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Study on Mechanism of Titanium Slag Smelting in DC
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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Crystallization Behaviors of Anosovite and Silicate Crystals in …
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 high CaO and MgO titanium slag were studied to insure smooth operation of the smelting process and the efficient separation of titanium slag and metallic iron. The crystallization behaviors were …
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Optimization of hydrolysis process for acid-soluble titanium slag in
As the byproduct in the smelting process of vanadium titano-magnetite, titanium-bearing blast furnace slag (TBFS) can be converted to a titanyl sulfate (TiOSO4) solution containing MgSO4 and Al2 ...
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Titanium Slag Production Process: Technologies To Improve …
The process of titanium slag production is the process of smelting ilmenite concentrate in arc ore-thermal furnaces (OTF) in a semi-closed mode with the use of a powder mixture to obtain titanium slag of a specified content of iron oxide, as well as associated metal.
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Phase transformation and slag evolution of vanadium–titanium …
Aiming to improve the operation conditions of BF, it is necessary to add ordinary iron ore to decrease the titanium oxide content in slag [18]. However, the recovery of vanadium will be reduced and the production cost is increased correspondingly. So far, the proportion of VTM used in BF burden of Panzhihua Steel (China) is less than 70%.
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Article Influence of Anthracite-to-Ilmenite-Ratio on Element
The impurities in the titanium concentrate are reduced to different degrees under the temperature of reduction smelting. Fig. 6 shows the influence of the AIR on the distribution of elements in the titanium slag. With the increase in AIR, the mass fraction of TiO 2 in the titanium slag increased, and the mass fraction of FeO decreased. This is because the lower the carbon content, the …
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Influence of Anthracite-to-Ilmenite-Ratio on Element Distribution in
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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Uncovering spatiotemporal evolution of titanium in China: A …
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 utilization. Under such a circumstance, this study employs a dynamic material flow analysis method to reveal the evolution trend of China's titanium cycle from 2005 to 2020.
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Dynamic modeling of copper flash smelting process at a Smelter in China
Through reaction (4), FeO forms a liquid solution with SiO 2 in the slag phase, while it is oxidized via reaction 5 to form magnetite which remains mostly in the slag phase. The slag phase is made up primarily of FeO, Fe 3 O 4, and SiO 2 with trace quantities of copper and is considered as waste in the copper smelting process. The matte phase (copper percent by …
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Research progress of vanadium extraction processes from vanadium slag
Liu et al [32]. studied the smelting process of vanadium slag replacing part of V 2 O 5 smelting ferrovanadium. Aluminum powder, silicon powder, V 2 O 5, vanadium slag and lime are added to the electric arc furnace for reduction. The composition of ferrovanadium produced meets the national standard, and the recovery rate of vanadium is 97.5 %.
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Research Status of Element Distribution in Titanium Slag …
slag, titanium oxide is separated from iron to obtain titanium slag containing 72~95 % TiO. 2 [2]. Compared with wet-process production of titanium-rich materials, DC electric arc furnace smelting high- titanium slag has lower requirements on the taste of concentrates, and does not produce
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Analysing the HIsmelt process for smelting vanadium–titanium …
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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Improving the production efficiency of high-titania slag in Ti
Although there is no quantitative experimental results for the effect of SiO 2 on the titanium slags, it is easy to expect that SiO 2 could increase the viscosity of the titanium slag because SiO ...
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Appropriate titanium slag composition during smelting of …
titanium slag with MgTi2O5 as the main phase for smelting vanadium titanomagnetite by the DR−EF process is not very clear. In this work, the thermodynamics and the related phase diagrams are investigated to obtain the suitable titanium slag compositions that can mitigate the titanium reduction and produce a higher titanium slag. Finally, the
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Research on the Titaniferous Slag Smelting Process and …
Figure.1: The conventional titaniferous slag smelting process. The titanium concentrates are beneficiated from the titanium magnetite, so the conventional titani-um slag …
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Appropriate titanium slag composition during smelting of …
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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Evaluation of Titania-Rich Slag Produced from Titaniferous …
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.1–4 Commercial ilmenite smelters produce two products, namely titania-rich slag and a pig iron by-product. In contrast, smelting practices for titaniferous mag-
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Fusion Separation of Vanadium-Titanium Magnetite and …
The titanium-containing phases in the slag system are: black titanium, TiO 2, Ti 2 O 3, a small amount of titanium iron oxide, TiCN, TiC and some magnesium aluminum spinel. It can be noticed that the increase in carbon content changed the slag system composition and influenced to a certain extent the thermodynamic and kinetic process of the ...
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Yingkou China Mineral Processing – Astron …
Astron Titanium was the first company to introduce titanium slag into the China market and has long-standing relationships with many of the customers and processors in the mineral sands industry. The Yingkou mineral separation …
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High-Titanium Slag Preparation Process by Carbothermic
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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Titanium Slag Smelting Furnace 3000kVA-33000kVA …
Titanium slag smelting technology uses titanium concentrate as raw material and coke as reducing agent to produce high-titanium slag with a titanium slag grade of 85%-92%. Its …
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Effect of Smelting Time on Vanadium and Titanium Distribution
HIsmelt is well suited for smelting vanadium–titanium magnetite due to its flexibility in feedstock selection and tolerance to high viscosity slag, compared with the blast furnace. In this work, the effect of smelting time on the distribution behavior and recovery rates of vanadium and titanium in HIsmelt smelting of vanadium–titanium magnetite was investigated by experiment …
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Recent Progress in Electric Furnace Titanium Slag Processing …
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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Environmental impacts analysis of titanium sponge production …
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 …
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Titanium Dioxide | Global
This includes the BlueSmelting™ project, an ilmenite smelting technology that could generate 95% less greenhouse gas emissions than the current reduction process at RTIT Quebec Operations, enabling the production of high-grade titanium dioxide feedstock, steel and metal powders while reducing our carbon footprint. The BlueSmelting ...
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Titania-Slag
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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Effect of TiO2 and FeO on viscosity and structure of HIsmelt titanium
Vanadium-titanium magnetite (VTM) is an iron ore rich in vanadium, titanium, and other valuable elements, making it highly valuable for comprehensive utilization [1, 2].China is one of the largest producers of VTM in the world, with proven reserves of more than 18 billion tons of VTM as of 2019 [[3], [4], [5]].Smelting VTM presents challenges owing to its intricate mineral …
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Numerical simulation of coupling multi-physical field in …
furnace for smelting titanium slag ... China Iron and Steel Research Institute Group Co., Ltd. 2023 Abstract The smelting reduction process of the ilmenite in an electric arc furnace (EAF) is a commonly used technology for producing titanium slag in the world. It has particular significance to analyze the velocity–temperature–electromagnetics
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Life cycle assessment of a typical lead smelting process in China
The production of lead smelting in China has led to dangerous environmental contamination, which poses a continuous threat to human health and the ecosystem. ... The main destinations of arsenic included smelter slag, reflector slag, and anode sludge, of which 53.86% of the total arsenic was emitted from smelter slag, the most important source ...
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Appropriate titanium slag composition during smelting of …
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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