Recovery of Fe and V via selective reduction–magnetic …
PDF | On Nov 18, 2021, Liwei Liu and others published Recovery of Fe and V via selective reduction–magnetic separation of vanadium-titanium magnetite concentrate | Find, …
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(PDF) Preparation of Direct Reduced Iron and Titanium …
Reduction roasting-magnetic separation realizes the separation of titanium and iron in high-titanium beach titanomagnetite. However, the TiO2 grade in titanium concentrate is low, and few studies ...
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Physical and chemical separation of Ti, rare earth elements …
Meanwhile, titanium, aluminum, and REEs were enriched in the magnetic separation tailing. The iron grade in the magnetic separation concentrate was around 81%. Table 5 Chemical analysis of the red mud sample before and after carbothermal reduction-magnetic separation
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Effects of embedding direct reduction followed by magnetic separation
Reduction roasting-magnetic separation realizes the separation of titanium and iron in high-titanium beach titanomagnetite. However, the TiO 2 grade in titanium concentrate is low, and few studies have investigated low-titanium beach titanomagnetite. The preconcentration-reduction roasting and magnetic separation process was …
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High-Efficiency Smelting Separation of Vanadium–Titanium …
Efficient utilization of vanadium–titanium magnetite can be achieved by high-temperature pyrometallurgical smelting separation of the material. The fusibility of vanadium–titanium magnetite during reduction and smelting reflects the difficulty of smelting separation. In this study, the direct reduction of iron obtained from the …
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The Processing of Beach Sand from Sri Lanka for the Recovery
However, the titanium recovery increased greatly in the magnetic fraction with a titanium content of commercial grade (up to 63.9% TiO 2) when paramagnetic titanium-bearing minerals were separated from beach sand using the disc magnetic separator. The results of the mineralogical and chemical analysis tests for the beach …
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A Novel Process for Titanium Sand by Magnetic Separation …
A typically low-grade titanium sand was first ground and then processed by low-intensity magnetic separation (LMS) and high gradient magnetic separation (HGMS) to recover titanomagnetite and ...
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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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Metalizing reduction and magnetic separation of …
Abstract: To achieve high efficiency utilization of Panzhihua vanadium titano-magnetite, a new process of metalizing reduction and mag-netic separation based on hot briquetting …
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Magnetic titanium dioxide nanomaterial modified with …
A dual functionalized magnetic nanomaterial was fabricated by combining the magnetic core, titania shell, and hydrophilic molecules (denoted as Fe3O4@TiO2-IDA). Based on the mechanism of metal oxide affinity chromatography and hydrophilic interaction liquid chromatography, the sorbent shows excellent one-step separation capacity for …
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(PDF) Magnetic separation of titanium-containing minerals
At various fineness of grinding by magnetic separation, conditioned titanium-magnetite concentrates have been obtained. The yield of the concentrate from the ore is 10.9–10.5 %, with Feобщ ...
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Magnetic Separation and Enrichment of Fe–Ti Oxides from …
Iron titaniferous sands, also called black sands, are a source of various magnetic minerals, such as iron and titanium (Fe–Ti) oxides, with countless scientific and industrial applications. Ecuador is deemed a geo-diverse country that contains deposits of black sands in the Andean and coastal regions; therefore, the industrialization of these …
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High-Efficiency Smelting Separation of Vanadium–Titanium …
The separation of Fe, V, Cr, and Ti in the direct reduction products of South African vanadium–titanium magnetite has been successfully achieved by smelting …
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Recovery of Fe and V via selective reduction–magnetic …
1. Introduction. Global vanadium reserves stand at approximately 22 million tons, of which China's contribution is 9.5 million tons. Vanadium-titanium magnetite (VTM) is the main raw material ...
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Individual enrichment of titanium and iron from low-titanium …
Reduction roasting-magnetic separation realizes the separation of titanium and iron in high-titanium beach titanomagnetite. However, the TiO 2 grade in titanium concentrate is low, and few studies have investigated low-titanium beach titanomagnetite. The preconcentration-reduction roasting and magnetic separation process was …
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Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic
On the basis of the ore characteristic, a flowsheet of "stage grinding-low intensity magnetic separation-high intensity magnetic separation-gravity concentration by fine shaking table" was developed. An iron concentrate assaying 51.45% Fe at a recovery of 62.12% was obtained when the raw ore contains 18.61% Fe.
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Separation of Ilmenite from Vanadium Titanomagnetite …
a TiO2 grade of 9.90% can be separated via weak magnetic separation and coarse particle tailing dumping. The concentrate grade is then increased to 14.32% via strong magnetic separation and float-ing separation of sulfur minerals. Finally, a TiO2 grade of 46.34% is obtained through closed-circuit flotation using mixed MOH/PG-1 …
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Effect of reductant type on the embedding direct reduction …
Iron and titanium were recovered from beach titanomagnetite (TTM) concentrate by embedding direct reduction and magnetic separation. The reduction products and the effects of the reductant type and reduction temperature on the reduction behavior were investigated. The results showed that the reduction of TTM concentrate …
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Separation of Ilmenite from Vanadium Titanomagnetite …
Abstract: Vanadium titanomagnetite (VTM) is an important mineral for developing titanium re-sources, but the comprehensive recovery of ilmenite separation …
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Effects of embedding direct reduction followed by magnetic separation
Embedding direct reduction followed by magnetic separation was conducted to fully recover iron and titanium separately from beach titanomagnetite (TTM). The influences of reduction conditions, such as molar ratio of C to Fe, reduction time, and reduction temperature, were studied. The results showed that the TTM concentrate was …
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Intensity Magnetic Separation
Nonetheless, because titanium is dispersed in fine-grained mineral phases containing Ca, Mg, Al, Si, and other impurities, ... Dry low-intensity magnetic separation is confined mainly to the concentration of coarse sands which are strongly magnetic, a process known as "cobbing," and is often carried out using drum separators. ...
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Metalizing reduction and magnetic separation of …
dium-titanium-bearing slag using a magnetic dressing ma-chine. Finally, the slag can be further treated via hydro-metallurgy. Fig. 1. Flowchart of the new process proposed in this study. The previous research based on fine powders of VTM and coal has revealed that the method of metalizing reduc-tion and magnetic separation is effective in ...
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A Novel Process for Titanium Sand by Magnetic Separation …
A typically low-grade titanium sand was first ground and then processed by low-intensity magnetic separation (LMS) and high gradient magnetic separation (HGMS) to recover titanomagnetite and ilmenite, respectively; as the TiO 2 grade of the sand is low, the primary treatment of the sand by magnetic separations is effective, with 78.45% by …
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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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Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic
Article on Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic separation mechanism of titanium and iron minerals, published in Advanced Powder Technology 33 on by Wenbo Li+3. Read the article Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic separation mechanism of …
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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, …
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Effect of Na 2 SO 4 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 additive, pressing the mixture into pellets, embedding direct reduction of the pellets, and magnetic separation. Given that coal and …
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Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic
In this paper, magnetization roasting - low-intensity magnetic separation was performed on a pre-concentration concentrate obtained from an Australian hematite containing titanium and vanadium to ...
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Fusion Separation of Vanadium-Titanium Magnetite and …
In the separation of raw ore, Zhang Yanhua and Han Yuexin et al. used weak magnetics to enrich vanadium-titanium magnetite with strong magnetism, and then selected gravity separation, high gradient magnetic separation, electric separation, flotation or their combined processes to obtain titanium concentrate products according …
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Separation of Ilmenite from Vanadium Titanomagnetite by …
The concentrate grade is then increased to 14.32% via strong magnetic separation and floating separation of sulfur minerals. Finally, a TiO2 grade of 46.34% is obtained through closed-circuit ...
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