Li et al.41 studied the carbonization of titanium-bearing blast slag in N2 gas by plasma furnace, and the result indicated that 92 wt.% TiO2 in the slag was transformed into Ti(C, N) with ...
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@article{Li2021BehaviorOM, title={Behavior of magnesium impurity during carbochlorination of magnesium-bearing titanium slag in chloride media}, author={Liang Li and Fuxing Zhu and Pan Deng and Da-fu Zhang and Yao Jia and Kaihua Li and Lingxin Kong and Dachun Liu}, journal={Journal of Materials Research and Technology}, …
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According to Liu et al. [34], almost 200 electric furnaces had been built in China by 2016 to produce around "two million tons annually of titanium slag." About 60 …
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Materials. The experimental vanadium titanomagnetite ore in this investigation obtained from Panzhihua (Sichuan, China) was finely grinded and concen …
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Abstract. Titanium-bearing blast furnace slag (BFS) has valuable compositions and potential environmental hazardousness. Thus, developing efficient and …
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1. Introduction. Titanium and its compounds are important components of modern production. The properties of titanium, including high strength, good corrosion resistance, and s light weight, make it indispensable in such areas of application as aerospace, shipbuilding, chemical manufacture, military, medical care, etc. China, Japan, Russia, …
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Zheng Qiao. ... Steel Slag (SS) is a main solid waste in the iron and steel industry, and its treatment technologies include the hot-SS splashing method, the air-granulation method, the drum-type ...
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Titanium dioxide content of chloride grade slag (sometimes referred to as C slag) may range from 85 to 91% (Tronox 2018b; Iluka Resources 2011), and between 70 and 86% for sulfate grade slag (sometimes referred to as S slag) (Tronox 2018b; Gázquez et al. 2009) depending on the operation as well as the time in history. Titania slag …
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Deep processing of sponge titanium allows for a significant increase in the product-added value. According to the International Titanium Association, their value can double if titanium ingots are processed into semi-finished products. ... which has the largest deposits of titanium ore. China mines it from magmatogenic and ilmenite ...
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6 National-Local Joint Engineering Research Centre of Nonferrous Metals and Processing Technology, Hefei University of Technology, Hefei 230009, China * Correspondence: linyinhe2009@163 (Y.-H.L.); [email protected] (J.-W.L.) Abstract: The titanium-enriched slag was obtained via atmospheric hydrochloric acid leaching 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 …
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With the development of "Industry 4.0", artificial intelligence technology is gradually being applied in the steel industry. In actual production, there is a serious lag in viscosity measurement methods. First, this paper used big data technology to analyze and process the viscosity test data and then established prediction models based on the …
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Titanium Slag Furnace, Find Details and Price about Electric Arc Furnace Electric Furnace from Titanium Slag Furnace - FUJIAN SHENGLI INTELLIGENCE INDUSTRY SCIENCE & TECHNOLOGY CO., LTD. Home Product Directory Manufacturing & Processing Machinery Metallurgy Machinery
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1. Introduction. Titanium gypsum (TG) is a industrial gypsum produced during the manufacture of titanium dioxide (TiO 2) by the sulphuric acid process, after neutralisation of the acid waste solution with lime or calcium carbide slag (Zapata-Carbonell et al., 2019, Zhai et al., 2020).At present, every 1 ton of TiO 2 produced in China …
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The Panzhihua-Xichang region of China has rich vanadium titanomagnetite deposits with ore reserves of approximately10 billion tons. ... and provided a potential technology for the production of titanium dioxide with a new raw material. ... Novel process for titanium dioxide production from titanium slag: NaOH-KOH binary molten …
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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 …
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TiO2 is an important inorganic material which is commercially produced by either the chloride or the sulfate process. In general, the latter has lower cost and a lower entry barrier than the former. However, the environmental impact associated with the sulfate process is more visible than the chloride process because the sulfuric acid with a low concentration …
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1.—School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China. 2.—RHI AG, Technology Center Leoben, Magnesitstrasse 2, 8700 Leoben, ... 0.24 wt.% Pb, and 2.80 wt.% Zn) in China using a variety of techniques. It was shown that the dominant phases of the slag were fayalite, a …
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China is the largest titanium producer and consumer. In order to move toward carbon neutrality ambition, it is critical to uncover China's overall titanium …
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The fluoroammonium method for processing titanium slag using NH 4 HF 2 involves slag decomposition of in NH 4 HF 2 melt followed by silicon admixture sublimation. Cleaning from iron, aluminum and ...
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Fluxless smelting of ilmenite to produce furnace slag as feedstock for the pigment industry is a well-established industrial practice with extensive installed smelting capacity globally.1,2,3,4 Commercial ilmenite smelters produce two products, namely titania-rich slag and a pig iron by-product. In contrast, smelting practices for titaniferous …
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Research highlights Various titanium metallurgical processes for the production of titanium dioxide and titanium metal have been reviewed and compared including: Processes to upgrade ilmenite to synthetic rutile. Thermo-chemical Kroll and Hunter processes. Electro-chemical processes for direct reduction of TiO 2 and electro …
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The content of anovosite was 86.6%, review of of the the comprehensive methods for extracting titanium from titanium slag was that on the current proposed of olivine methods and enstatite was 5.8% ...
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The paper presents the conversion process from titanium slag to rutile TiO 2 through adopting the process route in the order of "Alkali leaching-Microwave roasting-Acid leaching-Microwave calcination". The transformations of the slag samples in terms of phase composition, molecular structure, and other changes before and after the process were …
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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 …
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Jinshu Wang E-mail: [email protected]. Received: 24 October 2020 ; Revised: 15 June 2021 ; Accepted: 28 June 2021; Available online: 30 June 2021. Abstract. Titanium-bearing blast furnace slag (BFS) has valuable compositions and potential environmental hazardousness. Thus, developing efficient and green approaches to …
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Titanium slag (TS) is the by-product during the metallurgical process for enriching vanadium-titanium magnetite, whose annual output is up to 5 million tons [12], [13]. Statistically, the accumulated stock of TS in China exceeds 80 million tons, while the recycled utilization ratio is less than 3% [14] .
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high-grade titanium slag and a and b represent the grade of TiO 2 in the metallized pellets and the high-grade titanium slag, respectively, as a percentage. Further, m p and m s are the mass of the metallized pellets and high-grade titanium slag, respectively, in gram. The flow sheet of the process proposed in this study is shown in …
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Appropriate slag compositions with binary basicity of 0.8 to 1.0, 10 wt.% to 12 wt.% MgO, and more than 48 wt.% TiO2 are suggested to obtain titanium-bearing electric furnace slag with low melting ...
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Based on the characteristics of the Kroll process, the system boundary was defined as from cradle to gate of titanium sponge production, which included five sub-processes, namely ore mining and dressing, smelting of titania slag, chlorination and refining, reduction and distillation, and electrolysis of MgCl 2, as shown in Fig. 1.The …
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In the world, about half of the exploited titanium placers are ilmenite placers. The primary ilmenite deposits are also exploited. The largest reserves of ilmenite are in …
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It has been reported that China has accumulated more than 80 million tons of titania-bearing slag over recent decades, and production is still increasing by 3 million …
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Taking China as an example, the application of titanium processing materials in different fields in China in 2021 is shown in Fig. 7. The main consumption fields of titanium in China are the chemical industry, aviation industry, electric power industry, and metallurgy industry, which account for 47%, 18%, 6%, and 5%, respectively.
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After copper slag is generated, it is essential to characterize its properties in detail for subsequent treatment. In the third article, entitled "Mineralogical Characterization of Copper Slag from Tongling Nonferrous Metals Group China," Tiejun Chun et al. investigated the mineralogical characteristics of a typical copper slag (40.21 wt.% Fe, …
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In this study, the final product and the high titanium slag were characterized by scanning electron microscopy technique, and the results are shown in Fig. 3.In Fig. 3 (a), the surface of Panzhihua high titanium slag raw materials are characterized by small particles with smooth surface. In contrast, the surface of treated sample appears rough …
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To determine the composition of final products, i.e., titanium slag, X-ray fluorescence analysis was executed. As a result of Fe and Ti behaviours in slag, SiO2 addition showed no significant ...
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The crude steel and pig iron production in China are 626.65 and 590.21 million tonnes, respectively, in 2010. On average, the production of blast furnace (BF) slag is 346 kg/t hot metal. For steelmaking slag this value was 137 kg/t steel in 2002.
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Titanium can be present in slags as Ti 4+ and Ti 3+, as the molten slag is formed in a blast-furnace under reducing conditions that favor the presence of some Ti as Ti 3+, 13 as shown in titania ...
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