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iron and titanium from vanadium processing
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iron and titanium from vanadium processing
A novel process for the recovery of iron, titanium, and vanadium
The increase in roasting temperature favors the reduction of iron oxides but disfavors the oxidation of vanadium oxides. The recoveries of vanadium, iron, and Abstract. An innovative method for recovering valuable elements from vanadium-bearing titanomagnetite is proposed. This method involves two procedures: A method for recovery of iron, titanium, and vanadium from vanadium
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An effective and cleaner process to recovery iron, titanium, vanadium
This study presents an effective and cleaner process with hydrogen-rich gases that uses oxidation roasting followed by gas-based direct reduction and melting separation to Abstract A sodium modification-direct reduction coupled process was proposed for the simultaneous extraction of V and Fe from vanadium-bearing A novel process for the recovery of iron, titanium, and vanadium
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A method for recovery of iron, titanium, and vanadium
The total recoveries of iron, vanadium, and titanium were 93.67%, 72.68%, and 99.72%, respectively. Keywords: recovery; vanadium; titanomagnetite; direct Titanium Grinding Magnetic separation 1. Introduction Vanadium is an important transition metal used in the manufacture of high strength steel alloys, Optimized magnetic separation for efficient recovery of V
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A novel process for the recovery of iron, titanium, and
The development of a comprehensive technology for processing titanomagnetite concentrate at the Masalsky field will enable the production of an iron A new process comprising metallizing reduction, magnetic separation, and electroheat melting separation is proposed with the aim of achieving high recoveries of iron, vanadium, and titanium from vanadium titanomagnetite.A new process for the recovery of iron, vanadium,
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Separation and Recovery of Vanadium(IV), Iron, and Titanium
Vanadium(IV), iron, and titanium were selectively separated and recovered from the acid leachate of vanadium-bearing titanomagnetite by solvent extraction with An innovative method for recovering valuable elements from vanadium-bearing titanomagnetite is proposed. This method involves two procedures: low-temperature roasting of vanadium-bearing titanomagnetite and water leaching of roasting slag. During the roasting process, the reduction of iron oxides to metallic iron, the sodium oxidation of A method for recovery of iron, titanium, and vanadium from vanadium
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Efficient separation of vanadium, titanium, and iron from vanadium
1. Introduction. The vanadium–bearing titanomagnetite (VBT) is a strategic and complex iron ore, which containing valuable metals of vanadium, titanium, and iron used as constituents of several alloys, whitepigments, and steel [1], [2], [3].In China, the gross reserve of titanium in VBT ore is estimated to be about 1.18 million tons, accounting for Selective nitridation–corrosion process to recover vanadium, titanium, chromium, and iron from vanadium slag of Na2CO3 to produce high-quality titanium slag and iron powder is a novel energyXuewei LV Chongqing University, Chongqing
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A method for recovery of iron, titanium, and vanadium from vanadium
After a water leaching process, 85.61% of the vanadium from the roasting slag was leached, confirming the sodium oxidation of most of the vanadium oxides to water-soluble sodium vanadate during the roasting process. The total recoveries of iron, vanadium, and titanium were 93.67%, 72.68%, and 99.72%, respectively.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 A novel process for the recovery of iron, titanium, and vanadium
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Efficient Recovery of Vanadium and Titanium from Domestic
The traditional roasting technique using sodium salts in vanadium production has been disadvantageous due to the large consumption of energy and the emission of harmful gases. A modified process using molten salt roasting and water leaching to extract vanadium and titanium from domestic titanomagnetite concentrate was Vanadium titanomagnetite (VTM) is a valuable multi-element symbiotic ore mainly composed of iron, vanadium, and titanium, as well as small amounts of chromium, nickel and cobalt [1,2,3].The global resource reserves of the VTM ore are extremely rich (over 40 billion tons) and are mainly distributed in Russia, South Africa, China, the United Separations Free Full-Text Process Mineralogy of Vanadium
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Melting and separation behavior of slag and metal
Therefore, a novel smelting process (Fig. 1) of vanadium-bearing titanomagnetite is being developed, in which the technologies of vanadium extraction using chloride waste, direct reduction, melting and separation of slag–metal at elevated temperature for comprehensive recovery of vanadium, titanium and iron were used 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). Then vanadium and iron existed in the form of ammonium polyvanadate ((NH 4) 2 V 6 O 16) and ammonium jarosite (NH 4 Fe 3 (SO 4) Efficient separation of vanadium, titanium, and iron from vanadium
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A novel method to extract iron, titanium, vanadium, and
A novel process for the extraction of iron, titanium, vanadium, and chromium from high-chromium vanadium-bearing titanomagnetite concentrates is proposed. This process involves several steps: partial reduction of the concentrates, magnetic separation, hydrochloric acid leaching of the titanium-bearing tailing, and alkaline 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 water leaching processes is investigated. The titanomagnetite concentrates is disposed in the BF-BOF process to A novel process for recovery of iron, titanium, and vanadium
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Efficient Separation and Recovery of Vanadium, Titanium, Iron
Steel slag as an industrial by-product is produced in the process of steelmaking, mainly composed of calcium, iron, silicon, and magnesium [1, 2].In addition, steel slag contains a certain amount of vanadium depending on the different raw materials entering the furnace, which is the main source of vanadium production, accounting for A new process comprising metallizing reduction, magnetic separation, and electroheat melting separation is proposed with the aim of achieving high recoveries of iron, vanadium, and titanium from vanadium A new process for the recovery of iron, vanadium,
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Leaching Titaniferous Magnetite Concentrate by Alkaline
Leaching titaniferous magnetite concentrate with alkali solution of high concentration under high temperature and high pressure was utilized to improve the grade of iron in iron concentrate and the grade of TiO2 in titanium tailings. The titaniferous magnetite concentrate in use contained 12.67% TiO2 and 54.01% Fe. The thermodynamics of the With solid state reduction treatment, iron is enriched in the metal phase while vanadium and titanium elements are distributed in the titanium-rich phase in the slag. These create favorable conditions for the subsequent separation and extraction process, which consequently lay a firm foundation for the comprehensive utilization of the ironsands.印尼典型海砂矿的工艺矿物学及固态还原特性 USTB
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IOP Conference Series: Earth and Environmental Science
flux to the sintering process and then sent to the blast furnace for smelting to enrich vanadium into the vanadium-containing iron water. Finally, the process of extracting vanadium from vanadium -containing iron water is carried out. The vanadium-containing steel slag contains high free calcium oxide content .Its reducibility was good.The sodium smelting of vanadium–titanium magnetite (VTM) can realize a multi-component comprehensive utilization of VTM. To broaden the application of the vanadium-bearing pig iron produced through this process, it is imperative to maintain the titanium content in molten iron at a very low level. In this study, the effects of Titanium Impurity Control in V-Bearing Pig Iron Prepared via
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Selective nitridation–corrosion process to recover vanadium, titanium
Iron was recovered in the form of high chromium–vanadium iron with 81.53% Fe, 1.31% Cr, and 2.04% V, and titanium was recovered as titanium dioxide pigment with 85–90% yield.Finally, iron, titanium, vanadium, chromium could be preliminarily separated via the solvent extraction by employing D2EHPA as the extraction agent. vanadium, and titanium in this process was theoretically and experimentally analyzed. The recovery yield of these elements and the material balance in each step were given. The resultsRemediation of the vanadium slag processing residue and
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Processing of vanadium: a review ScienceDirect
Abstract. Vanadium is an important by-product that is used almost exclusively in ferrous and non-ferrous alloys due to its physical properties such as high tensile strength, hardness, and fatique resistance. Vanadium consumption in the iron and steel industry represents about 85% of the vanadium-bearing products produced worldwide.
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