For titanium slag, whether it is for the preparation of titanium dioxide or of high-quality titanium-rich materials, the key to the process is the removal of impurities. To prepare titanium dioxide, the best white …
This phenomenon further indicates that the high-titanium slag is a polyphase dispersion system, which consists of liquid slag, solid Ti(C,N) particles and bubbles. Relationships between ln(η/T ...
A novel low-carbon fire-resistive cementitious composites with favorable high-temperature resistance was prepared. • The action mechanisms of titanium slags on mineral phase evolution and heat resistance properties were elucidated. • The optimization effect of titanium slag on pore structure and limitation effect on pore deterioration were ...
The high titanium slag used in this work came from the Fuxin Titanium Industry Company (Liaoning province, China). High titanium slag with a particle size of less than 200 mesh obtained by sieving was used as the experimental raw material. The KOH solution used comprises analytically pure KOH reagent and deionized water.
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 compound after being …
High titanium heavy slag (HTHS) is a special blast furnace slag generated after the smelting of vanadium-titanium magnetite, with a TiO 2 content greater than 20% [[1], [2], [3]]. The slag is characterized by a high content of TiO 2 and a low level of calcium oxide, resulting in its low reactivity. Therefore, it is unsuitability as a raw ...
The titanium rich slag was produced from the low-grade ilmenite concentrate, i.e. the low TiO 2 content and the high content of impurities. During the production of the high-grade titanium slag (TiO 2 content: 75–80%), the impurity elements are transferred into the associated alloyed metal (cast iron). Thus, it can be used to smelt …
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.
As titanium has good physical and chemical properties, e.g. excellent strength, corrosion resistance, fatigue resistance, fracture …
A novel process (semi-melting process) was invented to produce high-titanium slag by reducing pre-oxidized ilmenite concentrate under the catalysis of 4% Na 2 SO 4 and reacting in 30 min at 1450 °C. The results demonstrate that the metallization ratio and the grade of titanium dioxide (removing the metal iron by theoretical calculation) …
High purity titanium dioxide (TiO 2) ... Zhu, X. F. et al. Potentially more ecofriendly chemical pathway for production of high-purity TiO 2 from titanium slag. ACS Sustain. Chem.
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.
Titanium dioxide slags are produced by reduction smelting of ilmenite in electric arc furnaces. The slag grade (sulfate or chloride) depends essentially on the …
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 …
In China, studies on stressed members with high titanium slag concrete mainly focus on reinforced concrete (RC) beams and columns. For example, Li Xiaowei, Jiao Tao, and other scholars carried out ...
Titanium slag is a highly demanded product on the market; 95% of it is used to produce titanium dioxide pigment. There is also a high world demand for inorganic …
So the titanium slag with a TiO2 grade of 72 to 74 pct was obtained. Therefore, this semi-molten reduction process improves the smelt-ing conditions (1673 K (1400 C), 1.5 hours) …
high-titanium slag was 98%, but the microstructure of the glass phase was very di erent from that of the blast furnace slag. The glass phase of high-titanium slag has stable forms, which are TiO4 4 monomers, chain or sheet units O–Ti–O, and a small amount of 6-coordination Ti4+. The Ti makes the
High titanium heavy slag (HTHS) is a special blast furnace slag generated after the smelting of vanadium-titanium magnetite, with a TiO 2 content greater than …
The content of titanium and iron in the high-titanium slag and iron concentrate after wet-magnetic separation were chemically analyzed. The content and recovery rate of titanium and iron in the high-titanium slag and iron concentrate as well as the yields of high-titanium slag and … See more
Comparing with one stage melting method by electric furnace, pre-reduced in the two stage method have the advantages of energy saving, inhibition of low-valent titanium and titanium...
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 …
2 as high-grade titanium slag was calculated according to the mass balance and defined as: u TiO 2 ¼ b m s a m p ð1Þ where u TiO 2 is the percentage recovery of TiO 2 in high-grade titanium slag and a and b represent the grade of TiO 2 in the metallized pellets and the high-grade titanium slag, respectively, as a percentage. …
The electric conductivity of high-titania slag of TiO2-Ti2O3-FeO-CaO-SiO2-Al2O3-MgO slag system was measured by means of four-electrode alternating current (AC) impedance method. The results show that high-titania slag exhibits a good electric conductivity, around 45 to 141 S cm−1 with slight dependence on the temperature, which …
The high-temperature area in the titanium slag layer is located inside the pitch circle with the maximum temperature of about 3000 K below each electrode. The high-temperature area appearing in the molten iron layer is caused by the heat transferred from the titanium slag layer. 3.
Besides, a higher titanium slag with a TiO 2 content of about 50 wt% can be produced by the direct reduction-electric furnace process [21, 22], and the extraction of titanium from the titanium ...
In order to study the effect of the change of MgO/Al2O3 on the viscosity and thermodynamic properties of the chlorinated blast-furnace slag, the CaO-SiO2-MgO-Al2O3-TiO2-CaCl2 slag system was taken as the research object, and the viscosity change rule of the chlorinated high-titanium slag was studied by using the rotating cylinder method. …
The High Titanium Slag Market Size highlights the market's growth potential, projecting a value of around USD XX.X billion by 2031, up from USD XX.X billion in 2023.This trajectory suggests a ...
For the sample with a carbon dosage of 13 pct, Na2CO3 dosage of 8 pct, reduction temperature of 1673 K (1400 °C), and 90 minutes holding time, high-titanium slag with a TiO2 grade of 81.63 pct ...
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 (a), the surface of Panzhihua high titanium slag raw materials are characterized by small particles with smooth surface. In contrast, the surface of treated sample appears rough …
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.
XRD and FT-IR results revealed the formation of rutile TiO2 phase after titanium slag through oxidization roasting; additionally, observed from SEM patterns, the rutile TiO2 phase with a complex ...
Titanium slag, known for its high strength and resistance to corrosion, finds applications in the oil and gas industry. It is used in the construction of pipelines, offshore platforms, and equipment subjected to harsh environments. Additionally, titanium slag-based materials are employed in drilling tools, valves, and pumps due to their ...
The ilmenite, as mined, has a high Cr2O3 content and is not suitable for direct smelting to titania slag. Titanium slag is produced in the mining, refining and smelting of mineral sands to produce titanium dioxide (TiO2) feedstocks used in the production of pigments, titanium metal, welding fluxes and other specialised products.
High titanium slag. Ilmenite is smelted in an electric arc furnace to produce pig iron and high titanium slag which typically contains about 85–90% TiO 2. The biggest consumer of TiO 2 is the pigment industry. Unusual optical properties appear when the average particle size of TiO 2 is reduced to < ...
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 were …