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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. ... and other resources [7, 14,15,16,17,18]. The research involves the effects of carbon distribution, reduction …
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 pellets can meet …
Vanadium titanomagnetite is an important source of vanadium and titanium throughout the whole world. During enrichment about 82 wt.% of vanadium, 54 …
The traditional roasting technique using sodium salts in vanadium production has been disadvantageous due to the large consumption of energy and the emission of harmful gases. A modified process using molten salt roasting and water leaching to extract vanadium and titanium from domestic titanomagnetite concentrate was …
16% of the world's vanadium products directly came from vanadium-titanium magnetite, about 68% of the vanadium products came from the vanadium-rich steel slag (and a small
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 …
The process developed in this study is plausible for separating the titanium, vanadium and chromium sequentially from the oxalic acid leachate of VS. The detailed steps and results …
Vanadium−titanium magnetite (VTM) is an important raw material for ironmaking under the situation of increasingly demanding scarce resources. To further improve the metallurgical properties of pellets, and to satisfy the requirements of blast furnace slag basicity, finely ground dolomite and limestone have been added to the pellet. …
The answer: titanium-based alloys that contained the metal vanadium. When added to titanium, vanadium helps to create alloys with the best strength-to-weight ratio of any engineered material on earth. Half a century later, there remains no acceptable substitute for vanadium in aerospace titanium alloys. Vanadium-containing alloys of …
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 activation (MA) …
The direct vanadium extraction method, in which vanadium is extracted from vanadium– titanium magnetite ore before ironmaking, has a high vanadium recovery rate [18,19]. The roasting process has a crucial effect on vanadium recovery [20,21]. When the roasting tem-perature is lower than 1200 C, increasing the temperature improves the vanadium ...
Table 19: USA 16-Year Perspective for Vanadium by Application - Percentage Breakdown of Value Sales for Iron & Steel, Energy Storage, Chemical and Titanium Alloys for the Years 2014, 2023 &
[13–16] CHEN YIN and XUKE YANG are with the College of Materials Science & Engineering, Chongqing University, Chongqing 400044, ... Laboratory of Vanadium-Titanium Metallurgy & Advanced Materials, Chongqing University, Chongqing 400044, China. Contact: e-mail: [email protected] WANNENG YUAN and TAO LI are with the …
The effect of temperature on phase transformation, metallization rate, carbon residue and agglomeration of metal Fe after the pre-reduction of carbon-containing pellets in high-chromium vanadium–titanium magnetite (HCVTM) was investigated. The results indicated that titanomagnetite was finally reduced to metal Fe and (Mg, Fe)Ti 2 O 5 without low …
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 …
The iron, titanium and vanadium play a significant role in modern industry, and are widely used in steel manufacturing, aerospace, military, medical and other advanced materials fields [[4], [5], [6]]. ... [16]. Simultaneously, the remaining sodium salt would also lead to reduction swelling and reduction disintegration of the pellets, which …
Titanium and Tungsten – Comparison – Properties. This article contains comparison of key thermal and atomic properties of titanium and vanadium, two comparable chemical elements from the periodic table. It …
Vanadium (V), chemical element, silvery white soft metal of Group 5 (Vb) of the periodic table. It is alloyed with steel and iron for high-speed tool steel, high-strength low-alloy steel, and wear-resistant cast …
The vanadium ore market is expected to grow to US$3.76 billion in 2027 at a CAGR of 6.1%. The use of vanadium redox flow batteries (VRFB's) for energy storage is an emerging trend market. CRU ...
JUNG et al [16] and SHIN et al [17] indicated that the vanadium distribution ratio between slag and molten iron increased with the increase of slag basicity but decreased with the rise of temperature. However, ... Iron Steel Vanadium Titanium, 1991, 12: 1âˆ'4. (in Chinese) [27] BALE C W, BÉLISLE E, CHARTRAND P, DECTEROV S A, …
Vanadium as a rare element has a wide range of applications in iron and steel production, vanadium flow batteries, catalysts, etc. In 2018, the world's total vanadium output calculated in the form of …
Vanadium Catalysts 16. Vanadium Batteries 17. Vanadium Carbonitride and Vanadium Aluminum Alloy 18. Development of The Vanadium industry ... He has researched vanadium and titanium use and product development, led key state projects, and been honored by several prestigious awards for his work. He has published two …
Volume 391, October 2021, Pages 282-291 Optimized magnetic separation for efficient recovery of V and Ti enriched concentrates from vanadium-titanium magnetite ore: …
Hydrothermal leaching vanadium using oxalic acid is a novel method reported recently to overcome the serious environmental problems caused by traditional extracting processes. In view of its promising application potential, the hydrothermal leaching kinetics of vanadium from a concentrate mainly composed of Fe3−xVxO4 …
In this study, a cascade roasting of (NH 4) 2 SO 4 with K 2 S 2 O 7 was used to separate and recover vanadium, titanium, and iron in the PVBT, which proved that …
R.G. Bai, Technology and development of high-efficiency clean utilization of vanadium-titanium ore resource in Cheng steel, Hebei Metall., 2015, No. 12, p. 1. ... 16. Google Scholar Z.B. Han and F.Z. Chang, Material Problem and solutions about further development of titanium industry in china, Titanium Ind ...
Podcasts The Naked Scientists. Periodic Table of Videos Created by video journalist Brady Haran working with chemists at The University of Nottingham. Element Vanadium (V), Group 5, Atomic Number 23, d-block, Mass 50.942. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
The slag ing caused by Ti(C,N) is the main limitation of smelting vanadium–titanium magnetite by blast furnace. COREX, with unique pure oxygen injection that avoids the formation of Ti(C,N), has a huge potential advantage for the smelting of vanadium–titanium magnetite. In the present study, the detailed characterization was …
[15] Xie Y., Ye G.H., Zuo Q. et al. 2019 New Technology of Vanadium Extraction fromVanadium-bearing Steel Slag [J] Iron Steel Vanadium Titanium 40 69-77. Google Scholar [16] Gao M.L., Chen D.H., Li L.J. et al. 2011 Dissolution Behavior of Vanadium from Vanadium-bearing Steel Slag in KOH Sub-molten Salt [J] The Chinese …
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 …
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 …
In this study, an efficient utilization of vanadium titanomagnetite concentrate was systemically investigated through potassium pyrosulfate (K2S2O7) synergized with ammonium sulfate ((NH4)2SO4) cascade roasting to separate and recover vanadium, iron, and titanium. The result shows that 95.87% of vanadium and 80.13% of iron could be …
