Tìm hiểu sự thật về nguyên tố Vanadium

Vanadium được tìm thấy với tỷ lệ phần trăm nhỏ trong các thiên thạch. Có thể thu được vanadi mềm có độ tinh khiết cao bằng cách khử vanadi triclorua bằng magiê hoặc hỗn hợp magiê-natri. Kim loại Vanadi cũng có thể được tạo ra bằng cách khử canxi V trong bình áp suất. Phân ...

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Metalizing reduction and magnetic separation of vanadium titano

To achieve high efficiency utilization of Panzhihua vanadium titano-magnetite, a new process of metalizing reduction and magnetic separation based on hot briquetting is proposed, and factors that affect the cold strength of the hot-briquetting products and the efficiency of reduction and magnetic separation are successively …

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China Vanadium Titano-Magnetite Mining

https:// China Vanadium Titano-Magnetite Mining Company Limited, an investment holding company, engages in mining and ore processing activities in the People's Republic of China. It operates through three segments: High-Fe Mining Operation; Trading; and Corporate and Others. The company engages in …

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Leaching characteristics of vanadium in mine tailings

The adsorption of vanadium on (NH 4) 2 Mo 3 S 13 was analyzed via experimental and theoretical approaches. Kinetic and equilibrium adsorption data were quantified at 293–323 K and pH 3.2. Vanadium kinetics followed a pseudo-first order equation with adsorption rate constants ranging from 0.006 to 0.032 min −1, while the …

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High-Efficiency Extraction of Fe, V, and Ti from …

Home. Metallurgist. Article. Published: 01 February 2022. High-Efficiency Extraction of Fe, V, and Ti from Vanadium Titano-Magnetite Concentrate Based on …

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Thermodynamic studies on gas-based reduction of vanadium titano …

Numerous studies have focused on the reduction thermodynamics of ordinary iron ore; by contrast, the literature contains few thermodynamic studies on the gas-based reduction of vanadium titano-magnetite (VTM) in mixed atmospheres of H2, CO, H2O, CO2, and N2. In this paper, thermodynamic studies on the reduction of oxidized VTM pellets were …

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China Vanadium Titano Magnetite Mining

China Vanadium Titano-Magnetite Mining Company Limited . (Incorporated in the Cayman Islands with limited liability) (Stock Code: …

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Upgrade of titanium content in a vanadiferous

Vanadiferous titanomagnetite deposits are a major resource for processes dedicated to vanadium extraction. Depending on the mineralogical characteristics and the developed unit operations, a titanium bearing waste is produced in mineral processing. ... Influence of different comminution flowsheets on the separation of vanadium titano …

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Preparing high-quality vanadium titano-magnetite pellets …

ABSTRACT The oxidation behaviour and the phase and microstructure evolution of VTM (vanadium titano-magnetite) pellets were studied during thermal processing in order to optimise the production method for producing high-quality pellets. The oxidation tests showed that titanium magnetite and ilmenite in VTM began to oxidise at …

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Preparation, Sintering Behavior and …

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 …

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Behavior of vanadium during reduction and smelting of vanadium …

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. In the full oxygen bath smelting process ...

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Kinetic Studies on Gas-Based Reduction of Vanadium Titano …

Vanadium titano-magnetite is a significant resource in China, and in this study, we characterize its isothermal reduction mechanisms in the mixture of H2, CO, and N2 where the variables considered here include reduction time, reduction temperature, gas composition, and pellet size. The kinetics of the reduction process are mainly studied, …

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CHINA VANADIUM TITANO-MAGNETITE MINING …

Equities. Stock China Vanadium Titano-Magnetite Mining Company Limited - Hong Kong Stock Exchange. China Vanadium Titano-Magnetite Mining Company Limited (893.HKG) : Stock quote, stock chart, quotes, analysis, advice, financials and news for …

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Fusion Separation of Vanadium-Titanium Magnetite and …

2.1. Materials. In this experiment, vanadium-titanium magnetite concentrate from Wuling, Xinjiang was used as raw material, and its chemical composition is depicted in Table 1.It can be observed from Table 1 that the main valuable elements in the raw iron concentrate are Fe, V and Ti, with the mass fractions of TFe, TiO 2 and V 2 O 5 are high …

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Recovery of TiO2-enriched material from vanadium titano …

DOI: 10.1016/j.hydromet.2020.105324 Corpus ID: 216195522; Recovery of TiO2-enriched material from vanadium titano-magnetite concentrates by partial carbon reduction and mild acid leaching

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Carbothermic Reduction and Nitridation Mechanism of Vanadium …

In this study, the carbothermic reduction and nitridation mechanism of vanadium-bearing titanomagnetite concentrate are investigated in terms of phase transformation, microstructure transformation, and thermodynamic analyses. The differences in the reaction behavior of titanomagnetite and ilmenite in vanadium-bearing …

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China Vanadium Titano Magnetite Mining Co Ltd

China Vanadium Titano Magnetite Mining Co Ltd. + Add to watchlist. CV8S:MUN. Actions. Price (EUR) 0.008. Today's Change 0.00 / 0.00% Shares traded …

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Thermodynamic studies on gas-based reduction of vanadium titano …

Numerous studies have focused on the reduction thermodynamics of ordinary iron ore; by contrast, the literature contains few thermodynamic studies on the gas-based reduction of vanadium titano-magnetite (VTM) in mixed atmospheres of H 2, CO, H 2 O, CO 2, and N 2.In this paper, thermodynamic studies on the reduction of oxidized VTM …

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A Literature Review on Leaching and Recovery of Vanadium

Abstract. Vanadium as an important national strategy resource is widely used in many fields due to its excellent physicochemical properties. Much attention had been focused on recovering vanadium ...

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The extraction of vanadium from titanomagnetites and other sources

1. Introduction1.1. Vanadium properties and applications. Vanadium is primarily used as an additive to steel in the form of ferrovanadium (Moskalyk and Alfantazi, 2003).Around 85% of the vanadium produced globally is used for this purpose (Swinbourne et al., 2016).Only minor amounts of vanadium are needed for this purpose, with …

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Recovery of Vanadium from Vanadium Slag by Roasting …

The sample of vanadium slag used in this study is produced by Panzhihua Iron and Steel Co., LTD. The chemical composition is shown in Table 1. The content of SiO 2 is 14.51%, CaO is 2.58%, V 2 O 5 is 15.29%, and the mass ratio of CaO/V 2 O 5 is 0.168. The additives used in roasting process were analytically pure CaO and MgO, with a purity ...

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Reduction Kinetics of Vanadium Titano-Magnetite Carbon Composite

Experiments were carried out by adding CaF 2 and NaF as catalysts in an Ar atmosphere to study the isothermal reduction kinetics of vanadium titano-magnetite carbon composite pellets under high temperature in the range from 1 473 to 1 673 K. The scanning electron microscope (SEM) was used to characterize the microstructure of …

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China Vanadium Titano-Magnetite Mining Co Ltd (0893)

Trang này cung cấp hồ sơ chuyên sâu về China Vanadium Titano-Magnetite Mining Co Ltd, bao gồm tổng quan về quản lý cốt lõi và kinh doanh của công ty.

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A novel method to extract iron, titanium, vanadium, and …

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. In the full oxygen bath smelting process ...

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Vanadium extraction from titano-magnetite by hydrofluoric …

The raw vanadium titano-magnetite was crushed and grinded to − 0.074 mm accounting for 90%, and then the sample was separated with low intensity magnetic separation of 50 KA/m by using dry magnetic separator to obtain the vanadium concentrate.The vanadium concentrate was leached in hydrofluoric acid solution at …

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CHINA VANADIUM TITANO-MAGNETITE MINING COMPANY LIMITED

China Vanadium Titano-Magnetite Mining Company Limited is a Hong Kong-based investment holding company principally engaged in mining and ore processing, sale of self-produced products, trading of coals and steels, management of strategic investments and providing specialist mining services. The mining operation business …

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China Vanadium Titano-Magnetite Mining Company …

China Vanadium Titano-Magnetite Mining Company Limited is an enterprise based in Hong Kong SAR, China. Its main office is in Hong Kong. It operates in the Mining (except Oil and Gas) sector. The enterprise was incorporated on April 28, 2008. It currently has a total number of 330 (2023) employees. There was a net sales revenue increase of …

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Extraction of Phosphorous from a Phosphorous …

dolomite, and calcite in the vanadium titano-magnetite tailings. Table 1. Main chemical composition analysis of the P–Containing V–Ti magnetite tailings (%). Fe TiO2 S P2O5 Na2O K2O CaO Al2O3 MgO SiO2 6.73 2.73 0.132 1.42 6.29 1.06 12.86 22.29 13.67 30.73 Table 2. A grain size analysis of the P–Containing V–Ti magnetite tailings ...

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CHINA VANADIUM TITANO-MAGNETITE MINING …

If CHINA VANADIUM TITANO-MAGNETITE MINING COMPANY LIMITED is your company and you would like to remove it from the D&B Business Directory, please contact us. …

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

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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Influence of different comminution flowsheets on the …

Comparative separation tests of vanadium titano-magnetite (VTM) were conducted in this study by employing a high-pressure grinding roller (HPGR) and a jaw crusher (JC); these were followed by a ...

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Titanium-Enriched Slag Prepared by Atmospheric …

1. Introduction. The vanadium-bearing titanomagnetite (VBTM) ore deposit in the Panzhihua–Xichang region, China, is a complex ore that contains many valuable elements, including titanium (Ti), vanadium (V), iron (Fe), chromium (Cr), scandium (Sc), and gallium (Ga), and has high utilization value [1,2,3].Vanadium titanomagnetite …

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Behavior of vanadium during reduction and smelting of vanadium …

These findings will support the development of the DR-EF process for the comprehensive utilization of vanadium titano- magnetite ore. 2 Experimental 2.1 Materials and methods The raw material for producing vanadium titanomagnetite metalized pellets used in this study was taken from the Panxi region of China. The metallized pellet mainly ...

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Extraction of Phosphorous from a Phosphorous-Containing Vanadium Titano

Low grade P-Containing vanadium titano-magnetite tailings from iron and titanium separation in the Miyi Region were treated using a direction flotation process. The separation indexes of phosphorous concentrate with a P 2 O 5 grade of 31.25% and P 2 O 5 recovery of 87.94% were obtained, realizing the recovery of valuable element phosphorous.

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China Vanadium Titano-Magnetite Mining (SEHK:893)

Discover the latest data for China Vanadium Titano-Magnetite Mining financials. From earnings and revenue to ROE, net margins, growth rates and more. …

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Thermodynamic studies on gas-based reduction of vanadium titano …

The phase transformation of pre-oxidized vanadium titano-magnetite pellets during the reduction process under an H2 atmosphere and a CO atmosphere was discussed, and the reduced samples were ...

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