This article presents a new method to extract iron, titanium, vanadium, and chromium from high-chromium vanadium-bearing titanomagnetite concentrates, which are widely distributed in China. The method involves selective reduction, magnetic separation, and leaching processes. The advantages and limitations of this method are compared …

1. Introduction. 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 …

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 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 …

The results show that high chromium vanadium-titanium magnetite sinter is mainly composed of magnetite, hematite and a small amount of calcium ferrite and silicate, while high titanium vanadium ...

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 titanium from ...

Gas-based reduction roasting magnetic separation process was conducted to separate and recover iron and titanium from oxidized vanadium titano-magnetite (VTM). The effects of reduction temperature, gas composition, reduction time, grinding fineness, and magnetic field intensity on the efficiency of Fe-Ti separation were …

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 [1,2,3,4].Titanium iron concentrate is mainly used for iron making through blast furnace …

of 85.49% were obtained when the vanadium-titanium magnetite concentrate was reduced for 100 min at 1623 K with a C/O molar ratio of 2.5 and 8% CaCO 3, followed by separating at a magnetic field

It oxidizes readily about 933K. There are two naturally occurring isotopes of vanadium, and 5 radioisotopes, V-49 having the longest half-life at 337 days. Vanadium has nuclear applications, the foil is used in cladding titanium to steel, and vanadium-gallium tape is used to produce a superconductive magnet.

Vanadium improves the strength of titanium, and vanadium-titanium alloys have been used in the construction of aircraft.

A new process of extracting titanium from vanadium–titanium magnetite (VTM) in the Panxi area in Sichuan, China is introduced in this work. Various …

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 were investigated. The results indicate that potassium salt roasting additives are more efficient than sodium and calcium salt and …

Coal-based reduction and magnetic separation behavior of low-grade vanadium-titanium magnetite pellets were studied in this paper. It is found that the metallization degree increased obviously with an increase in the temperature from 1100 °C to 1400 °C. The phase composition transformation was specifically analyzed with X-ray …

At present, the methods of comprehensive utilization of vanadium-titanium magnetite tailings are mainly divided into two categories: tailings reseparation (Valuable metal recycling) and overall utilization. According to the nature and composition of the tailings, in the tailings reseparation uses gravity separation, magnetic separation, …

The susceptibility measurements on titanium are on the caesium alum, which is of a somewhat different variety, i.e., Lipson and Beevers' "β‐type," but the only important change is in the fourth‐ rather than second‐order terms coming from the distant atoms, and the fourth‐order portion is significant only for the V rather than Cr ...

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 …

Enhancing Reduction Separation and Efficient Recovery of Iron, Vanadium, and Titanium for Ultra-High-Titanium Magnetite. Original Research Article. Published: …

In this paper, magnetization roasting - low-intensity magnetic separation was performed on a pre-concentration concentrate obtained from an Australian hematite containing titanium and vanadium to realize the separation of titanium and vanadium. The results showed that an iron concentrate with TFe (total iron) grade of 58.71%, iron …

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 extraction tailings are black powder, which is an excellent photothermal conversion material and magnetic material . Vanadium titanium black porcelain was produced after adding a certain proportion of vanadium extraction tailings (25–) in traditional ceramic materials.

The proposed magnetic roasting technology provides a new idea and method for the separation of vanadium and titanium from hematite containing vanadium and …

Abstract. A kind of vanadium-substituted Keggin type polyoxometalate Na 7 [CoW 11 VO 40]·16H 2 O doped magnetic carbon nitride (CoWV/mCN) have been prepared by simple dipping method. Hybrid CoWV/mCN has been characterized by SEM, EDS and FTIR. The photocatalytic oxidation property has been inspected by degradation …

OY furnace, an improvement of COREX, is the vigorously developed environmentally friendly iron-making process. However, it has a higher fuel ratio than blast furnace. The high prereduction degree (PRD) of direct reduction iron (DRI) is beneficial to decrease the fuel consumption of OY furnace but also affect the softening, melting, and …

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 …

1. Introduction. The vanadium–bearing titanomagnetite (VBT) is a strategic and complex iron ore, which containing valuable metals of vanadium, titanium, and iron used as constituents of several alloys, whitepigments, and steel [1], [2], [3].In China, the gross reserve of titanium in VBT ore is estimated to be about 1.18 million tons, …

Metalizing reduction and magnetic separation of vanadium titano-magnetite based on hot briquetting Shuang-yin Chen and Man-sheng Chu School of Materials and Metallurgy, Northeastern University, Shenyang 110819, China ... agglomerates is 1480 N, and the recovery ratios of iron, vanadium, and titanium are as high as 91.19%, 61.82%, and …

To achieve high efficiency utilization of Panzhihua vanadium titano-magnetite, a new process of metalizing reduction and magnetic separation based on hot briquetting is proposed, and factors that affect the cold strength of the hot-briquetting products and the efficiency of reduction and magnetic separation are successively …

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 …

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