Vanadium titanium magnetite (V–Ti) ore is one kind of important polymetallic minerals in China and the mainstream route of comprehensive utilization process is blast furnace (BF) → basic oxygen furnace (BOF). V–Ti sinter is one of the main burdens employed for BF and poor tumbler strength (TI) limits its efficiency. In order to optimize the V–Ti blends for sinter TI, …
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 …
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 …
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 process for treating titaniferous iron ore or concentrate having a total iron content of at least 40% and a titanium dioxide content of less than 25% which comprises a. roasting the finely divided titaniferous iron ore or concentrate in ann oxidizing atmosphere and in the presence of a roasting agent made up of a mixture of (1) a sodium oxide ...
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 …
Iron extraction from VTM is an issue for the utilization of Vanadium titanomagnetite concentrate. In this work, flotation method combined with magnetic sorting was proposed to …
Zhang et al. studied the distribution behavior of vanadium and titanium in the process of smelting vanadium–titanium magnetite with HI at 1450 °C and a basicity of 0.3–1.2 through the Hismelt process experiment. Increasing the C content and decreasing the basicity increase the vana-dium content in the metal and the TiO 2 content in the slag,
In the first process, vanadium containing titanomagnetite ore is reduced in an electric arc furnace and vanadium is collected in the iron phase. In a subsequent operation, …
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 …
purity titanium dioxide, iron oxide and vanadium pentoxide from ilmenite ores and concentrates. ... and production of high purity titanium dioxide from ilmenite ore [11-15]. Ilmenite Ore Processing .
Grinding: The raw ore enters the ball mill for grinding, and works together with the classifier to form a closed-circuit ring mill. Separation: After two stages of magnetic separators, iron ore and other magnetic impurity minerals …
An innovative method for recovering valuable elements from vanadium-bearing titanomagnetite is proposed. This method involves two procedures: low-temperature roasting of …
This study is focused on the detailed investigation of the process mineralogy of a typical Vanadium titano-magnetite concentrate (VTM) to efficiently utilize its valuable elements like iron, vanadium, and titanium. The investigation covers mineral phase composition, phase-embedding properties, and the distribution behavior of the main elements ...
South African vanadium–titanium magnetite is a complex mineral resource rich in iron, vanadium, titanium, and chromium [1,2,3].Its ore composition is composed of more than 20 elements [4,5,6].It is the most complex ore of its type in the world and contains more than 10 valuable elements, so it has a very important integrated utilization value.
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 also causing serious environmental pollution …
Vanadium ore mainly includes vanadium-titanium magnetite and weakly magnetic iron ore containing vanadium and titanium, such as vanadium-titanium hematite, ... Structural Changes and Element Migration during Oxidation Process of Vanadium-titanium Magnetite Ore, 23 (2016) 1160-1167. Google Scholar [16] T. Laxmi, S.S. Srikant, D.S. Rao, R. Bhima Rao.
the ore posses high potential as a unique combination of iron, titanium, vanadium, ilmenite, copper–nickel sulphides and platinum. Pre-treatment of lump material by magnetic separation ... or the development is in process. For medium-titanium ore, the Kola Science Center has developed a technology for processing titanomagnetite ...
Abstract Vanadium titanomagnetite (VTM) is a complex polymetallic symbiotic mineral dominated by iron, titanium, and vanadium. Iron extraction from VTM is an issue for the utilization of Vanadium titanomagnetite concentrate. In this work, flotation method combined with magnetic sorting was proposed to separate and recover the iron resources from VTM. The …
Vanadium-titanium magnetite, a multi-metallic ore rich in iron, titanium, vanadium, and various other metals, plays a pivotal role in high-quality steel production and finds applications across diverse sectors, including aerospace, medical devices, and energy storage [1,2,3].While the mineral composition varies regionally, Chinese deposits predominantly …
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 deposit. We varied two key parameters to determine the efficiency of the process: (a) concentration of leaching solution (ammonium fluoride); and (b) …
A new process comprising metallizing reduction, magnetic separation, and electroheat melting separation is proposed with the aim of achieving high recoveries of iron, vanadium, and …
The vanadium-iron-titanium deposit discovered by TNG in 2008 is located within the Neoproterozoic sediments of the Georgina Basin. The ore body is hosted by a differentiated basic sill with minor ultrabasic layers. ... Mining and processing of ore at the Mount Peake Mine. The conventional drill and blast mining method, followed by truck and ...
A novel process featuring pressurized pyrolysis of ammonium chloride-acid leaching-solvent extraction was carried out to separate vanadium, titanium and iron from vanadium-bearing titanomagnetite ...
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...
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 …
In order to extract vanadium, titanium, and iron from VBT ore, currently, the most common and mature treatment method in China is the blast furnace smelting [10]. ... a combined solvent extraction and acid leaching process were used to recover vanadium, iron, and titanium. Meanwhile, the secondary chlorination of HCl gas with vanadium and iron ...
The ores undergo either blast furnace smelting or are blended with raw materials of iron ore for processing. ... Enhancing reduction separation and efficient recovery of iron, vanadium, and titanium for Ultra-high-titanium magnetite. Metall. Mater. Trans. B, 55 (1) (2024), pp. 287-300, 10.1007/s11663-023-02958-3. View in Scopus Google Scholar
As shown in Figure 4, all of the process indexes, including titanium content (ω(TiO 2)), recovery ratio of titanium (η(TiO 2)) in the non-magnetic fraction, recovery ratio of vanadium (η(V 2 O 5)), iron content (ω(TFe)), and recovery ratio of iron (η(Fe)) in the magnetic fraction, increase with increasing magnetic intensity from 25 mT 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 cobalt [1] [2] [3]. The ...
DOI: 10.1177/030607 Corpus ID: 273734410; Experimental study on parameters optimisation of adding vanadium-titanium magnetite to iron ore pellet @article{Kou2024ExperimentalSO, title={Experimental study on parameters optimisation of adding vanadium-titanium magnetite to iron ore pellet}, author={Ming-yin Kou and Pengfei Ji …
A sodium modification-direct reduction coupled process was proposed for the simultaneous extraction of V and Fe from vanadium-bearing titanomagnetite. The sodium oxidation of vanadium oxides to water-soluble sodium vanadate and the transformation of iron oxides to metallic iron were accomplished in a single-step high-temperature process. The …
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).
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 deposit.