titanium vanadium magnetite

The quality of vanadium–titanium magnetite sinters is poor. The high-pellet operation of the blast furnace ironmaking process is a feasible method for utilization of the High-chromium Vanadium–titanium magnetite (HVTM). To ensure the basicity of the burden, flux pellets need to be investigated. In this study, HVTM concentrate and CaCO3 …

XRD patterns for vanadium-titanium magnetite. ISIJ International, Vol. 58 (2018), No. 4. was shown in Figs. 5–6. In the shaded area, metal and slag can be well separated. Figure 5 shows that when the ratio of carbon is 2.0 to 2.8 and the content of NaOH is 30% to 45% at 1 473 K, metal and slag can be well separated.

The development process and current situation of vanadium extraction from vanadium-titanium magnetite ore were introduced in the paper.The advantages,disadvantages,main process parameters and technical indexes of vanadium extraction process were represented,too.Aiming at the typical disadvantage of present vanadium extraction …

The vanadium-titanium magnetite (VTM) has a high comprehensive utilization value because it is an important source of iron (Fe) and other elements such as titanium (Ti) and vanadium (V). In this study, VTM was first used as a PMS activator to evaluate the degradation of bisphenol A (BPA) in the aqueous solution. ...

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 …

Vanadium-titanium magnetite is a complex mineral, and distributes widely throughout the world, mainly concentrated in Russia, China, South Africa, New Zealand, Canada and Australia [].The Pan-xi area of China has rich vanadium-titanium magnetite deposits with reserves more than 9.66 billion tons, of which titanium and vanadium …

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 …

The results indicate that the optimal process parameters for direct reduction of vanadium–titanium magnetite in a rotary kiln are as follows: a reduction temperature of 1150 °C, reduction time of 4 h, carbon ratio 1.2, particle size of vanadium–titanium magnetite as 8–12 mm, and particle size of pulverized coal of <8 mm.

1. Introduction. Vanadium-titanium magnetite (VTM) is considered as an important strategic mineral, which associated a variety of metal minerals with high comprehensive utilization value [1].The smelting methods of VTM mainly include blast furnace process and coal-based rotary kiln process at present [2, 3].As one of the main …

Vanadium-titanium (V-Ti) magnetite tailings have caused great concern due to their safety hazards and environmental risks. However, the microbial community structure and the key geochemical factors of V-Ti magnetite tailing profiles under different management modes remain unclear. Therefore, we investigated the heavy metal …

A large amount of vanadium-titanium (V-Ti) magnetite tailings are generated in the iron (Fe) concentrate recovery process in this mining area (Li et al., 2020a). These tailings from large-scale mining activities are usually dumped in dams and become one of the main sources of potential V contamination due to a mass of V still …

At the same time, the efficient utilization of valuable components such as iron, vanadium, titanium, and chromium in vanadium-titanium magnetite can also …

This is an essay in the field of mineral engineering. This paper summarizes the distribution of vanadium titanium magnetite in the world and its comprehensive utilization progress. vanadium titanium magnetite is a composite ore of iron, titanium and vanadium, which is also associated with chromium, gallium, scandium, cobalt, nickel, copper, platinum group …

Vanadium and titanium magnetite ore is a complex iron ore containing various valuable metal elements such as iron, vanadium, and titanium. Vanadium-titanium magnetite ore is a major source of vanadium found in various countries, such as Australia, China, Russia, and South Africa. 1, 2 Significant research has been conducted …

The experimental results show that maintaining a certain carbon content in the reduction products of vanadium–titanium magnetite is conducive to the reduction of …

The concentrate is classified as high-vanadium vanadium titano-magnetite concentrate, containing 51.64% iron, 12.96% titanium, and 1.52% vanadium. The extraction of vanadium from this type of VTM typically involves wet metallurgical processes to extract vanadium first, followed by pyrometallurgical processes to recover molten iron …

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 …

Since vanadium exists in ilmenite (see Fig. 1 and Table 2), the rapid increase of titanium grade and recovery rate (i.e., high phase content of ilmenite) at a high …

The reserves of vanadium–titanium magnetite exceed 18 billion tons [], accounting for over 90 wt.% of China's titanium resource reserves [2, 3].At present, the blast furnace method of smelting vanadium–titanium magnetite only recovers Fe and a part of V [].Due to the low titanium content [5, 6] and the difficulty in dissociating the Ti …

The vanadium‑titanium magnetite with 67% passing 0.074 mm was taken from Chaoyang city, Liaoning province, China. The chemical compositions of vanadium‑titanium magnetite ore are presented in Table 1, which were determined by chemical methods combined with X-ray fluoroscopy (XRF).The vanadium‑titanium …

As the vanadium in vanadium-titanium magnetite is mainly concentrated in the titanomagnetite as an isomorphism, the vanadium in the weakly magnetic iron ore containing vanadium and titanium mainly occurs in iron ore. Therefore, regardless of ore type, it is difficult to effectively separate vanadium and titanium using the existing …

Vanadium–titanium magnetite tailings (VTMT) are a common industrial waste in China, which are harmful to the environment and economic development. The efficient utilization of this industrial waste is urgently needed. Herein, ceramics were successfully prepared as partition materials using VTMT as the main raw material. In this …

Vanadium ores. 2. Magnetite. I. Title. II. Series. III. Series: United States Geological Survey Professional Paper 926-B. TN490.V2F49 553'.462 75-619222 For sale by the Superintendent of Documents, U.S. Government Office ... coproduct iron, titanium, and vanadium has been proposed (Udy, 1962). The titaniferous magnetite deposit at ...

Lightweight ed ceramics were prepared using 55 wt.% vanadium-titanium magnetite tailings (VTMT) followed by sintering at 1130 °C. In the CaO-MgO-SiO2-Al2O3 ed ceramic quaternary system, the CaO and SiO2 components play an important role in adjusting material properties and controlling phase transition. In this …

In China, two typical vanadium–titanium magnetite ores were used as raw materials in iron making. In order to obtain the differences in the high temperature metallurgical properties of these ores, the phase and microstructure of on-site sinter, pellet, slag and laboratorial non-dripped slag were analyzed by XRD and SEM–EDS. The …

As one of the important mineral resources, the vanadium-titanium magnetite (VTM) has been exploited on a large scale, producing a large amount of VTM tailings and causing serious environmental concerns [2, 3]. However, the valuable elements including titanium, iron and vanadium contained in these tailings make VTM tailings a useful resource [4 ...

The slag ing caused by Ti(C,N) is the main limitation of smelting vanadium–titanium magnetite by blast furnace. COREX, with unique pure oxygen injection that avoids the formation of Ti(C,N), has a huge potential advantage for the smelting of vanadium–titanium magnetite. In the present study, the detailed …

Vanadium titanomagnetite (VTM) is an important mineral for developing titanium resources, but the comprehensive recovery of ilmenite separation is extremely poor, resulting in the low-efficiency utilization of titanium …

One can observe that the main phase of the calcined vanadium-titanium magnetite pellets is magnetite (Fe 3 O 4), and there are also some vanadium-bearing titanium phases, ilmenite (FeTiO 3), …

735310a1-4665-4206-8f65-5ef377b31cee (as Titanium-bearing Magnetite) 638fda79-4914-4fc0-9169-3c497a942ec8 (as Magnetite) Chemistry of Titanium-bearing MagnetiteHide ... (2010) Hawkwood Iron-Titanium-Vanadium Project Southeast Queensland. New England Orogen 2010, NEO 2010 Conference Proceedings, University of New England, 388 …

As a multi-metallic iron-based ore, vanadium-titanium (V-Ti) magnetite has huge reserves in China, with a mineable grade of 9.83 billion tons (Li et al., 2018). A large amount of V-Ti magnetite tailings have been generated in the selection process of Fe concentrate, with an accumulated storage of about 570 million tons in the Panzhihua …

Vanadium titanomagnetite (VTM) is an important mineral for developing titanium resources, but the comprehensive recovery of ilmenite separation is extremely poor, resulting in the low-efficiency utilization of titanium resources. Here, the separation of ilmenite from VTM ore is studied by combining magnetic separation and flotation …

International Journal of Minerals, Metallurgy and Materials - The reduction of vanadium titano-magnetite pellets by H2–CO at temperatures from 850 to 1050°C was investigated in this...

To achieve the high-efficiency utilization of vanadium-titanium magnetite (VTM), reduction experiments were conducted to determine the carbothermic reduction mechanism of VTM. Effects of volatile matter, temperature, time, and carbon ratio (molar ratio of fixed carbon in coal to oxygen in iron oxides of VTM) on reduction degree were …

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 …

A novel process for recovery of iron, titanium, and vanadium from titano- magnetite concentrates: NaOH molten salt roasting and water leaching processes [J] Journal of Hazardous Materials, 244/245 (2013), pp. 588-595. View PDF View article View in Scopus Google Scholar. 3.

In this paper, potassium salt roasting additives were applied to extract vanadium from vanadium–titanium magnetite concentrate. Meanwhile, the mechanisms of potassium salt roasting and acid leaching kinetics …

The main products of vanadium-titanium magnetite beneficiation are titanium iron concentrate (iron ore) containing about 50% of titanium in V-Ti magnetite, ilmenite …