After the concerted dedication of several generations, Panzhihua Iron and Steel Co. overcame the world-class problem of smelting high titanium vanadium vanadium-titanium magnetite with ordinary ...
What is claimed is: 1. A method for converting and separating vanadium, titanium, and iron from vanadium-titanium-iron concentrate in one step, comprising: step 1, Mixing vanadium-titanium-iron concentrate with an addition agent and a reducing agent, conducting roasting for 0.5-4 hours at a temperature of 1100-1400° C., so that …
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 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 …
The aluminum, iron, vanadium, scandium, titanium and silicon were extracted by using the process of hydrochloric acid leaching, solvent extraction, polymerization process, alkali leaching with pressure, and aging. More than 95 % of vanadium and scandium was leached into HCl solution under suitable condition with 83 …
Vanadium ore mainly includes vanadium-titanium magnetite and weakly magnetic iron ore containing vanadium and titanium, such as vanadium-titanium hematite, vanadium-titanium limonite, vanadium-titanium hematite-limonite; the former of which is the main source of vanadium, with more than 80% of the world annual output …
The leaching rates of vanadium, titanium and iron (η) was defined as follows: (1) η = w × c 1 × v 1 m 0 × β × 100 % where c 1 was the concentrations of vanadium, titanium and iron. v 1 were the volume of leaching solution. w was the dilution factor. m 0 and β were the quality of vanadium titanomagnetite concentrate and grade …
1. Introduction. Vanadium-titanium magnetite is a complex symbiotic iron ore resource composed of iron, vanadium, titanium and other metals, which is one of …
In the present study, aluminum- and vanadium-free titanium alloys based on CP-titanium Grade 4 were developed. Besides titanium, several elements were used, including those that are already present in the human body in large amounts such as carbon, oxygen or iron; those that are proven to be nontoxic such as gold; or those for …
Mixing titanium with vanadium and iron strengthens and adds durability to turbines that spin up to 70,000 rpm. Source: original article Since vanadium does not easily absorb neutrons it has ...
The total recoveries of iron, vanadium, and titanium were 93.67%, 72.68%, and 99.72%, respectively. Article PDF. Download to read the full article text Similar …
Vanadium and titanium magnetite (V–Ti) ore has a very high comprehensive utilization value due to its high-content vanadium, titanium, iron, etc. In addition, V–Ti ore as a major source of vanadium is found in various countries, such as Australia, China, Russia, and South Africa (Moskalyk and Alfantazi, 2003, Deng et al., …
A green and efficient route for simultaneous recovery of low valence of vanadium and chromium, titanium and iron from vanadium slag. Resour. Conserv. Recycl., 178 (2022), Article 106046, 10.1016/j.rnrec.2021.106046. View PDF View article View in Scopus Google Scholar. Wang et al., 2014.
The leaching rates of vanadium, titanium and iron (η) was defined as follows: (1) η = w × c 1 × v 1 m 0 × β × 100 % where c 1 was the concentrations of …
The key to smelting vanadium–titanium magnetite is to prevent the over-reduction of TiO 2 and reduces the formation of TiC or Ti ... (Factsage 8.0), and scanning electron microscopy (SEM). The vanadium yields in residual iron and dropping iron were also analyzed by inductively coupled plasma-optical emission spectroscopy (ICP-OES). …
Iron Ore 2019. Titaniferous magnetites as a source of vanadium titanium and iron. Titaniferous magnetite hard rock deposits are common throughout the world. Previously …
Materials. Table I shows the chemical composition of the ultra-high-titanium vanadium–titanium magnetite concentrate (<75 μm) used in the experiment. The data clearly reflect the mine's low-iron, high-vanadium, and ultra-high titanium characteristics. The X-ray diffraction (XRD) pattern of the raw ore in Figure 1 shows that the phases of …
An innovative method for recovering valuable elements from vanadium-bearing titanomagnetite is proposed. This method involves two procedures: low-temperature roasting of vanadium-bearing titanomagnetite and water leaching of roasting slag. During the roasting process, the reduction of iron oxides to metallic iron, the …
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 …
The proven iron ore (mainly vanadium-titanium magnetite) reserves are 73.8 million tons, accounting for 11% of the world's reserves [30], [31]. The dominant minerals in the iron ores include magnetite, Geochemical conditions.
Materials. Table I shows the chemical composition of the ultra-high-titanium vanadium–titanium magnetite concentrate (<75 μm) used in the experiment. The data …
Drilling highlights reported by Randsburg included 142 meters of 0.27% Vanadium (0.48% Vanadium Pentoxide) from hole RA-5-21 and 174 meters of 0.26% Vanadium (0.46% Vanadium Pentoxide) from hole ...
Starting publication in 1980, Iron Steel Vanadium Titanium (hereinafter referred to as 'ISVT') is a Chinese bimonthly with domestic and international publication codes CN51-1245/TF and ISSN 1004-7638 respectively and the CODEN GTFTAB. ISVT is honored as 'Chinese Core Journal', 'Core Scientific and Technical Journal of China', Core ...
1. Introduction. Vanadium-titanium iron ore tailings (VTIOT) is solid industrial waste produced during the beneficiation process of vanadium-titanium magnetite (VTM) [1], [2], which has been stockpiled in huge quantities in China [3], [4], with cumulative stockpiles exceeding 7.5 billion tons [5], not only occupying a large amount of land, but …
1. Introduction. 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 …
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 …
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 …
This paper investigated a pellet ore production process in which vanadium was extracted from vanadium and titanium magnetite concentrates using sulfuric acid leaching. Calcium and magnesium were added to the iron ore concentrate during pellet production to produce calcium vanadate and magnesium vanadate after roasting. The …