Semantic Scholar extracted view of "Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic separation mechanism of titanium and iron minerals" by Wenbo Li et al. Skip to search form Skip ... Effect of bastnaesite as reductant on hematite reduction during in-situ suspension magnetization roasting of refractory iron ore under ...
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Vanadium ore mainly includes vanadium-titanium magnetite and weakly magnetic iron ore containing vanadium and titanium, such as vanadium-titanium hematite, vanadium ... Fig. 8 and Fig. 9 show the effect of total gas flow rate on the reduction of vanadium hematite and the separation of iron and titanium minerals at the …
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Iron and titanium were recovered from the Sc-bearing V-Ti magnetite tailings by magnetic separation, flotation, and gravity separation. The scandium concentrate with Sc 2 O 3 content of 66.24 g/t was obtained by electric separation, and the particle size of the scandium concentrate was less than 0.074 mm.
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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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Vanadium titanomagnetite (VTM) is a valuable multi-element ore composed primarily of iron, titanium, and vanadium, with minor amounts of chromium, nickel and cobalt, gallium and scandium, etc. [1,2,3,4,5].Global VTM reserves are extremely abundant (over 40 billion tons), found mainly in Russia, South Africa, China, the United States, …
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A Chemical Separation and Measuring Technique for Titanium Isotopes for Titanium Ores and Iron-Rich Minerals ... A. Separation of Titanium from Silicates for ... The δ¹⁸O values from ore stage ...
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The chlorination agents and the separation of metal chlorides were summarized. ... Thermodynamic consideration of the removal of iron from titanium ore by selective chlorination. Metall. Mater. Trans. B, 45 (4) (2014), pp. 1260-1271, 10.1007/s11663-014-0061-8. View in Scopus Google Scholar.
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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 …
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Experimental study using the conventional magnetic separation method was firstly carried out to separate iron and titanium concentrate respectively, and ultimately, after a series of conditional ...
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Our focus was on understanding the separation behavior of iron and titanium and determining the metallization rate and separation efficiency. This study provides important theoretical and technical support for achieving the enrichment and separation of titanium minerals. ... Recovery of iron-, titanium-bearing constituents …
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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 …
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As the main titanium-bearing minerals in the bauxite ore residue were titanomagnetite, kassite, and sodium tri-titanate (Fig. 2), magnetic separation process can be conducted to recover iron and titanium due to the magnetic character of titanomagnetite, and the remaining titanium could be further recovered from non …
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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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Test was made on separating iron from a ultra-low-grade vanadium titanium magnetite ore by a process of tailing discarding at a coarser size,staged grinding and staged low intensity magnetic ...
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Optimal roasting conditions for iron/slag separation were achieved with a mixture thickness of 42.5 mm, a roasting temperature of 1200°C, a residence time of 2 …
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Ti-isotope fractionation on the most Ti-rich minerals on Earth has not been reported. Therefore, we present a chemical preparation and separation technique for Ti-rich minerals for mineralogic, petrologic, and economic geologic studies. A two-stage ion-exchange column procedure modified from the previous literature is used in the current …
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The separation and extraction of titanium, iron, and alumina in one spot can shorten the process and make full use of the electric energy. Under optimal conditions, the efficiencies of iron, titanium, and alumina were 97.6%, 93.1% and 88.5%, respectively. ... This is because CFA contains iron ore [2], mullite [9], and quartz [22], and can be ...
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The metallization ratio, iron grade, and iron recovery ratio of the concentrate in these cases all exceed 90%, suggesting that reductive Bayer bauxite residue exhibits superior beneficiation performance. Furthermore, sodium carbonate plays a crucial role …
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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 …
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DOI: 10.18503/1995-2732--5-12 Corpus ID: 252730734; Comprehensive Processing of an Iron Concentrate of Titanomagnetite Ore by a Selective Separation and Concentration of Iron, Vanadium and Titanium by Chemical Methods
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Experimental study using the conventional magnetic separation method was firstly carried out to separate iron and titanium concentrate respectively, and ultimately, after a series of conditional experiments, both iron and titanium cannot meet the market demand for qualified concentrate. ... Magnetic separation is widely used in the iron ore ...
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Effect of magnetic intensity on separation of vanadium, titanium and iron. In this study, magnetic separation was used to obtain high-quality vanadium concentrates …
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Ore Concentration: The mined ore undergoes several separation processes, such as gravity separation, magnetic separation, and electrostatic separation, to increase the titanium oxide content. The Kroll Process: From Ore to Sponge. The Kroll Process, developed by William Kroll in the 1940s, is the most widely used method for …
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This paper presents a brief review of the history of titanium smelting and the current trends in related research and development. Presently, both electrolytic and metallothermic reduction processes utilizing various feed materials such as titanium oxide are widely studied. However, many challenges remain to be addressed before realizing …
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Keywords Vanadium–titanium magnetite · Smelting separation · Electric furnace smelting · Ecient utilization of iron ore Introduction South African vanadium–titanium magnetite is a complex mineral resource rich in iron, vanadium, titanium, and chro-mium [1–3]. Its ore composition is composed of more than 20 elements [4–6].
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Zhu et al. used C 10~12 to extract titanium and iron, and the separation of titanium and iron was achieved through step-by-step stripping (Zhu et al., 2021). While the acidity of the extraction system was more than 11.5 mol/L, and the selectivity to Fe(Ⅲ) was not high, and there was also a certain extraction of impurity ions.
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This method is mainly used to further concentrate rough titanium concentrates. We often apply low-intensity magnetic separation (LMS) and high gradient magnetic separation (HGMS) to recover …
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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 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 …
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Optimal roasting conditions for iron/slag separation were achieved with a mixture thickness of 42.5 mm, a roasting temperature of 1200°C, a residence time of 2 h, a molar ratio of C/O of 1.7, and a sodium carbonate addition of 70wt%, as well as with the use of anthracite as a reductant. ... 93.67% iron from the raw ore was recovered in the ...
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The invention belongs to a method for separating iron ore and titanium ore, comprising the steps of crushing, ball milling by one time and two times, magnetic separation with low strength, magnetic separation with high strength, ball milling by the third time, spiral separation and fine selection, magnetic separation with low strength and titanium …
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In properties of some iron oxides; in this way, the percentage of iron oxides increases until 50% in the MF, and decreases to 41% in the NMF; while the Titanium Oxide represents 45% of the and 50% ...
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Gas-based reduction roasting magnetic separation process was conducted to separate and recover iron and titanium from oxidized vanadium titano-magnetite (VTM).
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Titano-magnetite is an ore of iron and titanium, and is highly magnetic. Magnetite and ilmenite are two major minerals. Ilmenite exhibits various textural dispositions.
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separation to recover iron,4–7) the titanium resource is often wasted. Therefore, an effective process that can separate titanium and iron from TTM ore must be developed. Previous studies show that coal-based direct reduction fol-lowed by magnetic separation is the most effective method to achieve titanium and iron separation from TTM ore.8–15)
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Semantic Scholar extracted view of "Efficient separation of vanadium, titanium, and iron from vanadium-bearing titanomagnetite by pressurized pyrolysis of ammonium chloride-acid leaching-solvent extraction process" by Zhenzhong Bian et al. ... This paper investigated a pellet ore production process in which vanadium was extracted from …
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