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The fusing temperature of high titanium slag was 1626.17∼1691.24 °C. After the high titanium slag was completely melted, the viscosity of high titanium slag was 86∼127 mPa · s. When the temperature was lower than the fusing temperature, the high titanium slag precipitated into solid-phase particles.
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KNaTiO 3 is a novel type of solid CO 2 sorbents with strong sorption capacity and excellent regenerability at high temperatures. However, the expensive titanium precursor hampers its implementation for industrial applications. Herein, advanced KNaTiO 3 based CO 2 sorbents were first fabricated directly from high titanate slag (HTS). …
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1. Introduction. Panzhihua vanadium‑titano-magnetite ore is the greatest titanium mineral resources in China [1].The ilmenite concentrate is smelted using an electric arc furnace to produce the HTS, and over 5 million tons of titanium-bearing slag are outputted per year [2], [3].However, the effective interest rate of HTS is below 3%, …
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in high-titanium slag and iron concentrate after wet-magnetic separation, respectively; m0 TiO 2 and m0 Fe are the TiO 2 and the iron content in sample before wet-magnetic …
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Titanium slag is a high-demand product in the global market with a significant production volume characterized by a consistent and long-term growth trend. …
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Titanium slag is a high TiO 2 bearing material produced by. smelting titanium concentrate. Different from the steelmaking. and ferroalloy pro duction, titanium slag smeltin g techn ology.
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In this paper, the effect of titanium carbonitride (Ti(C,N)) on the viscosity of high-titanium-type blast furnace slags was investigated. The different Ti(C,N) contents were achieved by adjusting the reduction degree of TiO2 to reflect the real characteristics of the high-titanium slag. The results show that the viscosity of the slag increased with …
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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 …
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The slag-steel reaction generally makes the continuous casting of high Titanium steel difficult, which results in a decrease of the SiO 2 content from the mold flux and an increase in the content of TiO 2. This results in changes in the physicochemical properties of the resulting material, such as an increase in the viscosity and melting ...
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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 …
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Slag basicity (mass ratio of CaO to SiO 2) is an important index to ensure smooth operation and efficient separation between the metal and slag within the metallurgical industry.Effects of basicity of the high titanium slag on the recovery of iron and vanadium, the separation behaviors between iron and slag, as well as the slag …
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in high-titanium slag and iron concentrate after wet-magnetic separation, respectively; m0 TiO 2 and m0 Fe are the TiO 2 and the iron content in sample before wet-magnetic separation. The high-titanium slag and the iron concentrate were obtained after wet-magnetic separation, so the yield of high-titanium slag and iron concentrate were …
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1. Introduction. High titanium heavy slag (HTHS) is a special blast furnace slag generated after the smelting of vanadium-titanium magnetite, with a TiO 2 content …
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High titanium slag and KOH solution were used to synthesize potassium titanate whiskers. The acid conversion of potassium titanate whiskers in hydrochloric acid solution can directly prepare titanium dioxide. When the conversion temperature was 130 °C, the influence of hydrochloric acid concentration on the acid conversion of potassium …
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In this paper, the influence of basicity (CaO/SiO 2 ) on the viscosity and crystallization characteristics of chromium-containing high-titanium slag was studied. The melting temperature and viscosity were measured by employing the hemisphere and rotating cylinder methods, and the composition and morphology of the crystallized phase …
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Titanium dioxide slags are produced by reduction smelting of ilmenite in electric arc furnaces. The slag grade (sulfate or chloride) depends essentially on the quality of the ore or concentrate fed to the slag furnaces. Upgraded slag or UGS is produced by high-pressure acid leaching of sulfate slag.
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The high titanium slag was milled and sieved to 57 3 μm . particle size and stored for experiments. The sample was . placed in the microwave hi gh temperature reactor, and .
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The glass phase of high-titanium slag has stable forms, which are TiO44− monomers, chain or sheet units O–Ti–O, and a small amount of 6-coordination Ti4+. The Ti makes the SiO4 tetrahedron ...
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This paper proposes a new technique for preparation of high-grade titanium slag from Panzhihua vanadium titanomagnetite concentrate by reduction–melting–magnetic separation processing. Chemical analysis, x-ray diffraction, and scanning electron microscopy in conjunction with energy-dispersive spectroscopy …
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A H 2-CH 4 mixed gas based reduction has already been used for the preparation of titanium oxides from ilmenite, rutile, and perovskite, 97,98 as well as high …
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The viscosity of high-titanium blast furnace slag with different TiO2 content, Al2O3 content, and basicity was measured at 1653–1773 K using the rotational cylinder method. The phase composition of the slag is measured by XRD. Phase diagram of the slags is calculated by FactSage software. Ionic network structure of the slags is …
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High-purity intermetallic β-Ti (FeTi4) and FeTi alloys were prepared via molten salt electrolysis from a titanium-containing waste slag and Fe2O3 mixture using molten CaCl2 salt as the electrolyte.
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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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1. Introduction. Vanadium titano-magnetite is a major source of iron, vanadium, and titanium resources, with about 18 billion tonnes of reserves in China [[1], [2], [3]].Currently, there are various processes for the comprehensive utilization of vanadium titano-magnetite [4, 5].However, it is difficult to achieve efficient recovery of vanadium …
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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 …
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titanium plant (Guizhou, China); it was obtained by enriching and oxidizing the soot generated during the production of titanium sponge. The chemical composition of high-titanium slag is listed in sup-plementary Table S-1 (refer to online supplemental material), and the XRD pattern of high-titanium slag is shown in Fig. 1. The high-titanium ...
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High titanium heavy slag powder (HSP) is a typical waste with vast reserves but lacks effective disposal. This paper investigated for the first time the potential of reusing HSP as a sustainable ...
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A large amount of titanium furnace slag is generated, including high titanium heavy slag (HTHS) with a content of TiO 2 greater than 20% (Kotze, 2020; Qiu …
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ABSTRACT. In this work, we demonstrate a novel synthesis of synthetic rutile from high titanium slag. This rutile TiO 2 was obtained by a simple one-step microwave roasting route. The influence of microwave roasting temperature and duration on the phase transformation of high titanium slag has been assessed.
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In this paper, a novel process was studied for the recovery of iron and titanium from ilmenite concentrate. The ilmenite powders first underwent an oxidation pretreatment and were reduced isothermally at 1350–1450 °C by graphite with the addition of Na 2 SO 4.The influence of temperature, C/O molar ratio and the dosage of the added …
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