vanadium titanium chromium

Hydrothermal Separation of Titanium Vanadium and …

1. Introduction. Vanadium, titanium and chromium are significant strategic metals which are widely used in aerospace, energy and alloy fields, etc. [ 1 ]. Vanadium …

Effects of Cr2O3 on Metallurgical Properties of High …

VANADIUM-TITANIUM magnetite is a widely distributed mineral resource, with proven reserves of over 47 billion tons located in countries such as Russia, South Africa, China, Norway, New Zealand, Canada, and India.[1–3] High chromium vanadium-titanium mag-netite (HCTVM) is a type of vanadium-titanium mag-netite resource that also contains …

Partition of valuable components between slag and metal

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 ...

Kinetics and mechanism of coal-based direct …

Abstract. High-chromium vanadium–titanium magnetite (HCVTM) is a valuable resource containing metal elements such as iron, vanadium, titanium, and …

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

1. Introduction. The Hongge mineral deposit in the Panzhihua–Xichang region is the biggest vanadium-bearing titanomagnetite deposit in China, with titanomagnetite reserves of 3.55 billion tons.It is a giant iron-polymetallic deposit containing titanium, vanadium, chromium, and other valuable elements (Chen et al., 2011).At present, the …

Separation of vanadium and chromium by selective …

Abstract. The separation and recovery of V (V) and Cr (VI) from solution can achieve the dual purpose of resource utilization and environmental protection. In this …

Control of Electronic Structure and Conductivity in …

and electronic properties of the two-dimensional titanium, vanadium, and chromium analogues of the iron framework. The electronic structures of these frameworks are examined via spectroscopic and magnetic susceptibility measurements, revealing large diﬀerences in the extent of electron delocaliza-tion.

Reduction mechanism of high-chromium vanadium–titanium …

The reduction of high-chromium vanadium-titanium magnetite as a typical titanomagnetite containing 0.95wt% V2O5 and 0.61wt% Cr2O3 by H2-CO-CO2 gas mixtures was investigated from 1223 to 1373 K.

Titanium Chromium Vanadium Alloy | AMERICAN ELEMENTS

Titanium is found in igneous rocks and the sediments derived from them. It is named after the word Titanos, which is Greek for Titans. V 50.941500000 Vanadium. See more Vanadium products. Vanadium (atomic symbol: V, atomic number: 23) is a Block D, Group 5, Period 4 element with an atomic weight of 50.9415.

Hydrothermal Separation of Titanium Vanadium and …

The separation of titanium, vanadium and chromium in vanadium slag (VS) is a difficult problem restricting the comprehensive utilization of VS. This paper presents the first study on the separation of …

Thermodynamic Calculations on Electric Furnace Smelting …

The chromium-bearing vanadium titanium magnetite used in this study was Hongge vanadium–titanium magnetite (HVTM). The main chemical composition of the ore is shown in Table 1 . In Liu's work [ 16 ], the direct reduction experiment of carbon-containing pellet mixed by vanadium–titanium magnetite and coal was conducted at …

Effects of basicity and temperature on mineralogy and …

The effects of basicity and temperature on the reduction process of Hongge high-chromium vanadium-titanium magnetite (HCVTM) sinter were investigated in this work. The main characterization methods of X-ray fluorescence (XRF), X-ray diffraction (XRD), scanning electron microscope (SEM), and metallographic microscope were …

Influence of Basicity on High-Chromium Vanadium-Titanium …

High-chromium vanadium–titanium magnetite (HVTM) is an exceptional iron source that has not been mined on a large scale. Since using flux pellets facilitates the reduction in emissions and ...

Sound Velocity in Liquid Titanium, Vanadium and Chromium

Sound Velocity in Liquid Titanium, Vanadium and Chromium J. Casas Institut de Physique Experimentale de l'Universite de Lausanne, CH-1015, Lausanne-Dorigny, Switzerland N. M. Kéita Institut de Physique Experimentale de l'Universite de Lausanne, CH-1015, Lausanne-Dorigny, Switzerland

Leaching behaviour of chromium during vanadium extraction from vanadium

Vanadium–titanium bearing magnetite is a complicated ore that contains iron, titanium, vanadium, chromium as well as other valuable elements. The gross reserve of vanadium–titanium bearing magnetite is about 30bn t and mainly distributed in Panzhihua region, in which the amount of resources vanadium and chromium is 17·9m …

A Novel Process for Simultaneous Extraction of Iron, Vanadium

Disposal of slags from alloy steelmaking is a serious problem as the toxic metals in the slag such as chromium and vanadium can be leached out. Recovery of the valuable metals needs an effective, economically viable method with a minimum number of unit processes. In the present work, a novel process for simultaneous recovery of iron, …

Selective nitridation–corrosion process to recover …

Selective nitridation–corrosion process to recover vanadium, titanium, chromium, and iron from vanadium slag - ScienceDirect. Journal of Environmental …

Hydrothermal Separation of Titanium Vanadium …

η6-Coordination of Arsenine to Titanium, Vanadium, and Chromium…

η6-Coordination of Arsenine to Titanium, Vanadium, and Chromium†,1. By means of metal−ligand vapor co-condensation techniques the homoleptic arsenine sandwich complexes (η6-C5H5As)2Ti (2), (η6-C5H5As)2V (3), and (η6-C5H5As)2Cr (4) have been prepared. 2 is the first example of an unsubstituted group 15 heteroarene …

Co-extraction of Vanadium Titanium and Chromium from Vanadium …

To solve the above problems, in our previous research [9], a new method for co-extracting vanadium, titanium and chromium from vanadium slag by oxalic acid hydrothermal leaching was proposed, by ...

Fourier transform infrared studies of atomic titanium, …

Fourier transform infrared studies of atomic titanium, vanadium, chromium, iron, cobalt, nickel and copper reactions with carbon dioxide in low-temperature matrices. J. Mascetti. …

Inﬂuence of Basicity on High-Chromium Vanadium …

dium-titanium magnetite is a blast furnace (BF) ﬁ basic oxygen furnace (BOF), despite sig-niﬁcant research on employing direct reduction processes for the effective and comprehensive uti-lization of vanadium-titanium magnetite.5 High-chromium vanadium and titanium mag-netite (V-Ti-Cr magnetite) contains 61.4% total iron (TFe), …

Effect of Cr2O3 on the Reduction and Smelting Mechanism …

In Panzhihua-Hongge District, Sichuan Province there are 3.6 billion tons of high chromium vanadium-titanium magnetite reserves with great development value.1–3) It is very rewarding to exploit and comprehensively utilize these mineral resources. In this paper, experimental Russia high chromium vanadium-titanium magnetite is similar to …

Thermodynamic Calculations on Direct Reduction of Chromium …

Vanadium-titanium magnetite is a complex mineral, and distributes widely throughout the world, mainly concentrated in Russia, China, South Africa, New Zealand, Canada and Australia [].The Pan-xi area of China has rich vanadium-titanium magnetite deposits with reserves more than 9.66 billion tons, of which titanium and vanadium …

Phytotoxicity of cobalt, vanadium, titanium, silver, and chromium

Vanadium as 10 ‐4 M vanadate resulted in smaller plants but not in chlorosis. Leaf, stem, and root V, respectively, were 13, 8, and 881 μg/g dry weight. Titanium was somewhat mobile with considerable yield decrease at 10 ‐4 M; leaf, stem, and root Ti concentrations, respectively, were 202, 48, and 2420 μg/g. Symptoms were …

[PDF] A novel method to extract iron, titanium, vanadium, and chromium

A novel method to extract iron, titanium, vanadium, and chromium from high-chromium vanadium-bearing titanomagnetite concentrates @article{Zhao2014ANM, title={A novel method to extract iron, titanium, vanadium, and chromium from high-chromium vanadium-bearing titanomagnetite concentrates}, author={Longsheng Zhao …

Chromium, vanadium, and titanium valence systematics in …

Request PDF | Chromium, vanadium, and titanium valence systematics in Solar System pyroxene as a recorder of oxygen fugacity, planetary provenance, and processes | Pyroxene is arguably the most ...

Separation of vanadium and chromium by selective adsorption by titanium

Treated high vanadium low chromium solution with 10 g/L adsorbent amount, the concentrations of V(V) and Cr(VI) ... A novel method to extract iron, titanium, vanadium, and chromium from high-chromium vanadium-bearing titanomagnetite concentrates[J] Hydrometallurgy, 149 (2014), pp. 106-109.

Minerals | Free Full-Text | Investigations of MgO on Sintering …

High-chromium vanadium-titanium magnetite (HCVTM) in the Hongge region has been used as an essential mineral resource in ironmaking. The effects of MgO on sintering performance and metallurgical properties were investigated by sintering pot tests, X-ray diffraction (XRD), and scanning electron microscopy-energy dispersive …

Selective nitridation-corrosion process to recover vanadium, titanium …

DOI: 10.1016/j.jenvman.2022.116604 Corpus ID: 253192347; Selective nitridation-corrosion process to recover vanadium, titanium, chromium, and iron from vanadium slag. @article{Hu2022SelectiveNP, title={Selective nitridation-corrosion process to recover vanadium, titanium, chromium, and iron from vanadium slag.}, author={Qingqing Hu …