Optimized magnetic separation for efficient recovery of V …
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.
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.
Vanadium–titanium ore is abundant in iron, vanadium–titanium elements, and trace amounts of chromium, cobalt, and other rare metal elements, making it highly valuable for mining and utilization [1,2,3]. These ores are …
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 and …
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
This paper looks at the methods used and various process routes being considered for potential new titaniferous magnetite projects. CITATION:Connelly, D, 2019. Titaniferous magnetites as a source of vanadium titanium and iron, in Proceedings Iron Ore 2019, pp 441448 (The Australasian Institute of Mining and Metallurgy: Melbourne).
Vanadium can be recovered from titaniferous magnetite ore by either of two processes: (1) precipitating a vanadium salt from a leach of ore roasted with salt, or (2) precipitation from a …
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 …
Vanadium (V), titanium (Ti), and iron (Fe) are important metal elements recognized worldwide. Vanadium-titanium magnetite (VTM) ore is the main source of V, Ti, and Fe in nature with a high comprehensive utilization value [1,2,3]. China is one of the countries which has the richest resources of VTM in the world. At present, the mainstream route ...
Vanadium does not form concentrated deposits like other metals such as copper, nickel or zinc. It is widely dispersed in the Earth's crust, with V 3+ replacing Fe 3+ or Al 3+ in a number of minerals. Vanadium as V 3+ can substitute for Fe 3+ in magnetite (Wenk and Bulakh, 2004); vanadium(III) and iron(III) ions have near identical ionic radii in octahedral sites of …
In this paper, we study the possibility of obtaining iron and titanium-vanadium concentrates with highest contents of iron and titanium, respectively, through hydrometallurgical processing of the titanomagnetite ores of the Chineisk …
Request PDF | Iron, Manganese, Chromium, Titanium and Vanadium Deposits | In Mongolia, about 111 iron ore deposits and occurrences are known to exist in the country; however, only five deposits ...
The sum of calcium, manganese and chromium oxide concentrations is only 0.5%. The objective of the present investigation was to identify a processing route for the Pipestone Lake titanomagnetite ore for the recovery of vanadium, titanium and iron products which can be utilized in industry.
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).
Compared with the vanadium–titanium magnetite in China's Panzhihua and Chengde and Russia, New Zealand, and South Africa,[4–11] this mine not only has an ultra-low-grade vanadium–titanium magnetite, but also the characteristics of high vanadium and ultra-high titanium.[3,12–14] This mine is a composite iron ore
A large number of unexploited low-grade vanadium-titanium magnetite deposits have been found in the Chao-yang area of China in recent years. The reserves are estimated at more than 20 billion tons. A mineralogical study of raw sample indicated that it was a typical low-grade vanadium-titanium magnetite ore with weathering. Most of vanadium-titanium magnetite …
A novel process for recovering iron, titanium, and vanadium from titanomagnetite concentrates has been developed. In the present paper, the treatment of rich titanium–vanadium slag by NaOH molten salt roasting and water leaching processes is investigated. ... A significant titanomagnetite ore deposit is located at Panzhihua, Sichuan Province ...
Vanadium is typically found within magnetite iron ore deposits, and is usually mined as a byproduct and not as a primary mineral. Vanadium is often agglomerated with titanium, which must be ...
Keywords Vanadium–titanium magnetite · Smelting separation · Electric furnace smelting · Ecient utilization of iron ore Introduction South African vanadium–titanium magnetite is a complex mineral resource rich in iron, vanadium, titanium, and chro-mium [1–3]. Its ore composition is composed of more than 20 elements [4–6].
The critical role of vanadium in metallurgy and the increasing commercialization of vanadium redox flow batteries have contributed to a rise in market demand for vanadium, emphasizing the need to ensure the sustainability of vanadium production. Converter vanadium slag and stone coal, generated during the smelting process of vanadium–titanium magnetite, …
Over recent years, a lot of work has been undertaken to process lower grade titaniferous (8-16% TiO 2) magnetite deposits to produce vanadium, titanium pigment and iron oxides using …
In this work, diboron xide and calcium fluoride are applied as composite additives to explore a process suitable for processing low-grade, high-vanadium, ultra-high …
A reducing roast process has been shown to be effective for separating iron from vanadium, titanium and chromium in titanomagnetites, enabling the production of separate …
Vanadium-rich minerals in magmatic deposits may include vanadiferous magnetite, which is a common ore mineral containing vanadium, iron, and other elements. ... These magmatic deposits can occur in association with other minerals, such as iron, titanium, and chromium, and may be found in layered intrusions or in the form of disseminated ...
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 ...
This study addressed the separation and recovery of vanadium(IV), iron, and titanium from synthetic and real leach solutions of vanadium-bearing titanomagnetite using extractant P204 (di-(2-ethylhexyl) phosphate) and P507 (2-ethylhexyl hydrogen-2-ethylhexyl phosphonate). Based on the speciation analysis of vanadium in sulfuric acid medium, the …
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 of vanadium coming from ...
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 pellets were leached …
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, …
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 ...
Basite minerals mainly contain iron, titanium, and vanadium. The basic and ultrabasic rocks contain iron, titanium, and vanadium, accompanied by high contents of chromium, cobalt, nickel, and platinum-group elements. The V-bearing titanoferrous magnetite is not only an important source of iron but also contains high-value materials, including ...
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