Assessing the role of vanadium technologies in …
Here, we explore the role of vanadium in decarbonizing construction by serving as a microalloying element and enabling the energy transition as the primary component of flow batteries used for grid-level …
Comprehensive Utilization of Vanadium Extraction Tailings: A …
The research on making vanadium titanium black porcelain from vanadium extraction tailings has been carried out by the institute of new materials, Shandong academy of sciences [].The reason why vanadium titanium black porcelain can be produced from vanadium extraction tailings is that the steel industry and ferroalloy industry have strictly controlled the …
Efficient separation of vanadium, titanium, and iron from vanadium ...
The vanadium–bearing titanomagnetite (VBT) is a strategic and complex iron ore, which containing valuable metals of vanadium, titanium, and iron used as constituents of several alloys, whitepigments, and steel [1], [2], [3] China, the gross reserve of titanium in VBT ore is estimated to be about 1.18 million tons, accounting for 93% of China''s total domestic …
Vanadium vs Titanium
Vanadium, however, is significantly cheaper than Titanium. Uses. Vanadium and Titanium have a wide range of applications. Vanadium is often used as a steel additive to make it stronger and more wear-resistant. It also produces batteries, particularly vanadium redox flow batteries, which are increasingly popular for energy storage.
Vanadium mobilization and redistribution during mineral …
A large amount of vanadium-titanium (V-Ti) magnetite tailings are generated in the iron (Fe) concentrate recovery process in this mining area (Li et al., 2020a). These tailings …
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 show that the reduction …
Carbothermic Reduction of Vanadium-Titanium Magnetite in …
mineral phase of the vanadium-titanium magnetite is Fe 3O 4, Fe 2TiO 4 and FeTiO 3. The vanadium-titanium magnetite and the graphite pow-der were mixed homogenously with the addition of the alcohol. By considering Eqs. (1)–(3), the mass ratios of C to vanadium-titanium magnetite in mixtures were set to be
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 pellets can meet the requirements. To …
High-chromium vanadium–titanium magnetite all-pellet integrated …
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 …
A promising method to recover spent V2O5–WO3/TiO2 catalyst …
A large number of spent selective catalytic reduction (SCR) denitration catalysts are produced after the ultra-low emission transformation of coal-fired power plants in China. According to the China''s "Directory of National Hazardous Wastes (Version 2021)", these spent vanadium–tungsten–titanium catalysts are classified as "HW50" hazardous waste, and their …
Routekaart Energieopslag | Rapport | Rijksoverheid
In de Routekaart Energieopslag wordt gekeken naar alle vormen van energieopslag, onderverdeeld in elektriciteits-, moleculen- en warmteopslagRoutekaart Energieopslag. Rapport over welke acties moeten worden genomen om energieopslag te bevorderen, passend bij de verwachte rol ervan in het toekomstige energiesysteem, tot aan …
Phase transformation and slag evolution of vanadium–titanium …
Vanadium (V) and titanium (Ti) are important strategic metals, which are widely used in metallurgical industry, chemical industry, machinery manufacturing, battery, aerospace, etc. [[1], [2], [3], [4]].As a representative resource for extracting V and Ti, vanadium–titanium magnetite (VTM) is a polymetallic symbiotic mineral which primarily contains iron, vanadium, …
Flowcelaccu''s voor energieopslag
Toevoeging van een kleine hoeveelheid vanadium, meestal minder dan 0,5 procent, aan koolstofstaal kan de treksterkte met wel 100 procent verhogen en de …
Simultaneous extraction of vanadium and titanium from vanadium …
A novel environmentally friendly process, based on (NH 4) 2 SO 4 roasting and dilute H 2 SO 4 leaching, to simultaneously extract vanadium and titanium from vanadium slag …
A method for recovery of iron, titanium, and vanadium from vanadium ...
A method for recovery of iron, titanium, and vanadium from vanadium-bearing titanomagnetite 133 The extractions of vanadium and titanium were calcu-lated by the following formula [16]: 1 ii100% Cm X Cm, where X is the leaching efficiency of vanadium or titanium; Ci and C are the mass fractions of vanadium or titanium in
Carbides of Transition Metals: Properties, Application and
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 …
Integrated Utilization of Vanadium-Titanium Magnetite Tailings for ...
Lightweight foamed ceramics were prepared using 55 wt.% vanadium-titanium magnetite tailings (VTMT) followed by sintering at 1130 °C. In the CaO-MgO-SiO2-Al2O3 foamed ceramic quaternary system, the CaO and SiO2 components play an important role in adjusting material properties and controlling phase transition. In this work, the effect of SiO2 and CaO …
Vanadium
De vanadium redox batterij voor energieopslag kan in de toekomst een belangrijke toepassing zijn. Veruit het grootste deel (80%) van het hedendaags gebruikte vanadium wordt verwerkt in staal. Andere toepassingen zijn: legeringen van roestvast staal; extra sterke gereedschappen, bijvoorbeeld voor in de tandartspraktijk; in combinatie met aluminium en titanium in …
Recovery of Fe and V via selective reduction–magnetic …
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 ...
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 accounts for more than …
Mechanism on the Separation of Vanadium and …
Vanadium slag is a strategic vanadium extracting source, which is produced from the hot-metal treatment prior to the basic oxygen steelmaking (BOS) or during the converter steelmaking process by using …
Recovery of Vanadium, Titanium, and Iron from Vanadium …
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 extracted, while that of titanium …
Influence of desulfurization slag containing oxides of vanadium …
The desulfurization and resulfurization of slag containing oxides of vanadium and titanium (CaO–SiO 2 –MgO–Al 2 O 3 –V 2 O 3 –TiO 2 –FeO) in the pretreatment of semi-steel desulfurization at 1623 K were investigated. Based on the ionic structure theory of slag, it could be concluded that V 2 O 3 and TiO 2 combined with (O 2–) to form complex anions including …