vanadium titanium magnetite sag mill

Reduction behaviors of vanadium‑titanium magnetite with …

The vanadium‑titanium magnetite with 67% passing 0.074 mm was taken from Chaoyang city, Liaoning province, China. 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 …

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Kinetics and mechanism of coal-based direct reduction of

High-chromium vanadium–titanium magnetite (HCVTM) is a valuable resource containing metal elements such as iron, vanadium, titanium, and chromium. To recycle these elements, direct reduction is an efficient way. The mechanism and reaction kinetic parameters for the direct reduction of HCVTM were studied. Experimental results …

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Characterization and Pre-Concentration of Low-Grade Vanadium-Titanium …

A vanadium-titanium magnetite concentrate with 1.14% V2O5, 22.22% TiO2, 42.51% Fe and a rough concentrate of ilmenite with 16.05% TiO2, 20.77% Fe were obtained from low-grade vanadium-titanium ...

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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 …

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Efficient Extraction of Vanadium from Vanadium–Titanium Magnetite

In this paper, potassium salt roasting additives were applied to extract vanadium from vanadium–titanium magnetite concentrate. Meanwhile, the mechanisms of potassium salt roasting and acid leaching kinetics were investigated. The results indicate that potassium salt roasting additives are more efficient than sodium and calcium salt and …

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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 …

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Optimized magnetic separation for efficient recovery …

We present an optimized magnetic separation process to improve the recovery of high-content vanadium and titanium concentrates from vanadium‑titanium …

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Titaniferous Magnetites as a Source of Vanadium, …

Titaniferous Magnetites as a Source of Vanadium, Titanium and Iron. Damian Connelly1. 1. Principal Engineer, METS Engineering Group, Perth WA. Email: …

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Extraction of Vanadium from Low-vanadium Grade Magnetite …

DOI: 10.1016/j.jmrt.2021.11.039 Corpus ID: 244094835; Extraction of Vanadium from Low-vanadium Grade Magnetite Concentrate Pellets with Sodium Salt @article{Zhang2021ExtractionOV, title={Extraction of Vanadium from Low-vanadium Grade Magnetite Concentrate Pellets with Sodium Salt}, author={Shuhui Zhang and …

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Promoting low-temperature consolidation of vanadium titano-magnetite …

1. Introduction. Vanadium titano-magnetite (VTM) is a typical multi-metal composite ore resource rich in iron, titanium, and vanadium. It is widely distributed in China, Russia, Indonesia, New Zealand, and other regions [1].The vanadium contained in VTM has extensive applications in aerospace and mechanical manufacturing, while …

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Study on Sintering Characteristics of Ultra-Poor Vanadium-Titanium …

Artificial rich ore for blast furnace use can be produced by sintering ultra-poor vanadium-titanium magnetite (PVTM) with a high-grade iron concentrate. Here, acid (R = 0.33, 0.50), self-fluxing (R = 1.10), and high-basicity (R = 2.60) PVTM sinters were produced in a sinter pot. Their performances were determined using the comprehensive …

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Vanadium extraction from steel slag: Generation, …

The smelting process of vanadium and titanium magnetite produces vanadium-bearing steel slag, a key material for vanadium extraction. Herein, …

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Phase Evolution Behavior and Oxidation Induration …

The quality of vanadium–titanium magnetite sinters is poor. The high-pellet operation of the blast furnace ironmaking process is a feasible method for utilization of the High-chromium Vanadium–titanium magnetite (HVTM). To ensure the basicity of the burden, flux pellets need to be investigated. In this study, HVTM concentrate and CaCO3 …

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

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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Separations | Free Full-Text | Process Mineralogy of …

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 …

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Process Mineralogical Analysis of a Typical Vanadium Titano-magnetite …

The concentrate is classified as high-vanadium vanadium titano-magnetite concentrate, containing 51.64% iron, 12.96% titanium, and 1.52% vanadium. The extraction of vanadium from this type of VTM typically involves wet metallurgical processes to extract vanadium first, followed by pyrometallurgical processes to recover molten iron …

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Vanadium Resources in Titaniferous Magnetite …

The titaniferous magnetite bodies at the Rodsand mine, Norway (no. 67, fig. 2, and table 1), are lenses and layers in mafic rocks. The current annual yield of the mine is a little …

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Multiple heavy metal distribution and microbial community

As a multi-metallic iron-based ore, vanadium-titanium (V-Ti) magnetite has huge reserves in China, with a mineable grade of 9.83 billion tons (Li et al., 2018). A large amount of V-Ti magnetite tailings have been generated in the selection process of Fe concentrate, with an accumulated storage of about 570 million tons in the Panzhihua …

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Metals | Free Full-Text | Vanadium–Titanium …

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 …

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Grinding Kinetics of Vanadium-Titanium Magnetite …

The grinding behavior of the as-received (5 pct moisture) vanadium-titanium magnetite concentrates in a damp mill was investigated in this paper. A …

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Rhizobia population was favoured during in situ

In the present study, we monitored the dynamic change of microbiota in the rhizosphere of Pongamia pinnata during a 2-year on-site remediation of vanadium-titanium magnetite tailings. After remediation, overall soil health conditions were significantly improved as increased available N and P contents and enzyme activities were discovered.

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A quantitative investigation on consolidation of …

magnetite to make titanium-containing pellets has become a hot research topic in recent years [11]. The manufacture and qualities of vanadium–titanium pellets have been examined by a number of researchers. Chen et al. [12] investigated the oxidative roasting behavior of V–Ti magnetite pellets as well as their con-solidation features.

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Phase transformation and slag evolution of vanadium–titanium magnetite …

Vanadium titano-magnetite is an important iron ore resource containing iron, vanadium and titanium. Although iron and vanadium can be recovered by the traditional blast furnace process, titanium can only be stored in the form of TiO2 bearing slag, which resulting in a great waste of titanium resources.

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Theoretical Modeling and Experimental Evaluation of Vanadium …

Recovering vanadium from vanadium titanium-magnetite (VTM) ore using (NH 4) 2 C 2 O 4 is a clean hydrometallurgical process, but the drawback is the low recovery and slow kinetics due to the formation of inhibitor. A novel energy-efficient mathematical model was derived for green leaching of VTM in which the mechanical …

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Grinding Kinetics of Vanadium‐Titanium Magnetite Concentrate in a Ball Mill

Semantic Scholar extracted view of "Grinding Kinetics of Vanadium‐Titanium Magnetite Concentrate in a Ball Mill" by Rende Zhang et al. ... @inproceedings{Zhang2014GrindingKO, title={Grinding Kinetics of Vanadium‐Titanium Magnetite Concentrate in a Ball Mill}, author={Rende Zhang and Xuewei Lv and …

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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 …

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Vanadium extraction from steel slag: Generation, recycling …

The cost of direct vanadium production is considerable due to the low vanadium grade in vanadium and titanium magnetite. As a result, a substantial volume of vanadium-bearing steel slag formed by vanadium and titanium magnetite might be used to recover vanadium (Jia et al., 2014). The Nippon Slag Association (2017) reported that …

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Three Types Of Vanadium Ore Beneficiation Methods

1. vanadium-titanium magnetite ore. Magmatic vanadium-titanium magnetite ore is the main resource of titanium and vanadium in my country. The main useful minerals in the ore are titanomagnetite and ilmenite, which are mainly distributed in medium grains; gangues are mainly silicate minerals, and some also have carbonate …

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Grinding Kinetics of Vanadium-Titanium Magnetite

High chromium vanadium-titanium magnetite (HCVTM) is a typically complex polymetallic iron ore resource with abundant reserves in China. It is mainly deposited around the Panzhihua-Xichang (Panxi ...

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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 …

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Vanadium Resources in Titaniferous Magnetite Deposits

in lenticular bodies of varied size. In the mill, the ore is ground to moderate fineness and magnetically separated to make a marketable titanium con­ centrate and a vanadium-bearing magnetite con­ centrate, which is salt-roasted to recover vanadium, and the tailings of this operation are used as an iron ore.

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Overall utilization of vanadium–titanium magnetite tailings …

1. Introduction. In recent years, the recycling of waste resources and environmental management in industrial companies have attracted people's attention (Ciarapica et al., 2019).In the Panzhihua area of southwestern China, a large number of vanadium–titanium magnetite tailings (VTMT) are generated in the selection process …

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Modelling the dynamics of the industrial vanadium cycle …

Vanadium has been incorporated in two types of new rechargeable batteries, as a substitute for cobalt in lithium batteries. Cobalt or vanadium is the key for making the batteries rechargeable (Uhrig et al., 2016, Petranikova et al., 2020, Hykawy, 2009).It is the main metal in vanadium redox-flow batteries, and this may cause a significant demand …

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Partition of valuable components between slag and metal in …

These are ordinary vanadium-titanium magnetite and high-chromium vanadium-titanium magnetite (HCVTM), according to the mass fraction of Cr 2 O 3, and the determining criterion of the mass ...

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Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic

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, …

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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 …

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Grinding Kinetics of Vanadium-Titanium Magnetite

The grinding behavior of the as-received (5 pct moisture) vanadium-titanium magnetite concentrates in a damp mill was investigated in this paper. A grinding kinetics equation was established based on a population balance model using size distribution data obtained from a laser diffraction technique. X-ray diffraction results show that a loss in crystallinity …

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The Changing Technology Trends with Processing …

Titaniferous magnetite deposits are a significant source of vanadium for use in high strength steel alloying and other chemical applications as well as producing titanium …

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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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