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 ...

alloying agent for iron and steel, accounted for about 94% of domestic reported vanadium consumption in 2021. ... producing the majority of its vanadium from vanadiferous iron ore processed for steel production. In response to the global pandemic, China's Government implemented ... niobium (columbium), titanium, and tungsten, are to some ...

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.

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-titanium magnetite has coarse particle size, small specific surface area, poor surface hydrophilicity and low strength when being made into pellets. However, vanadium-titanium magnetite pe...

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-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 [1–4]. Titanium, as an indispensable metal raw material for the modern industry and advanced science and technology, is mostly derived from the vanadium-

The main products of vanadium-titanium magnetite beneficiation are titanium iron concentrate (iron ore) containing about 50% of titanium in V-Ti magnetite, ilmenite concentrate containing about 50% of titanium, and cobalt sulfide concentrate [1–4]. Titanium iron concentrate is mainly used for iron making through blast furnace

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.

We present an optimized magnetic separation process to improve the recovery of high-content vanadium and titanium concentrates from vanadium‑titanium magnetite (VTM) …

The method first sinters the raw ore into a spherical shape or a block shape, and then selectively reduces iron and vanadium through blast furnace roasting to form a vanadium-rich molten iron, while the element titanium enters the slag in the form of TiO 2 [1]. Subsequently, the vanadium slag and the semi-steel are obtained by blowing the ...

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).

In this study, an efficient utilization of vanadium titanomagnetite concentrate was systemically investigated through potassium pyrosulfate (K2S2O7) synergized with ammonium …

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

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 ore containing titanium and vanadium could be reduced significantly in the solid state with methane-hydrogen mixture up to 400 °C lower than is needed in ordinary solid state carbothermic ...

The Mount Peake ore is estimated to contain 0.28% vanadium pentoxide, 5.31% titanium dioxide, and 22.81% iron oxide. During the phase one production, the mine will produce 17,560tpa of vanadium pentoxide, 236,000tpa of high-quality titanium dioxide pigment, and 637,000tpa of pig iron. Mining and ore processing for the Mount Peake mine

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 ...

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.

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 …

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 ...

In Mongolia, about 111 iron ore deposits and occurrences are known to exist in the country; however, only five deposits are of marginal economic interest. ... Rare occurrences of titanium and vanadium are known in western Pre-Khuvsgul, Mongol Altai, and eastern Mongolia (United Nations Publication 1999; Ochirbat et al. 2008).

An innovative method for recovering valuable elements from vanadium-bearing titanomagnetite is proposed. This method involves two procedures: low-temperature roasting …

Resources, uses, and market. Vanadium is the 22nd most abundant element in the continental crust and it accounts for approximately 0.014% of it (Rudnick and Gao Citation 2003); however, concentrations of at least an order of magnitude higher, and preferably two orders of magnitude higher are required for the economic recovery of vanadium from ore deposits.

Due to the low efficiency and high energy consumption of coal-based reduction, gas-based reduction has been fully developed [2, 12].The thermodynamic analysis on gas - based reduction of vanadium‑titanium magnetite indicates that the vanadium‑titanium magnetite is more difficult to be reduced than ordinary iron ore, and the hydrogen-rich reducing gas was …

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 …

Occurrence and distribution of titanium ore in nature. ... It contains varying amounts of iron and titanium, and is typically black or dark brown in color. Ilmenite is the main source of titanium used for industrial purposes, including the production of titanium metal, titanium dioxide pigment, and other titanium compounds. ... Vanadium (V) Ore ...

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 …

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 …

The chemical composition, occurrence state of elements, mineral composition, dissemination relationship and size distribution of the vanadium titanium magnetite ore in Chaoyang were analyzed ...