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The titanium metallurgy raw materials used in industrial production are mostly rutile (TiO 2) and ilmenite (FeTiO 3).Rutile has high grade but small reserves. Ilmenite has abundant reserves but low grade of titanium dioxide, so reduction smelting is needed to enrich it into a titanium-rich material, i.e., high titanium slag or artificial rutile.
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titanium in metal and slag. In addition, slag viscosity decreases with increasing smelting time. ... with over 18 billion tons of proven vanadium and titanium magnetite reserves in China as of ...
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More than 65% of ilmenite is smelted using electric furnaces worldwide and 85% in China, where it is the primary production method for ilmenite [6]. Ilmenite is smelted in an …
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The titanium industry can hardly bypass the titania-containing slags, and the slag physicochemical properties are essential in the metallurgical reactor design and process control. The TiO2–FeO-based slags and TiO2–SiO2–CaO-based slags are the main metallurgical slag systems in the titanium resource utilization processes. To elaborate the role of TiO2 in the …
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Appropriate titanium slag composition during smelting of vanadium titanomagnetite metallized pellets Shuai WANG, Yu-feng GUO, Tao JIANG, Feng CHEN, Fu-qiang ZHENG, ... province in China possesses iron, vanadium and titanium resources. The proven deposits of titanium and vanadium account for 35.17% and 11.6% (mass fraction) of world ...
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iron, and the impurities in titanium slag are difficult to remove through leaching [8,9]. In particular, the titanium slag in Panzhihua cannot be used because of its high calcium and magnesium contents [10,11]. As shown in Table 1, a comparison of the chemical composi-tions of titanium slag from different regions is presented. The contents of TiO
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China Yunnan Metallurgical Company (CYMCO) to provide process technology and engineering design for a 30MW DC furnace ilmenite smelting facility in China's Yunnan province. Using locally mined ilmenite, it will produce 85,000 tpa of high-grade (>87%) titanium dioxide slag for use as …
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This paper demonstrates the results on the experimental smelting of the titanium rich slag and complex titanium-containing ferroalloy under the large-scale laboratory …
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In China, open top and semi-open top electric furnaces were often used for smelting titanium slag. However, this technique led to severe dust pollution, poor working conditions, and direct emission of voluminous exhaust …
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by 11.26 wt-%. The control temperature for smelting VTM using the HIsmelt process is 1425°C, with a reduction time of 20–30 min, which is conducive to the transfer of vanadium to the molten iron and the enrichment of titanium in the slag. To ensure vanadium and titanium are efficiently utilized, a basicity control of 0.8 is appropriate.
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Titanium slag; smelting; element distribution 1 Introduction Titanium and titanium dioxide are the main products of titanium metallurgy. Titanium and titanium alloys are widely used in aerospace, electric power, sporting goods, ships, marine engineering, and medicine. The titanium metal can be produced in a pure state, and has limited use in ...
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The blast furnace smelting process for vanadium titania-magnetite is shown in Fig. 1.The low concentration of TiO 2 with about 1.5 wt.% in the primary mineral can be enriched into titania-bearing slag with more than 20 wt.% TiO x, 29,30 as shown by the composition range in Table I; other oxides including CaO, MgO, SiO 2, and Al 2 O 3 are presented in the slag as …
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Indonesia is set to have its first titanium smelter, which is currently under construction in Bangka Regency, Bangka Belitung Islands. The progress of this project has reached 75%. ... Jaya for realizing its investment in the development of the processing industry, or smelter, for turning ilmenite into titanium slag. Ilmenite is a primary ...
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In recent years, a large amount of weathered crustal low-grade vanadium–titanium magnetite resources with proven reserves of 3 billion tons and prospective reserves of 20 …
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Abstract: The distribution of titanium, carbon and associated elements (calcium, magnesium, silicon and aluminum) in a smelting process is studied by means of a chemical equilibrium calculation method for multiphase and multicomponent systems, and verified through comparison with production results. In particular, using the coexistence theory for titanium slag structures, …
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China Yunnan Metallurgical Company (CYMCO) to provide process technology and engineering design for a 30MW DC furnace ilmenite smelting facility in China's Yunnan province. Using locally mined ilmenite, it will produce 85,000 tpa of high-grade (>87%) titanium dioxide slag for use as feedstock to CYMG's future pigment and titanium sponge plants.
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common BF slag. The main cause is the existence of titanium carbide and titanium nitride which has a high smelting point in slag and the out phase point can be easily provided for uniform nucleation in the process of crystallization of slag, which can meet the need to reduce the degree of superheat. [15] Figure 4.
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while leaving titanium dissolved in slag since the 1970s.2 This BF titanium slag contains only < 25 wt.% TiO 2, however, and is therefore difficult to recover in a cost-effective manner due to its low titanium content. The stacked slag occupies a large number of land, as well causes environmental problems including dust and heavy element ...
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Low cost and green recycling of titania-bearing slag is an important aspect of the circular economy to ensure the sustainable development of the titanium industry.
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TITANIUM resources are abundant in China; how-ever, most Ti exists in middle- and low-grade ores with complex multi-metals such as V and Cr. The low-grade ... removed for producing titanium slag via electric furnace smelting. Titanium slag can be classified as ultra-grade slag (UGS) and high-grade slag (HGS). UGS is pre-
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Radioactive elements associated with heavy mineral deposits may be removed from the ilmenite concentrate before smelting or, alternatively, from the high-titanium slag after smelting. The ilmenite, as mined, has a high Cr2O3 content and is not suitable for direct smelting to titania slag.
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The control temperature for smelting VTM using the HIsmelt process is 1425°C, with a reduction time of 20–30 min, which is conducive to the transfer of vanadium to the molten iron and the enrichment of titanium in the slag. To ensure vanadium and titanium are efficiently utilized, a basicity control of 0.8 is appropriate.
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Abstract: A novel direct-current electric arc furnace (DC-EAF) was designed and constructed in this study for experimentally investigating high-titanium slag smelting, with an emphasis on...
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3000kVA-33000kVA Titanium Slag Smelting Furnace Professional Metallurgical Equipment Manufacturer Titanium Slag Furnace FOB Price: US$ 150,000.00-3,000,000.00 / Set
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Electric-furnace smelting has become the dominant process for the production of the titanium slag from ilmenite in China. The crystallization behaviors of anosovite and silicate crystals in the ...
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Trans. Nonferrous Met. Soc. China 28(2018) 2528âˆ'2537 Appropriate titanium slag composition during smelting of vanadium titanomagnetite metallized pellets Shuai WANG, Yu-feng GUO, Tao JIANG, Feng CHEN, Fu-qiang ZHENG, Min-jun TANG, Ling-zhi YANG, Guan-zhou QIU School of Minerals Processing and Bioengineering, Central South University, …
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1. Introduction. High-titanium slag is a kind of granular or massive waste slag that is produced by the quenching or natural cooling of molten slag discharged from the pig iron obtained via smelting vanadium titanium magnetite [].Hydraulicity refers to the property that a material can be hardened in humid air and water to form a stable compound after being ground into a fine …
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There are many methods to prepare titanium rich materials, which can be divided into the methods to produce titanium slag and artificial rutile according to the final product; According …
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Study on Mechanism of Titanium Slag Smelting in DC electric Arc Furnace. Shihong Huang 1, XianHao Long 2, Yan Cui 3 and Liang Zhang 1. Published under licence by IOP Publishing Ltd Journal of Physics: Conference Series, Volume 2459, 2022 8th International Forum on Manufacturing Technology and Engineering Materials (IFEMMT 2022) 14/10/2022 - …
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