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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
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— High titanium blast furnace slag TBFS is a kind of slag produced during the smelting of iron using vanadium titanium magnetite ore including various compositions such as perovskite CaTiO 3 diopside CaMg SiO 3 2 and magnesium aluminum spinel MgAl 2 O 4 [] The global annual output of TBFS is completely large because of the wide
— 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 titanium slag with a TiO 2 grade of pct and iron content of pct was produced with the TiO 2 recovery rate of pct and the yields of pct High titanium slag can be used as
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— Titanium slags produced through ilmenite electric furnace smelting contain 60 80%TiO2 a vital titanium resource in the titanium industry The processing and utilization of titanium slag is faced with many challenges such as complex mineral structures high requirements severe environmental pollution and heavy additives and energy
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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 In this paper the existing titanium extracting techniques are comprehensively summarized The principles advantages as well as existing problems are clarified in relation to traditional
— This work reported a rapid preparation route of carbonized high titanium slag CHTS based geopolymer with better mechanical properties by employing different curing techniques The combination pre curing treatment first thermal heating at 60℃ for 6 h and then microwave radiation at 210 W for 15 min was confirmed as an effective preparation
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— Title One step production of high strength titanium alloy by sintering titanium hydride powder from upgraded titania slag Journal Transactions of Nonferrous Metals Society of China Authors Zhaowang Dong Yang Xia Xueyi Guo Qianghua Tian Hanning Liu Peidong Liu Yubing Chen
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— The recycling of high titanium bearing blast furnace slag TiO 2 > 23 wt % is an urgent problem that has attracted global research attention To achieve high efficiency low consumption clean and high value added recycling utilization a new process is proposed herein which entails reacting a CH 4 H 2 N 2 gas mixture with the titanium
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— Microwave absorbing properties of high titanium slag were investigated by using microwave cavity perturbation technique High titanium slag containing more than 90% TiO2 was prepared by carbothermal reduction of ilmenite The temperature rise curve of high titanium slag in microwave heating process was obtained Crystalline compounds of high
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— Beyond those companies there are many other Chinese titania slag producers 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 kt/a titania slag is also produced in Ukraine and Kazakhstan in Vietnam and maybe in India [35]
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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
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— Titanium metal was successfully prepared from high titanium slag via an electro deoxidation process in molten CaCl2 melt in argon The effects of sintering and electrolysis temperatures on the electro deoxidation process were investigated The results show that the porosity of the pellet decreases rapidly with the increase of sintering
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— High titania content > 20 mass% results in high content titanaugite and low silicates with potential hydration activity So more than 60 million slag was piled up in PR China and more than 3 million tons of new additional slag is produced per year The pileup of the BF slag not only pollutes the environment but also wastes the titanium resource
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— This work reported a rapid preparation route of carbonized high titanium slag CHTS based geopolymer with better mechanical properties by employing different curing techniques The combination pre curing treatment first thermal heating at 60℃ for 6 h and then microwave radiation at 210 W for 15 min was confirmed as an effective preparation
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— TiO 2 FeO Ti 2 O 3 slag system is the dominant system for industrial high titania slag production In the present work viscosities of TiO 2 FeO and TiO 2 FeO Ti 2 O 3 systems were experimentally determined using the concentric rotating cylinder method under argon atmosphere A viscosity model suitable for the TiO 2 FeO Ti 2 O 3 slag
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— High titania content > 20 mass% results in high content titanaugite and low silicates with potential hydration activity So more than 60 million slag was piled up in PR China and more than 3 million tons of new additional slag is produced per year The pileup of the BF slag not only pollutes the environment but also wastes the titanium resource
— This work reported a rapid preparation route of carbonized high titanium slag CHTS based geopolymer with better mechanical properties by employing different curing techniques The combination pre curing treatment first thermal heating at 60℃ for 6 h and then microwave radiation at 210 W for 15 min was confirmed as an effective preparation
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— The high conductivity of the slag causes the large potential drop and violent fluctuation of electric current Pistorius and Coetzee 2003 Sahoo et al 1999 Addition of ESCM slag to the high titania slag leads to stabilize the electrical conditions and reduces the violent fluctuation of electric current
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— The ilmenite powder was obtained from Panzhihua Iron and Steel Group Sichuan Province China and the pre oxidized ilmenite concentrate powder was obtained by oxidizing ilmenite concentrate in a muffle furnace at 1100 °C for 2 h in size distribution of the particles for pre oxidized ilmenite concentrate was 150 200 ray
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— The results showed that the fusing temperature and the viscosity of high titanium slag decreased when the MnO content increased The fusing temperature of high titanium slag was ∼ °C
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— tion with high titanium slag TiO2 92wt% as a material has been developed by Xue et al [12] In this process the high titanium slag was decomposed in a molten NaOH system with an NaOH to high titanium slag mass ratio of 1 In comparison with the sulfate process this method has the advantages of high reaction activity high
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— A high titania slag is obtained which is used as a feedstock for the TiO2 pigment production such as X ray powder diffraction XRD scanning electron microscopy SEM inductively coupled
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— The reason is that the chloride process has a strict requirement for the grade of titanium content while the grade of titanium dioxide is low in the titanium slag [4] As the high grade natural rutile resources have significantly depleted over the years developing a process that could utilize low grade is imperative [1]
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— The modification experiments were performed in a vertical MoSi 2 furnace with a B type thermocouple It was estimated that the overall absolute temperature accuracy of the experiment was ±3 °C kg of Ti bearing blast furnace slag kg of titanium slag and 8 kg of SiO 2 were loaded into a crucible at 1450 °C for 60 min to melt it Then
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— The formation of Ti C N would result in slag foaming high viscosity of slag difficulty in slag iron separation and low desulphurization which seriously deteriorates the running conditions of BF 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
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DOI / Corpus ID 213680199; Purification of titanium tetrachloride from titania slag chlorination article{Hung2019PurificationOT title={Purification of titanium tetrachloride from titania slag chlorination} author={Ly Cam Hung and T D Hai and Tran Anh Khoa and Le Thi Minh Vien and Phan Dinh Tuan} journal={Vietnam Journal of
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— High titania content > 20 mass% results in high content titanaugite and low silicates with potential hydration activity So more than 60 million slag was piled up in PR China and more than 3 million tons of new additional slag is produced per year The pileup of the BF slag not only pollutes the environment but also wastes the titanium resource
— The high temperature interactions between vanadium titanium magnetite carbon composite hot briquettes VTM CCBs and pellets were systematically investigated under simulated blast furnace conditions with respect to the reduction behavior softening melting dripping characteristics gas permeability and Ti C N precipitation
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