2022.1.14 Anthracite, lignite, etc. are employed as carbon resource materials and added into the electric furnace to carbonize the titanium in titania-bearing slag, and TiC
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2020.10.24 X.M. Zhang, Study on Anti-Erosion Materials Prepared with Titanium-Bearing Blast Furnace Slag by Carbon-Thermal Reduction and Nitridation
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2018.3.1 Large quantities of CO 2 and blast furnace slag are discharged in the iron and steel industry. Mineral carbonation of blast furnace slag can offer substantial CO 2
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2020.1.1 Titanium dioxide slags are produced by reduction smelting of ilmenite in electric arc furnaces. The slag grade (sulfate or chloride) depends essentially on the
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2023.1.1 Steel-making slag (SS) is a by-product of metallurgical industry, mainly including basic oxygen furnace (BOF) slag, electric arc furnace (EAF) slag, argon
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2020.11.19 For the sample with a carbon dosage of 13 pct, Na 2 CO 3 dosage of 8 pct, reduction temperature of 1673 K (1400 °C), and 90 minutes holding time, high
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The result show that when 25% mass of Fe 2 O 3 relative to the Ti-bearing BF slag was added, without adding carbon powder, and roasted at 1400°C for 6 h, a titanium concentrate with 22.5% of TiO 2 was obtained, and
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2022.9.16 Ti-extraction blast furnace slag (EBFS) is a secondary slag produced by titanium extraction of titanium-bearing blast furnace slag (TBBFS), which is challenging to be used directly because of its
Read MoreThe carbothermic reduction experiments were carried out for titanium-bearing blast furnace slag from Panzhihua Iron and Steel Company in argon atmosphere at high temperatures. The effects of reduction temperature, isothermal treatment time and carbon particle sizes on the formation of TiC were studied by X-ray diffraction (XRD) and
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2020.7.10 Recent advances in high value-added carbon materials prepared from carbon dioxide for energy storage applications. 2023, ... Two cost free slags, titanium containing blast furnace slag and electroslag remelting slag, serve as the electrolytes, and a series of liquid cathode metals are tuned to reveal the depolarization effect.
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2018.12.27 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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2012.1.1 A literature review of titanium slag metallurgical processes. January 2012. Metalurgia International 17 (7):49-56. Authors: Haoyan Sun. Chinese Academy of Sciences. Jingsong Wang. Tianjin University.
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2018.5.17 The kinetics of carbothermal reduction of titanium-bearing blast furnace (BF) slag has been studied by thermogravimetric analysis and quadrupole mass spectrometry. The kinetic parameters (activation energy, preexponential factor, and reaction model function) were determined using the Flynn–Wall–Ozawa and Šatava–Šesták
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2020.11.19 As the titanium industry rapidly develops, low-grade ilmenite resources are drawing global attention. The direct use of low-grade ilmenite can result in low production efficiency and heavy pollution. In addition, the production of high-titanium slag via electric furnace melting consumes significant energy and possesses low production
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2020.5.7 2.3 Experimental procedure . The experimental procedure in this study included two parts: microwave roasting and leaching. First, BF slag (100 mesh), ground by an agate mortar, was mixed uniformly with (NH 4) 2 SO 4 at a mass ratio of 1 : 2, and then placed in a graphite crucible. The crucible was placed in a microwave tube furnace with
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2023.7.21 At present, high utilisation, low pollution, low cost titanium recovery methods have still not been found, roasting, leaching is still the mainstream methods for industrial recovery of titanium components in titanium-containing blast furnace slag, and most of the research results are mainly for a certain link of improvement,.and a
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2018.11.15 A comprehensive study of the behavior of Ti, Si, and V in Fe slag phases was conducted by Wang et al. for application to direct reduction in electric furnaces. In “Behavior of Titanium during the Smelting of Vanadium Titanomagnetite Metallized Pellets in an Electric Furnace,” the authors perform an analysis of the TiO 2 activity and the
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Microwave roasting of blast furnace slag for carbon ... (Al), and titanium (Ti) were 93.3%, 98.3%, 97.5%, and 80.4%, respectively. Compared with traditional roasting, the production efficiency of this process was more than 10 times higher, and the energy consumption for mineralizing 1 kg of CO 2 could be reduced by 40.2% after
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2023.2.27 Currently, more than 70 pct of the global pig iron production (about 1.28 billion tons in 2021) is made through blast furnace process by using carbon as a reductant, whereas each ton of pig iron produced by this process discharges about 2.1 tons of CO 2. [1,2,3] With the implementation of the global zero carbon emission strategy, the low
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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-ferred for producing titanium dioxide via chlorination, while HGS, with high impurities, is mostly used in the sulfuric acid process. Both UGS and HGS are mainly produced using the ...
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2023.11.15 Li YY, Yan BJ (2023) A novel approach for pre-concentrating titanium from Ti-bearing blast furnace slag. Sep Sci Technol 58(9) ... Turek T (2017) Modeling and simulation of the use of direct reduced iron in a blast furnace to reduce carbon dioxide emissions. J Clean Prod 164(15):1519–1530. Article CAS Google Scholar ...
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2020.1.1 Abstract. The production of raw titanium metal relies on natural and man-made feed materials, including natural rutile, titanium dioxide slags of different grades (“chloride slag,” UGS, and “sulfate slag”), and synthetic rutile. Natural rutile was the feedstock of choice at the early years of the Kroll process, but nowadays it comes in ...
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2022.4.28 Titanium-containing carbide slag (TCS) is the product obtained by high-temperature carbothermal reduction in Titanium-bearing blast furnace slag (TBFS), which contains a large amount of TiC phase with excellent electrical conductivity. In this paper, conductive cement mortar was prepared with TCS as an aggregate and graphite as a
Read More2021.1.3 The calcium hydroxide (Ca(OH) 2) was used as fluxes to adjust the basicity of vanadium–titanium magnetite carbon-bearing pellet.Its purity was 95%. 2.3 Smelting Reduction Experimental Method of Vanadium–Titanium Magnetite Carbon-Bearing Pellet. Firstly, a certain amount of vanadium–titanium magnetite, coal and Ca(OH) 2
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2022.1.14 Published in JOM 14 January 2022. Materials Science, Environmental Science, Engineering. JOM. 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. In this paper, the existing titanium extracting techniques are
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2019.5.22 The indirect mineral carbonation of industrial residues is one of the potential technologies for CO2 sequestration. In this paper, the leaching and carbonation of electric arc furnace (EAF) slag ...
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2019.11.27 The Furnace Method was evaluated as a potential improvement on the Mixing Method for the production of low carbon ferrochrome. The Furnace Method can provide significant savings in the operating ...
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2022.5.23 Aiming at the process of smelting ultra-high (>80%) or even full vanadium titanomagnetite in blast furnace, we are conducting a series of works on physics character of high TiO2 bearing blast furnace slag (BFS) for slag optimization. This work discussed the density and surface tension of high TiO2 bearing BFS using the Archimedean
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