Selective catalytic reduction denitration technology, abbreviated as SCR, is essential for the removal of nitrogen oxide from the flue gas of coal-fired power stations and has been widely used. Due to the strong demand for energy and the requirements for environmental protection, a large amount of SCR catalyst waste is produced. The spent SCR catalyst …
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The vanadium content of molten iron is an important economic indicator for a vanadium–titanium magnetite smelting blast furnace, and it is of great importance in blast furnace production to be ...
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metal oxides, including lithium, vanadium and titanium. The process leaches titanium, vanadium and iron using hydrochloric acid at atmospheric pressure and temperatures below 95°C. Solvent extraction is then used to recover vanadium, titanium pigment and iron from the leach solution. The advantages claimed are low cost, high recovery, no
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The total recoveries of iron, vanadium, and titanium were 93.67%, 72.68%, and 99.72%, respectively. Article PDF. Download to read the full article text Similar content being viewed by others. A novel process for the recovery of iron, titanium, and vanadium from vanadium-bearing titanomagnetite: sodium modification–direct reduction coupled ...
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The dumping of a large amount of steel slag not only wastes metal resources, but pollutes the ecological environment. In this study, a method for recovery of vanadium, titanium, iron, magnesium, and synthesizing anhydrite from steel slag is proposed. The leaching efficiency of V, Ti, Fe, and Mg was 99.42%, 99.36%, 99.89%, …
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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 93% of ...
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1. Introduction. The vanadium–bearing titanomagnetite (VBT) is a strategic and complex iron ore, which containing valuable metals of vanadium, titanium, and …
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The Iron-T Vanadium-Titanium-Iron Project is a key VTM mining asset with a 22km strike length and NI 43-101 Resource near Glencore's Cu-Zn Matagami Mine.
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Study on Direct Reduction of Vanadium and Titanium Iron Ore Concentrate. Citation: Li Jun, Wu Enhui, Hou Jing, Huang Ping. Study on Direct Reduction of Vanadium and Titanium Iron Ore Concentrate [J]. Multipurpose Utilization of Mineral Resources, 2018, (6): 53-56,31. doi: 10.3969/j.issn.1000-6532.2018.06.0010.
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DOI: 10.1016/j.seppur.2020.117169 Corpus ID: 219743539; Efficient separation of vanadium, titanium, and iron from vanadium-bearing titanomagnetite by pressurized pyrolysis of ammonium chloride-acid leaching-solvent extraction process
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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.
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To transfer vanadium to molten iron and enrich titanium in the slag during the VTM HIsmelt process, the reduction temperature should be controlled at 1425°C and the reduction time should be 20–30 mins. To ensure reserves of vanadium and titanium are utilized efficiently, the basicity should be controlled at a value of 0.8.
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However, as titanium and vanadium are nonrenewable, it is of great significance to fully utilize iron ores containing vanadium and titanium [6], [7], [8]. Byproducts or associated products created during the extraction or processing of the main metal in vanadium-containing minerals are used mostly in industrial applications as the …
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Vanadium-titanium-iron concentrate is obtained from the beneficiation of vanadium-titanium magnetite, in which vanadium is homogeneously present in titanium magnetite and displaces high-valent ...
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The rich titanium–vanadium slag used in the present study was prepared through direct reduction reaction, magnetic separation, and desilication [19].The sample was chemically analyzed using inductively coupled plasma optical emission spectroscopy (ICP-OES, Optima 5300DV, Perkin-Elmer, USA) as shown in Table 1.The mineralogical …
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As one of the important mineral resources, the vanadium-titanium magnetite (VTM) has been exploited on a large scale, producing a large amount of VTM tailings and causing serious environmental concerns [2, 3]. However, the valuable elements including titanium, iron and vanadium contained in these tailings make VTM tailings a useful …
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Vanadium titanomagnetite concentrate (VBT) is a kind of multi-metal element symbiotic compound ore, containing iron, vanadium, and titanium [].More than …
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metal oxides, including lithium, vanadium and titanium. The process leaches titanium, vanadium and iron using hydrochloric acid at atmospheric pressure and temperatures …
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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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Drilling highlights reported by Randsburg included 142 meters of 0.27% Vanadium (0.48% Vanadium Pentoxide) from hole RA-5-21 and 174 meters of 0.26% Vanadium (0.46% Vanadium Pentoxide) from hole ...
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Materials. Table I shows the chemical composition of the ultra-high-titanium vanadium–titanium magnetite concentrate (<75 μm) used in the experiment. The data …
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A green and efficient route for simultaneous recovery of low valence of vanadium and chromium, titanium and iron from vanadium slag. Resour. Conserv. Recycl., 178 (2022), Article 106046, 10.1016/j.rnrec.2021.106046. View PDF View article View in Scopus Google Scholar. Wang et al., 2014.
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The key to smelting vanadium–titanium magnetite is to prevent the over-reduction of TiO 2 and reduces the formation of TiC or Ti ... (Factsage 8.0), and scanning electron microscopy (SEM). The vanadium yields in residual iron and dropping iron were also analyzed by inductively coupled plasma-optical emission spectroscopy (ICP-OES). …
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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 …
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A thin layer of vanadium is used to bond titanium to steel, making it ideal for aerospace applications. Mixing titanium with vanadium and iron strengthens and adds durability to turbines that spin ...
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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 iron were …
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Vanadiumcorp Resource Inc. owns the Lac Dore Vanadium-Iron-Titanium project in Quebec Canada. The Company is looking to take a vertically integrated approach and is also developing …
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In contrast, VTM is a multi-metallic iron-based ore containing iron, titanium, and vanadium as the main constituents [24, 25]. Since VTM has a high iron and …
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This paper investigated a pellet ore production process in which vanadium was extracted from vanadium and titanium magnetite concentrates using sulfuric acid leaching. Calcium and magnesium were added to the iron ore concentrate during pellet production to produce calcium vanadate and magnesium vanadate after roasting. The …
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The recoveries of vanadium, iron, and titanium reached 84.52%, 89.37%, and 95.59%, respectively. Moreover, the acid decomposition efficiency of titanium slag reached 96.45%. Compared with traditional processes, the novel process provides several advantages, including a shorter flow, a lower energy consumption, and a higher utilization ...
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