11· Abstract Vanadium slag (V-slag) is an important secondary V source, but other valuable elements are discarded in the tailings in industry. Herein, a green nitridation–corrosion process is proposed for the comprehensive recovery of valuable elements (V, Ti, Cr, Fe) from V-slag without producing hazardous waste. Thermodynamic results indicate that ammonia gas …
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New Zealand Steel and others have produced vanadium slag by iron reduction and smelting of iron sands to produce steel and selling a vanadium slag. Of recent times, various groups have …
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200651· Abstract Many technologies exist for the treatment of titaniferous magnetites that contain vanadium. Each process is designed based on the relative amounts of titanium, vanadium and iron.
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In this work, diboron trioxide and calcium fluoride are applied as composite additives to explore a process suitable for processing low-grade, high-vanadium, ultra-high-titanium vanadium–titanium magnetite. The metallized coal-based direct reduction–electromagnetic separation experiment was conducted. Results show that a good metallization ratio, separation, and the recovery of …
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Abstract 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-temperature process. The …
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2024101· The blast furnace method is the reduction smelting of vanadium titanium magnetite in the blast furnace, and the reducing agent uses blast furnace coke and coal injection. Vanadium containing molten iron and blast furnace slag are obtained after the vanadium containing molten iron undergoes two processes of desulfurization and converter blowing, …
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115· Abstract A novel process featuring pressurized pyrolysis of ammonium chloride-acid leaching-solvent extraction was carried out to separate vanadium, titanium, and iron from vanadium-bearing titanomagnetite (VBT).
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2025724· 1. vanadium-titanium magnetite ore beneficiation Magmatic vanadium-titanium magnetite ore is the main resource of titanium and …
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91· Titanium mineral was prepared from vanadium titanomagnetite concentrates by hydrogen reduction and acid leaching. The leaching behaviors of elements l…
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717· 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 carbothermal reduction …
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2024215· The most commonly used resources for rutile preparation are vanadium titanomagnetite, ilmenite placer, and titanium slag. Titanium slag is a byproduct of ilmenite melting, and it contains enhanced titanium dioxide (approximately 70 %) [5].
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20241111· Abstract Vanadium titanomagnetite (VTM) is a complex polymetallic symbiotic mineral dominated by iron, titanium, and vanadium. Iron extraction from VTM is an issue for the utilization of Vanadium titanomagnetite concentrate. In this work, flotation method combined with magnetic sorting was proposed to separate and recover the iron resources from VTM. The …
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Efficient separation of vanadium, titanium, and iron from vanadium-bearing titanomagnetite by pressurized pyrolysis of ammonium chloride-acid leaching-solvent extraction process [J] .
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930· 1. Introduction Vanadium-titanium magnetite is a complex symbiotic iron ore resource composed of iron, vanadium, titanium and other …
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91· Titanium mineral was prepared from vanadium titanomagnetite concentrates by hydrogen reduction and acid leaching. The leaching behaviors of elements l…
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222· After decades of development of the vanadium titanomagnetite (VTM) ore in the Panzhihua district changes have taken place to the ore characteristics. In addition, preliminary research carried out in this area mainly focused on the separation and extraction of iron resources and lacked a systematic research focus on the process mineralogy of ilmenite, resulting in a …
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202521· Abstract The conventional processing of vanadium-titanium magnetite (VTM) has been associated with substantial CO 2 emissions and inefficient resource utilization, raising significant sustainability concerns. This study introduced a hydrogen-based direct reduction method for processing VTM raw ore without the need for a beneficiation process.
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2024215· The most commonly used resources for rutile preparation are vanadium titanomagnetite, ilmenite placer, and titanium slag. Titanium slag is a byproduct of ilmenite melting, and it contains enhanced titanium dioxide (approximately 70 %) [5].
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20241026· IntroductionVanadium-titanium magnetite (VTM) is a composite polymetallic ore composed of titanium (Ti), iron (Fe), and vanadium (V). 1,2) VTM is widely distributed in China, the United States and India. 3,4) The key to using VTM is to ef f ectively separate and extract the valuable metals, such as iron, vanadium, and titanium.
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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-temperature process.The
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The processing of vanadium-titanium magnetite (VTM) represents a pivotal area in modern metallurgical research, given its dual potential for the extraction of critical elements such as …
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This paper looks at the methods used and various process routes being considered for potential new titaniferous magnetite projects. CITATION:Connelly, D, 2019. Titaniferous magnetites as …
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11· Abstract Vanadium slag (V-slag) is an important secondary V source, but other valuable elements are discarded in the tailings in industry. Herein, a green nitridation–corrosion process is proposed for the comprehensive recovery of valuable elements (V, Ti, Cr, Fe) from V-slag without producing hazardous waste. Thermodynamic results indicate that ammonia gas …
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20241026· IntroductionVanadium-titanium magnetite (VTM) is a composite polymetallic ore composed of titanium (Ti), iron (Fe), and vanadium (V). 1,2) VTM is widely distributed in China, the United States and India. 3,4) The key to using VTM is to ef f ectively separate and extract the valuable metals, such as iron, vanadium, and titanium.
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201751· 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-temperature process.
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During the roasting process, the reduction of iron oxides to metallic iron, the sodium oxidation of vanadium oxides to water-soluble sodium vanadate, and the smelting separation of metallic iron and slag were accomplished simultaneously.
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51· A qualified high titanium slag was prepared. Herein, we investigated the induced-leaching behavior of hematite by iron powder after ammonium sulfate roasting vanadium titanomagnetite concentrate and develop a P204-P507 synergistic extraction method for separation of vanadium (IV), iron and titanium.
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The sodium oxidation of vanadium oxides to water-soluble sodium vanadate and the transformation of iron ox-ides to metallic iron were accomplished in a single-step high-temperature process. The increase in roasting temperature favors the reduction of iron oxides but disfavors the oxidation of vanadium oxides.
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201981· The vanadium slag processing residue (VSPR), which is a metallurgical waste produced during the vanadium extraction process from the vanadium titano-magnetite, exhibits potential environmental risk due to the toxicity of chromium in this residue. To remediate the VSPR and recover the valuable elements including iron, chromium, vanadium and titanium, a …
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2013115· Abstract A novel process for recovering iron, titanium, and vanadium from titanomagnetite concentrates has been developed. In the present paper, the treatment of rich titanium–vanadium slag by NaOH molten salt roasting and …
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