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AS an important iron ore resource, vanadium–tita-nium magnetite is the main raw material for the preparation of vanadium, titanium and their oxides and has a high utilization value.[1–4] There are many technologies for the utilization of vanadium–titanium magnetite. Blast furnace-converter process is relatively
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This study addressed the separation and recovery of vanadium(IV), iron, and titanium from synthetic and real leach solutions of vanadium-bearing titanomagnetite using extractant P204 (di-(2-ethylhexyl) phosphate) and P507 (2-ethylhexyl hydrogen-2-ethylhexyl phosphonate). Based on the speciation analysis of vanadium in sulfuric acid …
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A method for recovery of iron, titanium, and vanadium from vanadium-bearing titanomagnetite Yi-min Zhang1,2,3), Li-na Wang2,3) ... as well as with the use of anthracite as a reductant. Under the optimal conditions, 93.67% iron from the raw ore was recovered in the form of iron nugget with 95.44% iron grade. After a water leaching process, 85.61 ...
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separation of vanadiumtitanium Sikkim . SAMAC Mining and Construction Machinery Co., ... 2015 seprating vanadium titanium and iron ore. 2014 seprating vanadiumtitanium and iron orep18 jun 2014 more about ...
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The oxidation kinetics, structural changes, and elements migration during the oxidation process of the vanadium-titanium magnetite (VTM) ore were analyzed. Kinetics analysis indicated that the oxidation process was controlled by diffusion control and could be divided into interface diffusion and lattice diffusion with apparent activation …
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1. Introduction. 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 …
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The purpose of this research is to study the material composition of the Tebinbulak ore and to develop a technology for extracting iron, vanadium and titanium. Titanomagnetites are a type of ore ...
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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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An innovative method for recovering valuable elements from vanadium-bearing titanomagnetite is proposed. This method involves two procedures: low …
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The dumping of a large amount of steel slag not only wastes metal resources, but pollutes the ecological environment. In this study, a method for recovery of vanadium, titanium, iron, magnesium, and synthesizing anhydrite from steel slag is proposed. The leaching efficiency of V, Ti, Fe, and Mg was 99.42%, 99.36%, 99.89%, …
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This study addressed the separation and recovery of vanadium(IV), iron, and titanium from synthetic and real leach solutions of vanadium-bearing …
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Efficient separation of vanadium, titanium, and iron from 15/1/2021 A novel process featuring pressurized pyrolysis of ammonium chlorideacid leachingsolvent
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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 …
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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 …
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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 …
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We investigated the feasibility of roasting domestic vanadium titanium-magnetite ore in a rotary kiln as a pretreatment to effectively leach vanadium from the ore. Such feasibility analyses should consider the various mechanisms and aspects of rotary kilns such as structure, thermal fluid flow, heat/mass transfer, solid (ore particulate) bed behavior, and …
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Under the optimal conditions, 93.67% iron from the raw ore was recovered in the form of iron nugget with 95.44% iron grade. After a water leaching process, 85.61% of the vanadium from the roasting slag was leached, confirming the sodium oxidation of most of the vanadium oxides to water-soluble sodium vanadate during the roasting process.
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As the majority of vanadium is added to steel, the annual demand for vanadium tends to follow the annual demand for steel (Leont and Shavrin, 2000, Raja, 2007).Stricter regulations around the use of high-strength steel have however increased the demand for vanadium as a steel additive (Anon, 2011).The remainder of vanadium is …
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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 ...
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seprating vanadium,titanium and iron ore visaaustralia.asia. Vanadium AIMR 2011 Australian Mines Atlas. Nearly all of the world's vanadium isderived from mined ore as either direct mineral .. processing flow for separating. Get Price; beneficiation of iron ore consists of titanium and vanadium.
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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 …
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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
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Materials. Table I shows the chemical composition of the ultra-high-titanium vanadium–titanium magnetite concentrate (<75 μm) used in the experiment. The data clearly reflect the mine's low-iron, high-vanadium, and ultra-high titanium characteristics. The X-ray diffraction (XRD) pattern of the raw ore in Figure 1 shows that the phases of …
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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 …
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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 …
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metal oxides, including lithium, vanadium and titanium. The process leaches titanium, vanadium and iron using hydrochloric acid at atmospheric pressure and temperatures …
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Experiment on the effects of boron-bearing iron concentrate applied to sintering of high chromium vanadium-titanium magnetic ore was carried out under laboratory conditions. The results showthat,with the increase of boron-bearing iron concentrate addition,vertical sintering speed,sinter yield,tumbler strength,utilization coefficient raise at first then …
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Materials. Table I shows the chemical composition of the ultra-high-titanium vanadium–titanium magnetite concentrate (<75 μm) used in the experiment. The data …
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