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 …
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Vanadium-containing titanium magnetite is the main source of V and Ti in the internal market. About 75% Fe, 82% V, and 44% Ti pass into iron concentrate during ore enrichment [].Therefore, the question of how to improve comprehensive utilization of vanadium-titanium magnetite concentrate (VTMC) is of decisive importance for the …
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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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At present, the methods of comprehensive utilization of vanadium-titanium magnetite tailings are mainly divided into two categories: tailings reseparation (Valuable metal recycling) and overall utilization. According to the nature and composition of the tailings, in the tailings reseparation uses gravity separation, magnetic separation, flotation, …
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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 …
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The vanadium titanium magnetite deposit in Panzhihua has abundant ilmenite resources. A flowsheet combining high gradient magnetic separation (HGMS) and flotation was applied to recover the ilmenite, which had defects of high production cost due to high flotation regent consumption, low ilmenite utilization rate of 20% as ultrafine …
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Through a flotation process of one roughing, the effect of different flotation conditions on the separation of cobalt was studied in the titanium tailings of vanadium–titanium magnetite. The separation indexes of cobalt–sulfur concentrate with a cobalt grade of 1.65% and cobalt recovery of 84.75% were obtained.
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The technology provided by the invention puts forward a mineral processing technology for comprehensively recycling iron phosphorus aiming at the low-grade high phosphorus vanadium titanium magnetite, which firstly adopts the low intensity magnetic separation method to recycle iron from ores and then adopts the low temperature flotation method ...
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Generally, the particle size of the first-stage grinding product is designed to be 0~3mm for magnetic separation of coarse-grained tailings. In the design process of vanadium-titanium magnetite ...
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When the content of vanadium and titanium is large, it called vanadium-titanium magnetite. Magnetite Ore. Beneficiation process. Magnetite is the most important iron ore mineral. Cut-off grade is 20%, and the industrial grade is 25%. There are usually 3 magnetite beneficiation methods: (1) Single weak magnetic separation
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The combined process of magnetic separation - gravity separation - flotation is suitable for polymetallic magnetite ore. Gangue minerals are mainly quartz, chlorite, biotite, etc., with a small amount of pyrite, chalcopyrite, vanadium-titanium magnetite, and other metal minerals.
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To make the best use of the mineral resource, the flotation tests were conducted on the magnetic tailings from a low grade vanadium -titanium magnetite ore, reclaiming phosphorites, By having done the conditional tests, the factors which worked on the flotation were researched. The results showed that for the tailings whose P2O5 grade …
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vanadium–titanium magnetite make it difficult to utilize them directly from the original ore [11,12]. Most of the cobalt associated with vanadium–titanium magnetite occurs in the form of pyrite, pyrrhotite, and cobalt–nickel pyrite, while a very small amount of cobalt occurs in the form of pyrite.
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Summarized the siutuation of the vanadium titanium magnetite tailings recycling in Chengde, TiO2 in ilmenite tailings grade almost more than 2%, caused by TiO2 resources waste, put forward by gravity separation, magnetic separation,and flotation combined process method for titanium iron ore tailings reelection, and put forward the …
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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 …
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Vanadium improves the strength of titanium, and vanadium-titanium alloys have been used in the construction of aircraft. ... One method to do this is by re-grinding the magnetic concentrate and using reverse flotation with amine ... Palmer, R. 2008. Trends with Titaniferous Magnetite Processing for Vanadium Extraction. In: Metallurgical Plant ...
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The drawbacks of this process include: (1) the titanium in the blast furnace slag is hard to recover owing to the low-grade TiO 2 (only 10–25%), causing a huge waste of Ti resources (Ma et ... optimized magnetic separation process to improve the recovery of high-content vanadium and titanium concentrates from vanadium‑titanium magnetite ...
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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 …
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Vanadium-containing titanium magnetite is the main source of V and Ti in the internal market. About 75% Fe, 82% V, and 44% Ti pass into iron concentrate during …
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Both ilmenite and titanaugite were obtained from the vanadium–titanium magnetite in Panzhihua, China. Ore sample was crushed and ground in a ball mill, and then it was purified using low-intensity magnetic separation, high-intensity magnetic separation, and shaking table. ... Froth flotation, the main process for separating ilmenite, depends ...
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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 …
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The results indicate that the optimal process parameters for direct reduction of vanadium–titanium magnetite in a rotary kiln are as follows: a reduction temperature of 1150 °C, reduction time ...
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Artificial rich ore for blast furnace use can be produced by sintering ultra-poor vanadium-titanium magnetite (PVTM) with a high-grade iron concentrate. Here, acid (R = 0.33, 0.50), self-fluxing (R = 1.10), and high-basicity (R = 2.60) PVTM sinters were produced in a sinter pot. Their performances were determined using the comprehensive …
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Low grade P-Containing vanadium titano-magnetite tailings from iron and titanium separation in the Miyi Region were treated using a direction flotation process. The separation indexes of phosphorous concentrate with a P 2 O 5 grade of 31.25% and P 2 O 5 recovery of 87.94% were obtained, realizing the recovery of valuable element …
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The vanadium‑titanium magnetite with 67% passing 0.074 mm was taken from Chaoyang city, Liaoning province, China. The chemical compositions of vanadium‑titanium magnetite ore are presented in Table 1, which were determined by chemical methods combined with X-ray fluoroscopy (XRF).The vanadium‑titanium …
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This is a paper in the field of mineral synthesis, covering the areas of mineral processing engineering and ceramics and composites. Tailings of a vanadium-titanium magnetite plant in Panzhihua were subjected to regrinding and re-election experiments, and an iron ore concentrate with a Fe grade of 58.59% was obtained by the "step grinding and step …
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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 …
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The results showed that 73.52% of feed ore were directly discarded for reducing the processing capacity of follow-up processing. A vanadium-titanium magnetite concentrate with 1.14% V2O5, 22.22% ...
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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 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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Vanadium‑titanium magnetite Vanadium Titanium Grinding Magnetic separation 1. Introduction Vanadium is an important transition metal used in the …
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In addition, for Panzhihua vanadium and titanium magnetite ore, respectively, using fine screening – re-mill process for iron and high gradient strong magnetic – flotation process for titanium ...
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The application of HPGR not only reduces the energy consumption in the subsequent grinding process, but also optimizes the separation of vanadium-titanium magnetite and improves the TiO2 recovery ...
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Methods. The reduction degradation index (RDI) of VTM pellets was examined based on the national standard of China (GB/T 13242–2017). All samples were heated in a N 2 gas stream with a flow rate of 5NL/min. When the temperature reached the reduction temperature, the N 2 gas flow rate was increased to 15NL/min and kept for 30 min. Then, …
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This deposit is divided into dense and disseminated ores. The main minerals are titanium magnetite, ilmenite, and small amounts of rutile, and pyrite containing cobalt and nickel. Vanadium occurs in magnetite as an isomorphism, where the crystals contain both magnetite and ilmenite, in which magnetite is separated into a solid solution.
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The recovery of granular ilmenite from magnetic separation tailings involves three separation processes: (1) spiral dressing, flotation process (for sulfide minerals) …
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In the separation process, flotation is the final step that determines the ... for reducing the processing capacity of follow-up processing. A vanadium-titanium magnetite concentrate with 1.14% ...
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