Recycling of iron and titanium resources from early tailings…
Iron recovery was mainly achieved through a series of magnetic separation, and titanium recovery was on the combination of magnetic pre-concentration and flotation separation.
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Separations | Free Full-Text | Separation of Ilmenite from …
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 resources. Here, the separation of ilmenite from VTM ore is studied by combining magnetic separation and flotation technologies. In …
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Extractive separation of Th(IV), U(VI), Ti(IV), La(III) and Fe(III
The S/N ratios for the extraction efficiency of thorium, uranium, titanium, iron, and lanthanum are shown in Fig. 1.According to Taguchi ' s method, a high influence on extraction or separation factor is shown by a high S/N ratio. Figure 1 indicates that Cyanex272 is the best extractant for the extractions of thorium, uranium and lanthanum. …
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An Introduction to the Chemistry of Metal Extraction
This page looks at the various factors which influence the choice of method for extracting metals from their ores, including reduction by carbon, reduction by a reactive metal (like sodium or magnesium), and by electrolysis. Details for the extraction of aluminum, copper, iron and titanium are given in separate pages in this section.
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Breakthrough In High Grade Rutile Beneficiation Method
About Rutile Ore. Rutile is one of the main minerals containing titanium. It is brittle, with a hardness of 6-6.5 and a density of 4.2-4.3g/cm3. Those rich in iron, niobium, and tantalum will increase in density, and the higher ones can reach more than 5.5g/cm3. It can be dissolved in hot phosphoric acid.
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Titanium processing | Technology, Methods, & Facts
titanium processing, the extraction of titanium from its ores and the preparation of titanium alloys or compounds for use in various products. Titanium (Ti) is a soft, ductile, silvery gray metal with a melting point of 1,675 °C (3,047 °F). Owing to the formation on its surface of an oxide film that is relatively inert chemically, it has ...
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Mineralogical reconstruction of Titanium-Vanadium
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. ... Effect of bastnaesite as reductant on hematite reduction during in-situ suspension magnetization roasting of refractory iron ore under neutral atmosphere.
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Titanium Ore Processing and Beneficiation
Titanium Ore Processing and Beneficiation. To develop a flowsheet for separation of high grade titanium-rutile from ilmenite, that will meet market requirements. Rutile has a SG of 4.2, hardness 6.0 to 6.5 and is non-magnetic; while ilmenite has a SG of 4.5 to 5.0, hardness of 5.0 to 6.0, and is weakly magnetic.
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A method for recovery of iron, titanium, and vanadium …
the slag–iron smelting separation during the roasting process, we define the iron recovery R by the following equation: n r M R M, where Mn and Mr are the mass of iron in the iron nugget and the mass of iron in the raw ore, respectively. 2.2.2. Water leaching of roasting slag The roasted slag was ground to 90wt% passing 74 µm before ...
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Recovery of iron from bauxite residue using advanced separation
Studies were done on Jamaican red mud to recover all possible metal values: at first alumina was recovered by soda-ash sintering process followed by reduction (partial or complete) of iron to magnetic/metal phase followed by magnetic separation to separate iron and titanium from the non-magnetic portion (Mishra et al., 2001, Mishra et al., 2002 ...
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Study on Ilmenite Separation from the Iron tailings of a …
The study aims at separating ilmenite from the iron tailings of a vandium-titanium magnetite ore in Panxi areaamong,which the content of TiO2 was 8.61%,and the main metallic minerals are ilmenite,pyrrhotite and pyrite.The main gangue minerals are augite,olivine,hornblende and chlorite.According to the properties of iron tailings,with the …
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Fusion Separation of Vanadium-Titanium Magnetite and …
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 …
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Sodium-Salt-Assisted Reductive Roasting for Separation and …
Lateritic iron ore is a typical complex ore containing abundant valuable metals such as iron, aluminum, chromium, nickel, and cobalt.1 Most treatment processes start with extraction of iron, because this is the dominant metal element in lateritic iron ore.2 Meanwhile, numerous studies have proposed beneficiation methods to recover …
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A Novel Approach for Separation and Recovery of Titanium, …
At present, acidic wastewater is directly neutralized with lime or limestone, which wastes resources such as titanium, scandium, and iron and generates a great deal of solid waste. This study proposes a novel approach for the separation and recovery of titanium, scandium, and iron from acidic wastewater and red gypsum utilization. The recovery …
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(PDF) Separation and recovery of iron and …
Under the condition of reduction temperature of 1050 °C, reduction time of 120 min and gas composition of P(H2)/P(H2 + CO) = 0.72, a magnetic product containing 84.5 wt.% total iron with Fe ...
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Highly efficient separation of titanium minerals from a …
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 in facilitating the separation of iron and titanium in the absence of CaO.
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Materials | Free Full-Text | Fusion Separation of Vanadium-Titanium …
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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Recovery of Fe and V via selective reduction–magnetic separation …
At the same time, the efficient utilization of valuable components such as iron, vanadium, titanium, and chromium in vanadium-titanium magnetite can also alleviate the problems caused by mineral ...
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Effect of Na2SO4 on the Embedding Direct Reduction of …
A novel process for separating iron and titanium from Indonesian beach titanomagnetite (TTM) concentrates is proposed. This process involves several steps, including mixing the TTM concentrate and ...
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A Chemical Separation and Measuring Technique for Titanium …
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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Process Mineralogical Analysis of a Typical Vanadium Titano …
Alternatively, the ore can be directly smelted, resulting in ferrotitanium alloy and vanadium-containing slag, which can be used to recover iron, titanium, and vanadium. However, it is important to note that the concentrate also contains adverse elements, such as 4.44% SiO 2, 4.37% Al 2 O 3, and 1.2% MgO, which can impact direct vanadium ...
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Separation and recovery of iron and titanium from oxidized …
Semantic Scholar extracted view of "Separation and recovery of iron and titanium from oxidized vanadium titano-magnetite by gas-based reduction roasting and magnetic separation" by Yulei Sui et al. ... Improved beneficiation of nickel and iron from a low-grade saprolite laterite by addition of limonitic laterite ore and CaCO3. Hongyu Tian …
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Effects of embedding direct reduction followed by magnetic separation …
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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Melting and separation behavior of slag and metal
The treatments through oxidation methods, such as iron ore sintering and oxidized pellets, are the most common and effective methods to recovery Fe in actual production. ... Gas-based reduction roasting magnetic separation process was conducted to separate and recover iron and titanium from oxidized vanadium titano-magnetite …
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Recovery of Vanadium, Titanium, and Iron from Vanadium …
Vanadium titanomagnetite concentrate (VBT) is a kind of multi-metal element symbiotic compound ore, containing iron, vanadium, and titanium [].More than 85% of vanadium and 90% of titanium originate from VBT in China [2, 3].The western Liaoning area is another large deposit in China besides Panzhihua, which is …
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Metalizing reduction and magnetic separation of vanadium …
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 …
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New Separation Technique of Titanium and Iron for Titanium Ore …
In this study, a new process for producing pure titanium oxide from low-grade titanium ore is examined. Titanium ore is reduced to metallic iron and soluble titanium oxide, and then dissolved in an acid solution under hydrogen gas atmosphere to obtain a solution containing titanous ions, ferrous ions, and other soluble impurities.
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A critical review on metallurgical recovery of iron from iron ore
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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Beneficiation of Aluminum-, Iron-, and Titanium-Bearing …
The results showed a magnetic concentrate with total iron grade of 56.39% and TiO2 content of 8.66% was obtained under a two-stage magnetic separation process (intensity: 0.8 and 0.2 T ...
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Characterization and Pre-concentration of Scandium in …
Based on the sample's composition, particle size distribution and the occurrence state of scandium, studies were conducted of the pre-concentration of scandium oxide from the low-grade magnetite ore. From the results of these experiments, a beneficiation process was developed and validated based on low-intensity magnetic …
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