Over few recent decades vanadium-titanium-based catalysts have been widely used in chemical, petroleum and environmental industries, such as partial oxidation and oxidative dehydrogenation of hydrocarbons, NO x removal, and ammoxidation of alkyl aromatic hydrocarbons [1–5] respect of preparation, characterization and modification of vanadium …
The key to producing vanadium-based electrodes with the desired performance characteristics is the ability to fabricate and optimize them consistently to realize certain specifications through effective engineering …
The strong interlayer coupling between vanadium and tellurium makes VTe 2 more stable than its sulfur and selenium counterparts. Reports suggest that there is a charge transfer between V (d) and Te (p) through the …
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 resource reserves of the VTM ore are extremely rich (over 40 billion tons) and are mainly distributed in Russia, South Africa, China, the United States, Canada, …
Fig. 2 shows the distribution of vanadium ore in the world. The world''s vanadium ore reserves are about 2.4165 × 10 7 t, which represents the portion that meets requirements of current extraction and production. The reserves of vanadium in China, Russia, South Africa and Australia account for 99 % of the world''s reserves, and China''s vanadium ore reserves are the …
Abstract—The properties, application, and methods for producing titanium and vanadium carbides are considered. These carbides are oxygen-free refractory metal-like compounds. As a result, they are characterized by high values of thermal and electrical conductivity. Their hardness is relatively high. Titanium and vanadium carbides exhibit …
Materials. Tables 1 and 2 present the chemical composition and particle size distribution of VTM obtained from South Africa, respectively. The concentrate is classified as high-vanadium vanadium titano-magnetite concentrate, containing 51.64% iron, 12.96% titanium, and 1.52% vanadium.
The fusibility of vanadium–titanium magnetite during reduction and smelting reflects the difficulty of smelting separation. In this study, the direct reduction of iron obtained from the ...
Targeted at boosting the development of V-bearing titaniferous magnetite, applications of vanadium and titanium in steels, and comprehensive utilization of vanadium and titanium resources, ISVT primarily covers multitudes of important subjects in V-bearing titaniferous magnetite smelting with ordinary BF, intensified BF smelting of V-bearing titaniferous …
Abstract: This is an essay in the field of mineral engineering. This paper summarizes the distribution of vanadium titanium magnetite in the world and its comprehensive utilization progress. vanadium titanium magnetite is a composite ore of iron, titanium and vanadium, which is also associated with chromium, gallium, scandium, cobalt, nickel, copper, …
High-chromium vanadium–titanium magnetite (HVTM) is a crucial polymetallic-associated resource to be developed. The all-pellet operation is a blast furnace trend that aims to reduce carbon dioxide emissions in the future. By referencing the production data of vanadium-titanium magnetite blast furnaces, this study explored the softening-melting behavior of high-chromium …
The company is proud of its vanadium-titanium project on Mount Peake. Tivan claims Mount Peake is world-class and has developed a proprietary process to extract premium-grade pig iron. Tivan has an agreement …
Titanium and vanadium carbides are characterized by high thermal and electrical conductivity, significant hardness and chemical inertness. For these reasons, they …
@article{Bai2024ExtractionOV, title={Extraction of Vanadium from Vanadium–Titanium Magnetite: Enhanced by Sodium–Calcium Synergistic Roasting–Water …
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 process, which produces a …
We present an optimized magnetic separation process to improve the recovery of high-content vanadium and titanium concentrates from vanadium‑titanium magnetite (VTM) …
Wang et al. demonstrated that by incorporating 9% CaF in activated acid leaching, the vanadium leaching percentage from black shale vanadium ore reached a maximum of 93% within 6 h, increasing the leaching percentages for mica, vanadium titanium ore, limonite, and vanadium sulfide copper ore by 32%, 27%, 18%, and 90%, respectively, compared with …
of Vanadium-Titanium Magnetite Shiju Zhang, Songli Liu, Wenhui Ma, Kuisong Zhu, Li Cao and Yongnian Dai Abstract There is an abundance of vanadium-titanium magnetite in Panzhihua, China, which contains more than 8.73 108 tons of TiO 2 accounting for 90.6% of the national reserves. To fully utilize Panzhihua titanium resources, many processes
The induration process and oxidation kinetics of Hongge vanadium titanium-bearing magnetite (HVTM) pellets have been investigated by employing X-ray diffraction, scanning electron …
Vanadium is used in the cathodes of some lithium ion batteries. A newer energy storage application is in redox flow batteries, which can charge and discharge simultaneously. …
metal oxides, including lithium, vanadium and titanium. The process leaches titanium, vanadium and iron using hydrochloric acid at atmospheric pressure and temperatures below 95°C. Solvent extraction is then used to recover vanadium, titanium pigment and iron from the leach solution. The advantages claimed are low cost, high recovery, no
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-bearing phase [], …
Because of the close boiling point, aluminum powder or organic substance is used to remove vanadium oxychloride from titanium tetrachloride in order to prepare titanium products such as sponge titanium, titanium dioxide and so on. The tailing produced by organic refining was a kind of high-quality raw material for vanadium extraction due to the ...
The geochemical cycling of vanadium (V) in mining areas has attracted much attention. However, little knowledge was about the effects of tailing colloids on the fate and transport of vanadium in tailing reservoirs which was ignored before. This study investigated the interactions of tailing colloids from vanadium-titanium magnetite with vanadium. Colloid …
process in this study for extraction and separation of vanadium, iron, and titanium using a mixture extractant of P204 and P507 was proposed. The inuences of the P204-P507 concentra-tion, P204 and P507 ratio, initial pH, phase ratio (O/A), and contact time on the extractions of vanadium, iron, and titanium were investigated.
Purpose Vanadium-titanium magnetite tailings are bulk industrial solid wastes and can be found in the Panxi Region of Sichuan province. The utilization of vanadium-titanium magnetite tailings as soil represents a viable strategy for achieving extensive depletion, while simultaneously fostering ecological revitalization. In order to effectively reuse the stockpiled …
In addition to vanadium, titanium concentrates were also obtained by medium-intensity magnetic separation and the grade and recovery were 38% and 75%, respectively. View. Show abstract.
Most of the vanadium products in the world are extracted from vanadium titanium magnetite, and the vanadium products produced from vanadium titanium magnetite can account for 88% of the total production of that year . Therefore, it is necessary to analyze and summarize various methods for extracting vanadium, in order to provide ideas and suggestions …
Vanadium titanomagnetite (VTM) is an important mineral for developing titanium resources, but the comprehensive recovery of ilmenite separation is extremely poor, resulting in the low-efficiency utilization of titanium resources. Here, the …
