— To realize the resource utilization of the valuable metals in the titanium-containing blast furnace slag, the process route of "hydrochloric acid leaching-electrolysis-carbonization and carbon dioxide capture-preparation of calcium carbonate" was proposed. In this study, the influences of process conditions on the leaching rates of calcium, …
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— Titanium-bearing blast furnace slag (BFS) has valuable compositions and potential environmental hazardousness. Thus, developing efficient and green approaches to utilize BFS is highly desired for resource economization and environmental protection. In the past decades, many attempts have been adopted to reuse BFS efficiently, and …
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— High titanium slag (HTS) is a famous byproduct for its high content of TiO 2 (15 % ∼ 27 %) generated from the production of pig iron by smelting vanadium titano-magnetite [12]. Approximately 80 million tons of HTS have been produced in the Panzhihua Iron and Steel Plant (China) during the past several decades.
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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 …
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— Synthesis of ed glass–ceramics from high‐titanium blast furnace slag using Na3PO4·12H2O as a stabilizer. Hongling Zhou Keqin Feng Yihong Sun. ... Recycling secondary aluminum dross to make building materials: A review ... Utilization of coal fly ash from a Chinese power plant for manufacturing highly insulating glass ...
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High Titanium Slag Recycling Plant Crusher For Sale Slag Recycling Mining Mill Machine. Slag Iron Recycling nnguniclubcoza. slag mining machine recycling mining plant for sale Apr 24, 2018 recycling iron slag process plant is a leading global manufacturer of crushing and milling equipment recycling iron slag process plant, also supply ...
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— Steel slag recycling is a serious problem in China. The volume of steel slag is growing rapidly because the output of steel is steadily increasing; however, slag's utilization remains relatively low. The utilization rate in China is only 29.5%, whereas the utilization rate of steel slag in industrial countries is more than 85%.
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— The efficient utilization of high-titanium-bearing BF slag is realizable through the titanium extraction method. Notably, the high-temperature carbonization and low-temperature chlorination process is the only capable approach toward achieving semi …
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— A high titania slag that is used as a feedstock for TiO2 manufacturing is obtained by ilmenite smelting (FeO.TiO2). The composition of the slag obtained by smelting is dependent on the composition of the mineral used for slag preparation, i.e., ilmenite in our study. At the laboratory scale, ilmenite slags are mostly obtained by using ilmenite as …
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— 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 …
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— The principle of titanium recovery by the pyro-hydrometallurgy complex process, generally, is to remove iron, aluminum, silicon, and so on. By sintering red mud …
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— Precast concrete (PC) shear wall members are essential components of the precast concrete shear wall structural system. Therefore, it is crucial to research their materials, and seismic performance is an important and vital indicator to promote the development of prefabricated buildings. This study introduced a new type of precast …
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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 …
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— The titanium-enriched slag was obtained via atmospheric hydrochloric acid leaching of mechanically activated vanadium titanomagnetite concentrates (VTMCs). Under the influence of mechanical activation, specific physicochemical changes were observed via X-ray diffractometry, scanning electron microscopy, and granulometric laser diffraction …
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Titania slag represents an important feedstock for the manufacture of titanium dioxide pigment by the sulphate process. Moreover, part of the pro-duction of the titania-rich slag is further acid-leached under a high-pressure and moderate-temperature hydrometallurgical process to yield an upgraded titania slag with 94.5 mass percent TiO 2, which
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— In this work, a novel multifunctional light-weight high titanium slag (HTS)-based geopolymer was fabricated. The physical properties such as compressive strength, thermal conductivity, electrical conductivity, and electromagnetic wave absorption characteristics of HTS-based geopolymer composites with different matrix …
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— The present review provides a description of the titanium recycling methods used to produce mostly aeronautical components by additive manufacturing, offering an overview of the actual state of the art …
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— However, this recycling method also produces a large amount of Ti-extraction blast furnace slag (TEBFS), a solid waste product with a high level of Cl (Xi et al., 2018). Processing 1 ton of blast furnace slag results in the production of about 0.8 ton of TEBFS. ... A novel recycling approach for efficient extraction of titanium from high ...
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— High titanium heavy slag is one kind of solid waste that exists in large amounts in the southwest of China. In this paper, this high titanium heavy slag is used as natural pre-wetted material in concrete because of …
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— This paper presents a brief review of the history of titanium smelting and the current trends in related research and development. Presently, both electrolytic and metallothermic reduction processes utilizing various feed materials such as titanium oxide are widely studied. However, many challenges remain to be addressed before realizing …
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— Purification of titanium tetrachloride (TiCl 4) is an important step in the titanium process.After chlorination, impurities in the gained crude TiCl 4 such as V, Al, Fe, Si, etc. were removed by distillation technique following the chemical pre-treatment method. Simple distillation, distillation with bubbled N 2 and distillation in presence of copper …
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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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— 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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— As a result, a substantial volume of vanadium-bearing steel slag formed by vanadium and titanium magnetite might be used to recover vanadium (Jia et al., 2014). The Nippon Slag Association (2017) reported that Japan produced 13.67 million tons of …
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— 1. Introduction. Coal-based direct reduction (CBDR) in iron ore smelting, emerging as a prominent method in the mid-20th century, represents a significant evolution in response to energy crises and environmental concerns, entails the removal of oxygen from solid iron ore to produce solid sponge iron that can be used in electric arc furnace …
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— Titanium-bearing blast furnace slag (BFS) has valuable compositions and potential environmental hazardousness. Thus, developing efficient and green …
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Công ty khoáng sản Sông Bình. Song Binh Titanium Slag Plant. Titanium slag is classified into 2 categories based on the TiO2 content: Low slag (75 – 85% TiO2) used for pigment production by Sulphate process and High slag (> 85% TiO2) used for pigment production by Chloride process.
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— When precipitates obtained by hydrolysis of purified titanium solution at 363 K were calcined at 973 K, 99.6–99.9% TiO 2 was obtained. Therefore, this study …
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— In the present study, novel catalytic fluxing method were employed to accelerate the carbothermic smelting reduction of ilmenite ore at 1873 K through thermodynamic simulation and high...
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— 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 efficiency. …
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— The total cost of comprehensive processing should be lower than the created value after resource collection and utilization, which indicates that the recycling process should be simple, feasible ...
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— The smelting process can be divided into three stages, namely decomposition of high-valence sulphide, oxidation of sulphide, and matte smelting and slagging reaction (Fig. 1).The efficiency of matte smelting and matte-slag separation, as well as the extent of copper losses to slag are mainly affected by the oxidation/reduction …
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— Extraction of titanium from the concentrate with recycling dust into commercial products (titanium slag) – no less than 98%; Producing titanium slag with a …
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Roughly 45% of the generated BOF slag can be used as flux in the blast furnace with present slag processing, thereby reducing the need for limestone and improving the material efficiency. In the simulated iron and steel production system the phosphorus (P) level in produced hot metal limits recycling of BOF slag to the BF. 83.0% 6.9% 0.6% 2.7%
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