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Upgraded titanium slag (UGS) is one of the fundamental products of the carbothermal reduction of titanium ore such as ilmenite. Natural rutile and synthetic rutile are also included in this raw material category. ... An investigation of the CaCl 2 effect on the calcium vapor reduction ... Schenk, J. Iron ore reduction by hydrogen using a ...
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Enhancing Reduction Separation and Efficient Recovery of Iron, Vanadium, and Titanium for Ultra-High-Titanium Magnetite. Original Research Article. Published: …
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The effect of K 2 S 2 O 7 dosage on the leaching rates of vanadium, titanium, and iron under the conditions of 4:1 mass ratio of (NH 4) 2 SO 4 to ore, 240 °C first-order temperature, 3 h first-order time, 410 °C second-order temperature, and 2 h second-order time was investigated, as shown in Fig. 4f.
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TiO 2 grade of titanium concentrate and the iron recovery of reduced iron products gradually decreased with an increase in calcium fluoride dosage, which shows …
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@article{Wu2022IndividualEO, title={Individual enrichment of titanium and iron from low-titanium beach titanomagnetite via preconcentration-reduction roasting and magnetic separation with calcium fluoride}, author={Shichao Wu and Zheng-yao Li and Ti-chang Sun and Shixian Lu and Zhanmin Cao}, journal={Powder Technology}, …
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The application of chlorination metallurgy was introduced. The thermodynamic feasibility of treating ores by chlorination metallurgy was also analyzed. As a very effective metallurgical method for processing complex metal minerals, Chlorination metallurgy has been widely used in the metallurgical industry. In this paper, the …
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Iron and titanium recovery from a refractory ore was achieved. •. Traditional iron and titanium separation was not a good choice. •. Heavy medium powder …
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The titanium in the ore mainly exists in the forms of ilmenite and titanomagnetite. (2) Through the conventional method of separating iron first and then titanium, both iron and titanium concentrate could not be obtained, which would cause the great loss of natural resources and the production cost was also relatively high. (3)
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The effect of Ti-oxide on the sintering behaviour of iron ore has been studied by doping pure TiO2 to a sinter blend in laboratory tests. The results showed a considerable effect of TiO2 on sinter ...
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Only the high-quality sinter can ensure the smooth flow of coal gas from the bottom to the top of the blast furnace. Compared with ordinary iron ore, the sinter quality of vanadium‑titanium magnetite (VTM) is poor, with low drum strength and wear resistance index, which leads to problems such as poor air permeability, low indirect reduction rate, …
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The Effect of Titanium on Ore Sintering A anism whereby this is achieved is thought to involve the formation of complex titano carbonitrides, of very high melting points, which precipitate out in the cooler areas of the hearth, i.e. areas with greatest heat loss, 5) as additional refractory.3 ~ in the area shows that survey of the literature ...
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Some scholars have proposed adopting non-blast furnace ironmaking to treat sea sand ore, using coal-based direct reduction and magnetic separation to recover iron and titanium from ilmenite, and ...
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These are not conducive to the treatment and utilization of VTMT on a large scale. Thus, it is preferred to extract further valuable metals such as iron, titanium, vanadium, and scandium from the ...
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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, …
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Titanium (Ti) Ore. Modified date: 23/04/2023. Titanium is a chemical element with the symbol Ti and atomic number 22. It is a lustrous, silver-grey transition metal known for its high strength, low density, and excellent corrosion resistance. Titanium is widely used in various industrial applications due to its unique properties.
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The industrial trails show that when the fluxed iron ore ratio is increased, the beneficial effect of the superior sintering characteristics of the fluxed iron ore itself is ideally balanced with ...
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The sintering basic characteristics of iron ore play a key role in the process of sintering. In this study, the effects of B2O3 on the assimilation characteristics, softening temperature, fluidity ...
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Leaching and solvent extraction of total iron and titanium has been studied. A detailed investigation on quantitative leaching of the mineral and separation by solvent extraction were also carried ...
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This work studied the effect of B2O3 (analytical reagent) on the parameters of a sintering pot test, as well as the metallurgical properties and microstructure of the sinter samples, to determine the feasibility of applying solid waste containing B2O3 in vanadium–titanium sintering. The results show that along with B2O3 addition, the …
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Our group originally investigated the effect of temperature on FeO reduction, i.e., TiO 2-upgrading, from ilmenite ore from 1723 to 1923 K 13. Unlike the expectation that the Ti-yield would be ...
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The minerals badly effected on the iron ore smelting are usually sulfur, phosphorus, potassium, sodium, lead, arsenic, zinc, titanium and copper. Generally, they have the following bad effects on smelting: Elements that bad for iron ore smelting 1 Sulfur (S): it is the most harmful element to iron ore smelting. It will make the steel with hot ...
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The use of iron ores bearing titanium as a raw material is an effective measure to prevent hearth erosion and prolong the life of a blast furnace. In this research, the effect of titanium content on the precipitation behaviors of high-melting phases of carbon-saturated molten pig iron were studied by confocal scanning laser microscopy. …
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Fig. 2 illustrates the iron ore beneficiation process, particularly magnetic separation, resulting in the generation of inevitable tailings. Due to the characteristics of iron ores and the conditions during beneficiation, it is inevitable that approximately 2.5–3 …
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Due to the formation of large particles when titanium concentrate powder is stored for a long time and to avoid its impact on pelletizing, a 200 mesh square mesh sieve is used to screen the titanium concentrate powder and remove the larger particles. 2–3 kg of titanium concentrate powder was weighed, 1.2% bentonite was added, and water …
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The important metals Fe and V and Ti and Cr are abundant in high-chromium vanadium-titanium magnetite (HCVTM). It is an essential and unique mineral resource used in the production of iron and the extraction of V and Cr products [[1], [2], [3], [4]].There are 3.6 billion tons of HCVTM reserves in the Hongge district in China [5], and these …
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The effects of basicity and temperature on the reduction process of Hongge high-chromium vanadium-titanium magnetite (HCVTM) sinter were investigated in this work. The main characterization methods of X-ray fluorescence (XRF), X-ray diffraction (XRD), scanning electron microscope (SEM), and metallographic microscope were …
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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 on the …
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The Effect of Titanium on Reduction Degradation of Iron Ore Agglomerates. A strong correlation between the reduction degradation index (RDI) of production sinter and the …
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Low-grade vanadiferous titanomagnetite ore (LVTM) is as an important mineral resource for sintering ore manufacturing. Furthermore, TiO 2 has a significant …
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The result shows that 95.87% of vanadium and 80.13% of iron could be extracted, while that of titanium was only 9.68% under the condition of first-order temperature and time …
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The effect of TiO2 on the crushing strength for high-Cr V-Ti magnetite pellets was studied in this paper. On one hand, the crushing strength obviously decreased with the increasing TiO2 contents. On the other hand, the crushing strength had an obvious increase after grinding treatment for the high-Cr V-Ti magnetite and titanium …
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In conclusion, the presence or absence of titanium in an iron ore determines the types of magnetic separators used to separate the ores, as well as their genetic rock origin, …
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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 …
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Fig. 2 illustrates the iron ore beneficiation process, particularly magnetic separation, resulting in the generation of inevitable tailings. Due to the characteristics of iron ores and the conditions during beneficiation, it is inevitable that approximately 2.5–3 tons of IOTs are generated for every 1 ton of iron ore concentrate produced [7].In 2019, …
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chromium. TiO contents in the titanomagnetites used for the sintering are variable; one of. the reasons is of course their enrichment. In general, they are within the range of. 1÷7% [18÷22], or ...
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Titanium-bearing iron ores are found in many large deposits around the world and are becoming an important alternative source of iron ore due to the shortage of economic high purity ores. For instance, high titanium (and vanadium) magnetite concentrates account for more than 14% of China's national iron ore resources.
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