Vanadium mobilization and redistribution during mineral …

A large amount of vanadium-titanium (V-Ti) magnetite tailings are generated in the iron (Fe) concentrate recovery process in this mining area (Li et al., 2020a). These tailings from large-scale mining activities are usually dumped in dams and become one of the main sources of potential V contamination due to a mass of V still …

Vanadium mobilization and redistribution during mineral …

A large amount of vanadium-titanium (V-Ti) magnetite tailings are generated in the iron (Fe) concentrate recovery process in this mining area (Li et al., …

3D Microstructure and Micromechanical Properties of …

It can be found from Table 1 that vanadium-titanium sinter has more gangue minerals than traditional sinter, but the FeO content in the two sinters is similar. From Table 2, it can be observed that the vanadium-titanium sinter has a lower reduction index (RI), less tumbler index (TI), and greater reduction degradation index (RDI-3.15) compared to the …

Mount Peake Vanadium-Iron-Titanium Project

Australian resource company TNG plans to start construction on the Mount Peake vanadium -iron-titanium project located in the Arunta province of Northern Territory, Australia, in 2017 . A prefeasibility study completed in July 2012 called for a 20-year mine life at an ore production rate of five million tonnes per annum (Mtpa).

titanium from magnetic vanadium iron ore

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Gas-based reduction of vanadium titano-magnetite …

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...

Optimized magnetic separation for efficient recovery of V …

They reported that a vanadium‑titanium magnetite concentrate containing 1.14% V 2 O 5, 22.22% TiO 2, 42.51% Fe, and a concentrate of ilmenite containing …

Titaniferous magnetites as a source of vanadium titanium …

Titaniferous magnetite hard rock deposits are common throughout the world. Previously they have been processed to recover vanadium using the standard salt roast process, however the economics based on vanadium alone can be marginal due to the high CAPEX and OPEX, making it vulnerable in a volatile vanadium market. New Zealand Steel and …

Enrichment and reconfiguration of titanium-bearing phase …

The reserves of vanadium–titanium magnetite exceed 18 billion tons [], accounting for over 90 wt.% of China's titanium resource reserves [2, 3].At present, the blast furnace method of smelting vanadium–titanium magnetite only recovers Fe and a part of V [].Due to the low titanium content [5, 6] and the difficulty in dissociating the Ti …

Materials | Free Full-Text | Fusion Separation of Vanadium-Titanium …

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 …

A new process for the recovery of iron, vanadium, and titanium …

The particle sizes of VTM and reduction coal are ground to less than 0.074mm. As listed in Table 1, the VTM from PanXi area of China contains 53.91% Fe and 13.03% TiO 2, and the main minerals in ...

Effect of Smelting Time on Vanadium and Titanium …

Vanadium–titanium magnetite is an important Fe, V, and Ti resource with a highly comprehensive utilization value [1,2,3].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 [].However, because of the complex …

iron sand reduce titanium and vanadium – Grinding Mill China

Gulin Least News. mainan kereta aki,thomas, murah aja,2 macam rel » The More » iron sand reduce titanium and vanadium » konstruksi baja besi bentangan 30 m » acid oxidation pretreatment of refractory gold ore prior to conventional gold recovery » toko pompa air murah di kenari mas jakarta » m sand price at kerala thrissur and palakkad …

Assembly processes and ecological dynamics of root

1. Introduction. Vanadium-titanium magnetite (V–Ti) mine tailings are the mining residues following the extraction of valuable metallic segments from the magnetite (iron ores) (Ju et al., 2021).The disposal of substantial quantities of these tailings is typically achieved through deposition into impoundments, nestled within mountainous terrains …

Comprehensive Utilization of Vanadium Extraction Tailings: A …

The research on making vanadium titanium black porcelain from vanadium extraction tailings has been carried out by the institute of new materials, Shandong …

The extraction of vanadium from titanomagnetites and other sources

As the majority of vanadium is added to steel, the annual demand for vanadium tends to follow the annual demand for steel (Leont and Shavrin, 2000, Raja, 2007).Stricter regulations around the use of high-strength steel have however increased the demand for vanadium as a steel additive (Anon, 2011).The remainder of vanadium is …

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 …

Metals | Free Full-Text | Vanadium–Titanium Magnetite …

This paper investigated a pellet ore production process in which vanadium was extracted from vanadium and titanium magnetite concentrates using sulfuric acid leaching. Calcium and magnesium were added to the iron ore concentrate during pellet production to produce calcium vanadate and magnesium vanadate after roasting. The …

Smelting Reduction Characteristics and Mechanism of Vanadium–Titanium

The calcium hydroxide (Ca(OH) 2) was used as fluxes to adjust the basicity of vanadium–titanium magnetite carbon-bearing pellet.Its purity was 95%. 2.3 Smelting Reduction Experimental Method of Vanadium–Titanium Magnetite Carbon-Bearing Pellet. Firstly, a certain amount of vanadium–titanium magnetite, coal and Ca(OH) 2 …

Vanadium mobilization and redistribution during mineral

Due to the long-term open stockpile, the release of vanadium (V) from V-containing tailings will cause continuous V pollution in the mining area. ... Vanadium mobilization and redistribution during mineral transformation of vanadium-titanium magnetite tailings with different weathering degrees Sci Total Environ. 2023 Jun 23;894:165068. doi: 10. ...

High-Temperature Oxidation Behavior of Vanadium, Titanium …

Oxidation process of pellet is mixed-controlled by chemistry reaction and diffusion with activation energy 39. 66 kj/mol in the temperature range of 1173–1273 K. When oxidation temperature is higher than 1 273 K, the limited link of oxidation reaction is the diffusion control with the activation energy 20. 85 kj/mol.

Multiple heavy metal distribution and microbial community

Vanadium-titanium (V-Ti) magnetite tailings have caused great concern due to their safety hazards and environmental risks. However, the microbial community structure and the key geochemical factors of V-Ti magnetite tailing profiles under different management modes remain unclear. Therefore, we investigated the heavy metal …

High-Efficiency Smelting Separation of Vanadium–Titanium …

The experimental results show that maintaining a certain carbon content in the reduction products of vanadium–titanium magnetite is conducive to the reduction of …

Simultaneous extraction of vanadium and titanium from vanadium …

1. Introduction. Vanadium is an important strategic metal and is widely used in the iron and steel industry, as well as in non-ferrous alloys due to its excellent hardness, tensile strength, and corrosion resistance [1].Vanadium accounts for only 0.02% of the crustal weight, which although is a higher abundance than that of copper, zinc, and …

Bond strengths of transition-metal dimers: titanium-vanadium…

An oxygen-passivated vanadium cluster [[email protected] 10 O 15 ] − with metal–metal coordination produced by reacting V n − with O 2. Physical Chemistry Chemical Physics 2021, 23 (2), 921-927.

Preparation, Sintering Behavior and Consolidation Mechanism of Vanadium

High-quality oxidized pellets are the basis to achieve high-efficiency utilization of vanadium–titanium magnetite (VTM) ores. Bentonite was used as a binder of VTM. The main phase composition of VTM is titanomagnetite and ilmenite. When the amount of bentonite is 1%, the compressive strength and dropping strength of VTM …

Preparation and Modification of Heterogeneous Vanadium …

Over few recent decades vanadium-titanium-based catalysts have been widely used in chemical, petroleum and environmental industries, such as partial …

Efficient Degradation of Organic Dyes Using Vanadium

The recycling of mineral tailings is an important research topic. In this work, composite material was prepared using vanadium titanomagnetite (VTM) tailings, kaolin and sodium silicate, and used as a photocatalyst for photocatalytic degradation organic dyes. The results showed that the photocatalytic material has good photocatalytic performance on …

Barrambie Vanadium Titanium Project

The Barrambie vanadium-titanium project, located approximately 75km northwest of Sandstone in Western Australia, is one of the highest-grade titanium-vanadium hard-rock deposits in the world. The property is owned by Neometals, a metals developer based in Perth, Australia, which has invested more than £16m ($21m) on the project since 2003.

Optimized magnetic separation for efficient recovery of V …

They reported that a vanadium‑titanium magnetite concentrate containing 1.14% V 2 O 5, 22.22% TiO 2, 42.51% Fe, and a concentrate of ilmenite containing 16.05% TiO 2 and 20.77% Fe were obtained according to the different magnetic intensities in the range of 0.4–0.8 T. However, because there is no explanation for the vanadium …

Chengyu Vanadium & Titanium Technology Co Ltd

Chengyu Vanadium & Titanium Technology Co., Ltd. 5036858571 E100000127197 Table 3: Process and Products. Phase Steel product category Steel products Steel sector end users ISO 14001 Main production equipment Detailed production equipment; Main plant finished rolled:

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 …

Mineralogical reconstruction of Titanium-Vanadium hematite …

1. Introduction. Titanium and vanadium are strategically important resources [1].Titanium alloys have significant application value and broad application prospects in aviation, aerospace, biomedical engineering, and other fields [2], [3].Vanadium is an indispensable element in industrial fields such as steel, nonferrous metals, chemicals, …

A first principles analysis of oxidation in titanium alloys with

We carry out first principles computations to understand mechanisms of oxygen accommodation on titanium surfaces doped with aluminum and vanadium. Our findings provide explanation in an atomistic level on why titanium alloys such as Ti-6Al-4 V (6 wt. % Al, 4 wt. % V, balance Ti) have a better oxidation resistance than commercially …