A novel process featuring pressurized pyrolysis of ammonium chloride-acid leaching-solvent extraction was carried out to separate vanadium, titanium, and iron from …
Australia's TNG has obtained debt funding of up to A$200m ($140.3m) from export credit agency Korea Trade Insurance (K-SURE) for its Mount Peake vanadium-titanium-iron project in Northern Territory, Australia.. In this connection, the Australian resource and mineral processing technology firm has been issued a conditional letter of support from K-SURE.
Tivan Limited is an Australian resources company focused on the evaluation and development of its Mount Peake Vanadium-Titanium-Iron project. The Mount Peake Project is located 235km north ...
2.2 Definition of parameters (1) Vanadium distribution ratio (LV) The vanadium distribution ratio between the titanium slag and the molten iron is expressed as sV m (V) (V) c L c  (1) where cs(V) and cm(V) represent the contents of elemental vanadium in the titanium slag and the molten iron, respectively.
3.1 Migration mechanism of Fe and V during reduction process. Figure 4 shows the variation of iron content in the slag with time, and Fig. 5 shows the variation of V content in the metal with time. As seen in Figs. 4a and 5, the reduction rate of iron and vanadium rises as the vortex rate increases, but th reduction reaches its limitation at u = 100 r min −1 (T = 1550 °C).
When smelting cast iron from vanadium-containing titanium magnetites, one must maintain an increased basicity of the slag (CaO/SiO 2) at the level of 1.15–1.25 to enhance the extraction of vanadium and reduce sulfur in cast iron; therefore, it is recommended to use ore-coal briquettes in EVRAZ NTMK blast furnaces to replace nonfluxed pellets ...
Vanadium is a globally scarce resource and in high demand for China's new energy, new material, and aerospace industries. [1,2,3,4,5,6,7,8,9] More than 90 pct of vanadium resources in China exist in the form of vanadium–titanium–magnetite.[10,11,12] Converter vanadium slag, as an important by-product of the converter steelmaking process, contains 8 to …
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 …
The direct reduction process involves pelletization, direct reduction of the pellets in a rotary hearth furnace, and removal of the titanium slag from the vanadium-bearing molten iron in an electric smelting furnace (Deng et al., 2007, He et al., 2014, Roshchin et al., 2010, Roshchin et al., 2011).The molten iron is then oxidized to produce semi-steel and vanadium slag before …
titanium, vanadium, iron, and other valuable elements [1–2]. In China, the Panzhihua-Xichang (Panxi) district is widely recognized as the largest deposit of vanadium-bearing tita-nomagnetite, with future reserves of 3 1010 t, accounting for 75wt% of …
The intergrowth relationship between vanadium-titanium magnetite and sphene was very complex, and the grain size of sphene was generally fine, and could not be completely liberated even by fine ...
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 …
The conversion of titanium in the rich titanium–vanadium slag was calculated using the following formula [20]: (1) R % = V × M Ti m p × G i G t × C Ti × 100 % where R% is the conversion of titanium, M Ti is the titanium concentration in HCl solution measured by ICP-OES after the dissolution of the roasting sample (g L −1), G t and G i ...
Therefore, the VTM ore used in this study was identified as a vanadium-containing titanium iron ore that accounts for 88% of the mineral phases composed of iron.
To comprehensively utilize the low-iron high-vanadium–titanium magnetite, a new method of vortex smelting reduction of vanadium–titanium magnetite was proposed, and the enrichment and reconstitution regularity of Ti-bearing phases in the slag was investigated through X-ray fluorescence spectrometry, X-ray photoelectron spectroscopy, X-ray diffraction analysis, …
Iron Steel Vanadium Titanium 2010; 31: 10–14. Google Scholar. 28. Yu H, Shi X, Yang G, et al. Optimization of flux pellet preparation process from vanadium titanium magnetite. J North China Univ Sci Tech (Nat Sci Ed) 2024; 46: 37–43. Google Scholar. 29.
that the iron powder could reduce vanadium(V) to V(IV) and Fe 3+o t Fe 2+ (ORP - 15.4 mV) [12]. The concentration of the feed solution is listed in Table 1. Table 1 presents that the concentrations of vanadium, iron, and titanium were 0.23 g/L, 10.72 g/L, and 0.59 g/L, respectively. The extractants P204 and
An acid solution can effectively leach the calcium, iron, magnesium, vanadium, titanium and other metals in steel slag and most research is generally used to improve steel slag's fineness ...
The iron in vanadium titanium magnetite enters the molten iron through the ironmaking process, while the vanadium in the ore is selectively reduced by converter blowing to obtain vanadium slag. Vanadium slag can be extracted by sodium roasting, calcium roasting, sub-molten salt roasting, and salt-free roasting methods.
Vanadium titanomagnetite tailings (VTMT) contain many beneficial elements and have a high comprehensive utilization value. In this report, a new strategy for iron recycling from VTMT is provided.
During the roasting process, the reduction of iron oxides to metallic iron, the sodium oxidation of vanadium oxides to water-soluble sodium vanadate, and the smelting separation …
Tailings storage isan optimal solution. Vanadium-titanium iron ore tailings (VTIOTs) are industrial solid waste produced by vanadium-titanium magnetite ore after beneficiation containing element such as Fe, Ti, and V that yet to be recovered, scattered and rare elements such as Co, Ga, and Sc, and possessing high comprehensive utilization value.
The recoveries of vanadium, iron, and titanium reached 84.52%, 89.37%, and 95.59%, respectively. Moreover, the acid decomposition efficiency of titanium slag reached 96.45%. Compared with traditional processes, the novel process provides several advantages, including a shorter flow, a lower energy consumption, and a higher utilization ...
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 vanadium-titanium …
Titanium and vanadium are strategically important resources [1].Titanium alloys have significant application value and broad application prospects in aviation, aerospace, biomedical engineering, and other fields [2], [3].Vanadium is an indispensable element in industrial fields such as steel, nonferrous metals, chemicals, metallurgy, superconducting …
New Zealand Steel and others have produced vanadium slag by iron reduction and smelting of iron sands to produce steel and selling a vanadium slag. Of recent times, various groups have …
The sodium smelting of vanadium–titanium magnetite can achieve the comprehensive utilization of Fe, V, and Ti. However, the generation of alkaline slag during this process may cause damage to refractory materials. The wettability and corrosion behavior of alkaline slag on three types of refractory (MgO–C, SiC, and high alumina refractory) substrates …