Influence of TiO2 addition on the oxidation induration and …
They concluded that ilmenite phase transformed to hematite and titanium dioxide at lower temperature, whereas ferric-pseudobrookite phase was found at higher temperature. ... Blast furnace process is the main approach for utilizing vanadium–titanium magnetite (VTM) and VTM pellet is an important burden due to its excellent …
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A promising method to recover spent V2O5–WO3/TiO2 …
In the iron and steel metallurgical industry, vanadium–titanium magnetite containing about 10.0 wt.% TiO 2 and 0.5 wt.% V 2 O 5 is a type of raw material used for iron ore sintering . In some enterprises, the mature process of extracting Ti from blast furnace smelting, and recovering V from converter smelting has been established by …
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Introduction: Titanium Dioxide (TiO2) Nanomaterials
They summarize the synthesis, characterization, and properties of TiO 2 nanosheets, discuss the strategies for designing complex structures based on these nanosheets, and finally present an …
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Evaluation of Titania-Rich Slag Produced from …
Titanium-bearing magnetite ore is generically defined as magnetite with > 1% titanium dioxide (TiO 2) and is usually vanadium-bearing. The iron and titanium occur as a mixture of magnetite (Fe 3 O 4) and ilmenite (FeTiO 3) with vanadium oxide usually occurring within the solid solution … See more
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Behavior of vanadium during reduction and smelting of …
Vanadium titano-magnetite is an important iron ore resource containing iron, vanadium and titanium. Although iron and vanadium can be recovered by the traditional blast furnace process, titanium can only be stored in the form of TiO2 bearing slag, which resulting in a great waste of titanium resources.
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Individual enrichment of titanium and iron from low-titanium …
The direct reducion iron containing 92.72% iron, 0.72% TiO 2, and iron recovery of 91.93% was obtained, and the TiO 2 grade of the titanium concentrate was approximately 20%. Hu et al. [47] explored the effect of blast furnace ash as a reducing agent on the reduction roasting-magnetic separation of beach titanomagnetite with …
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Viscosity of CaO–SiO2–Al2O3–MgO–TiO2–FeO Slag in
Vanadium–titanium magnetite is a complex ore with iron, vanadium, titanium, and other valuable elements, and it is of great significance to recycle the valuable elements. HIsmelt smelting reduction of vanadium–titanium magnetite is a clean and effective ironmaking process. The effect of TiO2 content on the viscosity of …
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Effects of basicity and temperature on mineralogy and …
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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Synthesizing and Optimizing Rutile TiO2 …
TiO 2 NPs being diamagnetic or sometimes exhibiting very weak ferromagnetism can be modified by treating them with suitable magnetic materials. …
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Performance calculation of slag from vanadium titano-magnetite …
Vanadium titano-magnetite is an important iron ore resource containing iron, vanadium and titanium. Although iron and vanadium can be recovered by the traditional blast furnace process, titanium can only be stored in the form of TiO2 bearing slag, which resulting in a great waste of titanium resources.
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(PDF) Recovery of Fe and V via selective reduction
The fusibility of vanadium–titanium magnetite during reduction and smelting reflects the difficulty of smelting separation. ... 1.52%, and 0.34%, respectively, and the recovery of TiO2 in slag ...
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Minerals | Free Full-Text | Effect of TiO2 on the Sintering …
The sintering pot test was used to investigate the effect of TiO2 on the sintering behavior of chromium-bearing vanadium–titanium magnetite (CVTM) sinter. The main characterization methods of X-ray fluorescence (XRF), X-ray diffraction (XRD), scanning electron microscopy-energy disperse spectroscopy (SEM-EDS), and …
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Magnetic titanium dioxide based nanomaterials: …
Abstract. Magnetic titanium dioxide based nanocomposites have been gaining increasingly high attention in sustainable …
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Efficient Degradation of Organic Dyes Using Vanadium
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 …
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Ilmenite: An ore of titanium | Uses and Properties
Ilmenite is a black iron-titanium oxide with a chemical composition of FeTiO 3. Ilmenite is the primary ore of titanium, a metal needed to make a variety of high-performance alloys. Most of the ilmenite mined worldwide is used to manufacture titanium dioxide, TiO 2, an important pigment, whiting, and polishing abrasive. Heavy Mineral Sand ...
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Anodic Titanium Dioxide Nanotubes for Magnetically …
26 Citations. 1 Altmetric. Metrics. Abstract. Hollow titanium dioxide (TiO 2) nanotubes offer substantially higher drug loading capacity and slower drug release …
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Characterization and Pre-Concentration of Low-Grade Vanadium-Titanium
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 …
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(PDF) FEASIBILITY OF FLUXLESS SMELTING OF …
Titanium-bearing magnetite ore is generically defined as magnetite with > 1% titanium dioxide (TiO2) and is usually vanadium-bearing. The iron and titanium occur as a mixture of magnetite (Fe3O4 ...
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High-Efficiency Extraction of Fe, V, and Ti from Vanadium …
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 ore enrichment [].Therefore, the question of how to improve comprehensive utilization of vanadium-titanium magnetite concentrate (VTMC) is of decisive importance for the …
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Water Resistant Cellulose – Titanium Dioxide Composites …
Synthesis of nano-fibrillated cellulose/magnetite/titanium dioxide (NFC@ Fe 3 O 4@ TNP) nanocomposites and their application in the photocatalytic hydrogen generation. Applied Catalysis B ...
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Influence of different comminution flowsheets on the …
The application of HPGR not only reduces the energy consumption in the subsequent grinding process, but also optimizes the separation of vanadium-titanium magnetite and improves the TiO2 recovery ...
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Fusion Separation of Vanadium-Titanium Magnetite and …
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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(PDF) TiO2-Modified Magnetic Nanoparticles (Fe3O4) with
It was observed that the addition of carbon and titanium dioxide caused a decrease in the average size of magnetite crystallites from 15.6 to 9.2 nm. Materials with varying contents of anatase ...
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Hydrogen reduction behaviors and mechanisms of vanadium …
Simultaneously, the easily reducible titanium-bearing maghemite(γ-Fe 2 O 3) was rapidly reduced to magnetite (Fe 3 O 4), which was immediately transformed into titanomagnetite. Along with the process of gradual deoxidation, the newly generated ferrotitanium compounds (Fe 5 TiO 8, Fe 2 TiO 5, Fe 2 TiO 4) were continuously …
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Viscosity of CaO–SiO2–Al2O3–MgO–TiO2–FeO Slag
Download Citation | Viscosity of CaO–SiO2–Al2O3–MgO–TiO2–FeO Slag in HIsmelt Process: Influence of TiO2 Content on Viscosity and Crystallization | Vanadium–titanium magnetite is a ...
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Titanium-Enriched Slag Prepared by Atmospheric …
The observed leaching rates of iron, vanadium, and titanium were 92.5%, 95.1% and 1.2%, respectively. Zhong B et al. showed that the content of TiO 2 in the Ti-enriched slag prepared by two-stage acid leaching could reach 92.5% with further removal of residual carbon. The phase structure of ilmenite in vanadium titanite concentrate was …
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TiO2-Modified Magnetic Nanoparticles (Fe3O4) with …
XRD patterns of pure magnetite and titanium dioxide-modified magnetite in various molar ratios Fe 3 O 4 /C: TiO 2 and constant glucose content. This pattern corresponds to the …
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Extremely Large Magnetic-Field-Effects on the …
Based in our study, we can conclude that the presence of defects, mainly at the grain boundary of these undoped TiO 2 quantum dots, could be responsible for the …
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Titanium Reserves By Country And 10 Biggest Mines In The …
However, the purity of titanium dioxide in ilmenite is lower compared to other titanium-bearing minerals like rutile, anatase, and brookite. For instance, rutile (TiO2) contains 93-96% titanium ...
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Review of functional titanium oxides. I: TiO2 and its …
About 95% of titanium ore is processed into titanium dioxide, which is the most widely used titanium product. The global TiO 2 market was valued at US$13.14 billion in 2013 and is anticipated to reach US$17.12 billion by 2020, with a market rise of 8.0 million tonnes annually. The Asia–Pacific region dominated the global titanium dioxide ...
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