction; magnetic separation 1. Introduction Vanadium titano-magnetite (VTM) owes its ...
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High-Efficiency Smelting Separation of …
Keywords Vanadium–titanium magnetite · Smelting separation · Electric furnace smelting · Ecient utilization of iron ore Introduction South African vanadium–titanium magnetite is a complex mineral resource rich in iron, vanadium, titanium, and chro-mium [1–3]. Its ore composition is composed of more than 20 elements [4–6].
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Experimental Research on Comprehensive Recovery of Iron and Titanium
For comprehensive recovery and utilization of low grade vanadium titanium magnetite ore, detailed experimental research were carried out. When using the beneficiation process com-bined with dry discarding of tailings, stage grinding and stage separation, the qualified iron concen-trate with a yield of 13. 65%,TFe grade of 54. …
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High-Efficiency Smelting Separation of Vanadium–Titanium Magnetite …
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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New insights on scandium separation from scandium
Iron and titanium were recovered from the Sc-bearing V-Ti magnetite tailings by magnetic separation, flotation, and gravity separation. The scandium concentrate with Sc 2 O 3 content of 66.24 g/t was obtained by electric separation, and the particle size of the scandium concentrate was less than 0.074 mm.
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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 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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