Vanadium–titanium magnetite is an important Fe, V, and Ti resource with a highly comprehensive utilization value [1,2,3].Chinese vanadium–titanium magnetite reserves are plentiful but underutilized, with over 18 billion tons of proven vanadium and titanium magnetite reserves in China as of 2019 [].However, because of the complex …
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 …
An alkali leaching-acid leaching method was proposed to extract vanadium and enrich titanium from modified Ti-bearing blast furnace 2 content of synthetic rutile …
High-quality oxidized pellets are the basis to achieve high-efficiency utilization of vanadium–titanium magnetite (VTM) ores. Bentonite was used as a binder of VTM. The main phase composition of VTM is titanomagnetite and ilmenite. When the amount of bentonite is 1%, the compressive strength and dropping strength of VTM …
They reported that a vanadium‑titanium magnetite concentrate containing 1.14% V 2 O 5, 22.22% TiO 2, 42.51% Fe, and a concentrate of ilmenite containing 16.05% TiO 2 and 20.77% Fe were obtained according to the different magnetic intensities in the range of 0.4–0.8 T. However, because there is no explanation for the vanadium recovery ...
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Vanadium-titanium magnetite is a complex symbiotic iron ore resource composed of iron, vanadium, titanium and other metals, which is one of the most …
Here, a process for leaching vanadium from calcified roasting pellets (CPVC) of vanadium–titanium-iron concentrate by a two-stage sulfuric acid cycle was proposed. The first stage of leaching was mainly for the removal of silicon from the pellet and leaching solution. After the second stage, the total leaching rates of vanadium and …
The geochemical cycling of vanadium (V) in mining areas has attracted much attention. However, little knowledge was about the effects of tailing colloids on the fate and transport of vanadium in tailing reservoirs which was ignored before. This study investigated the interactions of tailing colloids from vanadium-titanium magnetite with …
The experimental results show that extending the smelting time increases the FeO content in the slag, the LV rose from 0.66 to 5.02, the LTi declined from 206.90 to 114.86, the shorter smelting ...
Vanadium pentoxide: Brazil, 41%; South Africa, 37%; China, 11%; Taiwan, 5%; and other, 6%. Tariff: Item Number Normal Trade Relations 12 – 31 – 20 . Vanadium ores and concentrates 2615.90.6090 Free. Vanadium bearing ash and residues 2620.40.0030 Free. Vanadium bearing ash and residues, other 2620.99.1000 Free. Chemical compounds:
1. Introduction Vanadium (V) and titanium (Ti) are important strategic metals, which are widely used in metallurgical industry, chemical industry, machinery …
Vanadium-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 effectively separate and extract the valuable metals, such as iron, vanadium, and titanium. 5) Currently, the blast furnace process is …
Solubilities of vanadium, titanium, and zirconium were studied in liquid potassium containing less than 20 parts per million by weight (wt ppm) of oxygen between 1012 and 1341 K. Vanadium solubility is described by the relation log wt ppm V = 5.18 - - 4 500 T where T is the absolute temperature The heat of solution for the vanadium solubility
In this study, a clean pellet production method of calcium roasting and sulfuric acid leaching of vanadium from vanadium and titanium magnetite concentrates is proposed, which can effectively separate vanadium and iron, and the pellets after acid leaching and vanadium extraction can be used as raw material for iron making after …
The sodium smelting of vanadium–titanium magnetite (VTM) can realize a multi-component comprehensive utilization of VTM. To broaden the application of the …
Vanadium is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra-high purity ). Elemental or metallic forms include pellets, rod, wire and granules for evaporation source material purposes. Vanadium nanoparticles and nanopowders provide ultra-high surface area. Oxides are available in powder and dense …
In this study, a clean pellet production method of calcium roasting and sulfuric acid leaching of vanadium from vanadium and titanium magnetite concentrates is proposed, which can effectively separate vanadium and iron, and the pellets after acid leaching and vanadium extraction can be used as raw material for iron making after …
A new process of extracting titanium from vanadium–titanium magnetite (VTM) in the Panxi area in Sichuan, China is introduced in this work. Various experiments, including reduction–magnetic separation, leaching and hydrolyzing experiments, are carried out. The results show that the optimum conditions for leaching experiments are an …
Vanadium–titanium magnetite is an important Fe, V, and Ti resource with a highly comprehensive utilization value [1–3]. Chinese vanadium–titanium magnetite reserves are plentiful but underutilized, with over 18 billion tons of proven vanadium and titanium magnetite reserves in China as of 2019 [4]. However, because of the complex …
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High-chromium vanadium–titanium magnetite (HCVTM) is a valuable resource containing metal elements such as iron, vanadium, titanium, and chromium. To recycle these elements, direct reduction is an efficient way. The mechanism and reaction kinetic parameters for the direct reduction of HCVTM were studied. Experimental results …
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303-236-1800. Fax. 303-236-3200. Minerals. Vanadium is used primarily in the production of steel alloys; as a catalyst for the chemical industry; in the making of ceramics, glasses, and pigments; and in vanadium redox-flow batteries (VRBs) for large-scale storage of electricity. World vanadium resources in 2012 were estimated to be 63 …
Vanadium-bearing molten iron is oxidized to produce semisteel and vanadium slag; then vanadium is extracted from the vanadium slag by hydrometallurgy methods [1âˆ'4,11,12]. Thus, reduction and distribution behaviors of vanadium during the smelting of vanadium titanomagnetite by the DR-EF process are crucial for subsequent …
They reported that a vanadium‑titanium magnetite concentrate containing 1.14% V 2 O 5, 22.22% TiO 2, 42.51% Fe, and a concentrate of ilmenite containing …
Vanadium titanomagnetite is an important source of vanadium and titanium throughout the whole world. During enrichment about 82 wt.% of vanadium, 54 wt.% titanium, and 75 wt.% of iron are transferred into iron concentrate [1, 2].Currently vanadium titanomagnetite concentrate (VTMC) is used as a charge in blast furnace (BF) …
Magnetite (Fe 3 O 4) and ilmenite (FeTiO 3) were the main existing form of iron in vanadium–titanium magnetite, and the gangue existed mainly in the form of magnesium silicate compounds (Fig. 2a). In addition, V 2 O 5 was not detected since its content was deficient. The particle size distribution of vanadium–titanium magnetite …
elements (V, Ti, and Fe) comprehensively and efficiently from vanadium–titanium magnetite has attracted widespread attention. The direct extraction of vanadium from vanadium–titanium magnet concentrate has good industrial prospects due to its top recovery rate of vanadium (Chen et al., 2015; Zhu et al., 2016; Luo et al., 2021).
1. Introduction. Vanadium titano-magnetite is a major source of iron, vanadium, and titanium resources, with about 18 billion tonnes of reserves in China …
Vanadium ores and concentrates 2615.90.6090 Free. Vanadium bearing ash and residues 2620.40.0030 Free. Vanadium bearing ash and residues, other 2620.99.1000 Free. Chemical compounds: Vanadium pentoxide, anhydride 2825.30.0010 5.5% ad val. Vanadium oxides and hydroxides, other 2825.30.0050 5.5% ad val.
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WebIntroduction: The vanadium-titanium iron ore tailings (VTIOTs) has a significant amount of discharge, and serious pollution, which makes it difficult to use …
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