Project Description A scoping study and preliminary economic assessment ... The scoping study envisages an operation producing an estimated 262 000 t/y of titano-magnetite, 369 000 t/y ilmenite ...Web
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Magnetite in-phase susceptibility measurements as a function of frequency and temperature for amplitudes between 40-4,000 Hz, between 20 and 280 K (a). (b) enlargement of the 20-60 K range. (From ...Web
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The titano-magnetite (TM) and titano-hematite, hemo-ilmenite series are two Fe-Ti oxide solid solution series that are significant for magnetic studies. Anorthosite massifs, charnockite, and (rapakivi) granite are the most common igneous bodies associated with economic magmatic iron–titanium oxide ore deposits .Web
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Magnetite is oxidised to hematite in the initial stage of the process and vanadium diffuses out of the lattice, where it is able to react with the added sodium salts …Web
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Magnetitite layers are typically characterized by a mottled anorthositic footwall, an almost completely massive part consisting of titano-magnetite, and an upper gradational contact, typically ...Web
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The invention discloses a method for extracting titanium from vanadium titano-magnetite, which comprises the following steps of adding a sodium or potassium salt additive in the reduction smelting of an iron ore concentrate electric furnace to obtain molten iron and titanium-containing slag, wherein: vanadium and iron are reduced into molten iron, and …Web
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A method for processing vanadium titano-magnetite relates to a method for preparing iron powder and titanium concentrate from vanadium titano-magnetite by boiling roasting and magnetic separation. The method is characterized in that the treatment process sequentially comprises the following steps: (1) crushing and grinding the vanadium titano-magnetite …Web
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The phase transformation of pre-oxidized vanadium titano-magnetite pellets during the reduction process under an H2 atmosphere and a CO atmosphere was discussed, and the reduced samples were analyzed by scanning electron microscopy (SEM) in conjunction with back scatter electron (BSE) imaging.Web
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735310a1-4665-4206-8f65-5ef377b31cee (as Titanium-bearing Magnetite) 638fda79-4914-4fc0-9169-3c497a942ec8 (as Magnetite) Chemistry of Titanium-bearing Magnetite HideWeb
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The titano magnetite ore used was produced by Mustavaaran Kaivos Oy, Finland. According to the particle size distribution and chemical analysis made by GTK (Geological Survey of Finland) the mean size was 19.63 µm and the standard deviation 13.01 µm. The mass of raw material in every experiment was 1.000 ± 0.001 g.Web
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Site description and soil and mine tailing sampling. The sampling site is located in the Panzhihua region, Sichuan province, SW-China, ... Vanadium extraction from titano-magnetite by hydrofluoric acid. International Journal of Mineral Processing, Volume 157, 2016, pp. 55-59.Web
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PDF | A systematic study of the Raman spectra of the titanomagnetite solid-solution series (Fe3–xTixO4) for x = ~0.0, 0.2, 0.4, and 0.6 has been... | Find, read and cite all the research you ...Web
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Ti in vanadium titanomagnetite concentrate is converted into Na 2 TiO 3 at below 1150°С and then forms CaTiO 3 by reduction as temperature increases to …Web
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Titano-magnetite is an ore of iron and titanium, and is highly magnetic. Magnetite and ilmenite are two major minerals. Ilmenite exhibits various textural dispositions. ... Descriptions of the ...Web
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The main vanadium sources include vanadium-bearing titano-magnetite and stone coal (Chen et al., 2015; Zeng et al., 2015;Zhu et al., 2016). The total reserves of V 2 O 5 could reach more than 25 ...Web
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cite this article in press as: Sui Y, et al. Separation and recovery of iron and titanium from oxidized vanadium titano-magnetite by gas-based reduction roasting and magnetic separation. J Mater ...Web
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Blast furnace–basic oxygen furnace (BF–BOF) process is the predominant method for smelting vanadium titano-magnetite (VTM) in China. Hydrogen-rich (H2-rich) gas injection in BF is considered as an important way to reduce CO2 emission under the background of low carbon metallurgy. In this paper, the softening–melting behaviors of …Web
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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 …Web
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Vanadium-titanium (V-Ti) magnetite tailings have caused great concern due to their safety hazards and environmental risks. However, the microbial community structure and the key geochemical factors of V-Ti magnetite tailing profiles under different management modes remain unclear. Therefore, we investigated the heavy metal …Web
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At respective optimum conditions, the titano-magnetite ore (O1) could yield an iron concentrate of 62.57% Fe grade and 60.01% Fe recovery, while the goethitic ore (O2) could be upgraded to a concentrate of 64.4% Fe grade and 33.3% Fe recovery. Compared with the goethitic ore, the titano-magnetite ore responded better to MW heating.Web
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Considering the descriptions above, CAP is believed to ... mechanism of CAP product from titano- ... al. developed a composite agglomeration process to efficiently utilize vanadium-titanium magnetite.Web
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the titanium magnetite family, magnetite (x = 0) and ulvöspinel ( x = 1), have the inverse spinel structure, with space group Fd 3 m (Barth and Posnjak 1932; Fleet 1981; Lindsley 1976; W echslerWeb
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VANADIUM RESOURCES IN TITANIFEROUS MAGNETITE DEPOSITS BY R. p. FISCHER ABSTRACT Titaniferous magnetite deposits are magmatic accumulations of magnetite and ilmenite. They commonly contain 0.2 to 1 percent V 2 0 5, most of which is concentrated in the magnetite, and they have become the world's principal source of …Web
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In this route, a magnetic separation is carried-out to concentrate the titaniferous magnetite which produces a by-product that has some relevant amounts of Fe and Ti. ... Influence of different comminution flowsheets on the separation of vanadium titano-magnetite. Minerals Engineering, Volume 149, 2020, Article 106268.Web
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2.1. Materials. In this experiment, vanadium-titanium magnetite concentrate from Wuling, Xinjiang was used as raw material, and its chemical composition is depicted in Table 1.It can be observed from Table 1 that the main valuable elements in the raw iron concentrate are Fe, V and Ti, with the mass fractions of TFe, TiO 2 and V 2 O 5 are high …Web
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The raw vanadium titano-magnetite was crushed and grinded to − 0.074 mm accounting for 90%, and then the sample was separated with low intensity magnetic separation of 50 KA/m by using dry magnetic separator to obtain the vanadium concentrate.The vanadium concentrate was leached in hydrofluoric acid solution at …Web
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Fines are negligible. Grain circularity varies largely between 0.9 and 0.8. Heavy mineral sands between the Omaruru and the Huab Rivers are garnet-dominated, whereas the southernmost heavy mineral sands close to Swakopmund are (titano)magnetite-ilmenite dominated. Overall, the heavy mineral content of sampled …Web
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735310a1-4665-4206-8f65-5ef377b31cee (as Titanium-bearing Magnetite) 638fda79-4914-4fc0-9169-3c497a942ec8 (as Magnetite) References for TitanomagnetiteHide. Reference List: Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A) Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight ...Web
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mechanism of vanadium titano-magnetite ore reduc tion by carbon is important. Meanwhile, the struc ture of vanadium titano-magnetite ore is densifica tion, leading to badly redodbility, which means higher temperature would be needed in order to real ize the effective comprehensive utilization of vanadi um titano-magnetite.Web
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To achieve high efficiency utilization of Panzhihua vanadium titano-magnetite, a new process of metalizing reduction and magnetic separation based on hot briquetting is proposed, and factors that affect the cold strength of the hot-briquetting products and the efficiency of reduction and magnetic separation are successively …Web
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Tucker, P. and O'Reilly, W. (1980b) The laboratory simulation of deuteric oxidation of titano-magnetites: Effect on magnetic properties and stability of thermoremanence. Phys. …Web
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The recycling of mineral tailings is an important research topic. In this work, composite material was prepared using vanadium titanomagnetite (VTM) tailings, kaolin and sodium silicate, and used as a photocatalyst for photocatalytic degradation organic dyes. The results showed that the photocatalytic material has good photocatalytic performance …Web
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26.7% and 3.8%, respectively, indicating that a large amount of (titano)magnetite is superparamagnetic at 295 K but is blocked at 18 K in this sample. 3.5.Web
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The invention discloses a blast-furnace smelting method for vanadium titano-magnetite. The method is realized in a way that: vanadium titano-magnetite accounts for 30-60% of ferrous burden which is fed into a blast furnace, and the burden comprises 40-65% of agglomerate, 30-50% of pellet and 5-10% of lump ore; the diacidic …Web
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The Ganjang (26°09'35"N: 93°20'E) alkaline-carbonatite complexes contains vanadium bearing titano-magnetite bodies where maximum vanadium content of about 1.2 wt. % is recorded at the core of ...Web
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logical descriptions 2 and preserved in . ... Plateau, north-east India is a newly discovered stratified Fe-Ti-V-bearing magmatic body that has been classified as a titano-magnetite ore. The host ...Web
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