Viscosity of CaO–SiO2–Al2O3–MgO–TiO2–FeO Slag in HIsmelt Process …
Vanadium–titanium magnetite is a complex ore with iron, vanadium, titanium, and other valuable elements, and it is of great significance to recycle the valuable elements. HIsmelt smelting reduction of vanadium–titanium magnetite is a clean and effective ironmaking process. The effect of TiO2 content on the viscosity of CaO–SiO2–Al2O3–MgO–TiO2–FeO slag system …
اقرأ أكثر
Optimization of hydrolysis process for acid-soluble titanium slag …
As the byproduct in the smelting process of vanadium titano-magnetite, titanium-bearing blast furnace slag (TBFS) can be converted to a titanyl sulfate (TiOSO4) solution containing MgSO4 and Al2 ...
اقرأ أكثر
Research Status of Element Distribution in Titanium …
Early research on the smelting process of high-titanium slag also found that the chemical composition of hightitanium slag has always maintained the - composition of the theoretical compound M3O5, and its cations M are mainly Fe. 2+ and Ti. 3+, but the specific formation mechanism of this form is not clear. 55.
اقرأ أكثر
Phase transformation and slag evolution of vanadium–titanium …
The slag phase mainly consisted of spinel, silicates and wustite, in which the FeO content gradually decreased during the slag evolution process. Anosovite and silicate were the main phases in the slag fraction at the dripping temperature of 1441 °C. Titanium carbide (TiC) was also verified, which was an unfavorable product for the slag ...
اقرأ أكثر
Progress and Prospects for Titanium Extraction from Titanium …
Titanium-bearing blast furnace slag (TBFS) is a byproduct obtained after the blast furnace smelting process [].It can be categorized into low (W (TiO2) < 5%), medium (5% < W (TiO2) < 20%), and high-titanium slag (W (TiO2) > 20%) based on TiO 2 content [2,3,4].China generates approximately 7 million tons of TBFS annually, with accumulated storage exceeding …
اقرأ أكثر
Crystallization behavior of smelting slag for recovery of …
At present, the methods for recovering PGMs from SAC are pyro and/or hydrometallurgical methods [[10], [11], [12]].The pyrometallurgical method is widely used due to its simple process, high recovery efficiency, and wide range of cheap smelting additives [13, 14].The basic principle is that SAC, metal capture agents, and fluxes are mixed and smelted at high …
اقرأ أكثر
Selection and Economic Evaluation of Production …
Titanium slag Pig iron Air cooling and water cooling Crushing and Screening Drier Co Grinding and Screening Final product Fig.3 Flow chart of the whole process of titanium slag smelting in large-scale fully enclosed DC furnace (1) Raw material preparation In order to reduce the transshipment of raw and
اقرأ أكثر
High-Efficiency Smelting Separation of …
smelting temperature above 1450 °C, slag basicity above 0.8, smelting time 30-40 min, and coal dosage 20–22% [17]. Zhang et al. studied the distribution behavior of vanadium and titanium in the process of smelting vanadium–titanium magnetite with HI at 1450 °C and a basicity of 0.3–1.2 through the Hismelt process experiment.
اقرأ أكثر
Wettability and corrosion behavior between alkaline slag
The sodium smelting of vanadium–titanium magnetite can achieve the comprehensive utilization of Fe, V, and Ti. However, the generation of alkaline slag during this process may cause damage to refractory materials. The wettability and corrosion behavior of alkaline slag on three types of refractory (MgO–C, SiC, and high alumina refractory) substrates …
اقرأ أكثر
RQ0HFKDQLVPRI7LWDQLXP6ODJ6PHOWLQJLQ …
of titanium slag is less, so it is necessary to strengthen. 2. Process of titanium slag in smelting DC electric arc furnace Taking the production process of smelting high titanium slag in a 30MWA DC electric furnace in Yunnan as an example, ilmenite and anthracite are proportioned and mixed by controlling the feeding
اقرأ أكثر
EP2976438B1
In the process for producing titanium slag from ilmenite as shown in Fig. 1, a mixture of ilmenite and coal and/or char is fed from bins 1, 2, ... Titanium slag smelting system and method based on pre-reduction CN110000396A (en) * : : ...
اقرأ أكثر
Chemistry and Mineralogy of Titanium-rich Slags
smelting of hemo-ilmenite ore with anthracite coal. Titania slag represents an important feedstock for the manufacture of titanium dioxide pigment by the sulphate process. Moreover, part of the …
اقرأ أكثر
Sulfate vs Chloride Process: Titanium Dioxide Explained
Titanium Slag: Created by smelting ilmenite, titanium slag is another option for the sulfate process, offering a slightly higher titanium content. ... The chloride process produces higher quality titanium dioxide compared to the sulfate process, offering superior purity, whiteness, and opacity. This method uses high-grade raw materials and ...
اقرأ أكثر
Titanium-Enriched Slag Prepared by Atmospheric …
The advantage of the direct reduction–electric furnace smelting process is that the Ti resources from the VTMCs can be recycled, ... Acid oxide in the enrichment of titanium slag is higher than the titanium slag, and the alkaline oxide is even lower; thus, the enrichment of titanium slag can be used in the production of high titanium slag ...
اقرأ أكثر
Physicochemical Aspects of Titanium Slag Production …
The high conductivity of the slag has the effect that the smelting furnaces operate with an "open arc," with the largest part of the potential drop being across the arc itself, rather than within the slag.[3] IV. REACTIVITY Trivalent titanium in the slag affects not only the electrical conductivity, but is also responsible for the reactivity of
اقرأ أكثر
Optimization of Basicity of High Ti Slag for Efficient Smelting …
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 ing behavior during the …
اقرأ أكثر
Performance calculation of slag from vanadium titano …
The full oxygen bath smelting process does not use coke ... Appropriate titanium slag composition during smelting of vanadium titanomagnetite metallized pellets. Trans Nonferr Met Soc China, 28 (12) (2018), pp. 2528-2537, 10.1016/S1003-6326(18)64899-X. View PDF View article View in Scopus Google Scholar
اقرأ أكثر
Effects of CaO and MgO on the Local Structure and …
Electric furnace reduction smelting is a predominant method for preparing titanium-rich materials in China. [1,2,3] The essence of this method is to remove iron by selective …
اقرأ أكثر
Melting Properties and Phase Composition Transformation …
The non-blast furnace process, capable of achieving complete smelting of vanadium titanomagnetite with a high titanium grade in the slag, is also conducive to titanium recycling. It is regarded as an effective solution for the comprehensive recovery of iron, vanadium, and titanium from vanadium titanomagnetite [ 10 ].
اقرأ أكثر
Numerical simulation of coupling multi-physical field in …
which increases the demand of titanium slag since titanium slag is an important middle material for further production of titanium oxide or other titanium products. The smelting process of the ilmenite in an electric arc furnace (EAF) is a commonly used technology for producing titanium slag in the world [1]. However, this process is energy ...
اقرأ أكثر
High-Titanium Slag Preparation Process by Carbothermic
The traditional electric furnace smelting process is always maintained at 1873 K to 2073 K (1600 °C to 1800 °C) for approximately 8 to 10 hours, and it contains 10 to 12 pct FeO …
اقرأ أكثر
Technological research of process for producing titanium …
This paper demonstrates the results on the experimental smelting of the titanium rich slag and complex titanium-containing ferroalloy under the large-scale laboratory conditions …
اقرأ أكثر
Viscosity of TiO2-FeO-Ti2O3-SiO2-MgO-CaO-Al2O3 for High-Titania Slag
The present study demonstrates the dependence of viscosity on chemical composition and temperature of high-titania slag, a very important raw material for producing titanium dioxide. The results indicated that completely molten high-titania slag exhibits a viscosity of less than 1 dPa s with negligible dependence on temperature. However, it increases …
اقرأ أكثر
Titanium Slag Production Process Nowadays: From Raw …
The core of titanium dioxide slag production lies in the smelting process, a high-temperature operation that transforms the prepared raw materials into titanium slag. This phase occurs in a specialized furnace where the mix of titanium ores and reducing agents are subjected to extremely high temperatures, typically above 1600°C.
اقرأ أكثر
Appropriate titanium slag composition during smelting of …
Trans. Nonferrous Met. Soc. China 28(2018) 2528âˆ'2537 Appropriate titanium slag composition during smelting of vanadium titanomagnetite metallized pellets Shuai WANG, Yu-feng GUO, Tao JIANG, Feng CHEN, Fu-qiang ZHENG, Min-jun TANG, Ling-zhi YANG, Guan-zhou QIU School of Minerals Processing and Bioengineering, Central South University, …
اقرأ أكثر
Titanium Slag Production Process Nowadays: From Raw …
The core of titanium dioxide slag production lies in the smelting process, a high-temperature operation that transforms the prepared raw materials into titanium slag. This …
اقرأ أكثر
Value-added recycling of iron and titanium from bauxite …
The smelting process controls the type of titanium slag by adjusting the MgO content. Show abstract Bauxite residue, an industrial solid waste generated during alumina production, with over 80 % of bauxite residue worldwide being accumulated around alumina plants, which occupying a significant amount of land resources and posing a threat to the ...
اقرأ أكثر
A recyclable method for titanium extraction and oxygen …
Titanium (Ti) is one of the most important metals on Earth; it is widely used in the aerospace, marine, and biomedicine fields owing to its corrosion resistance, low density, and high strength. Since the 1940s, the Kroll process has been the primary industrial method for Ti production [1], [2], [3]. Nevertheless, evident drawbacks limit its ...
اقرأ أكثر
Electric Conductivity of TiO2-Ti2O3-FeO-CaO-SiO2-MgO …
This agrees well with Mori's speculation that small quantities of Ti 2 O 3 were contained in the CaO-SiO 2-TiO 2 slag during the process of the titaniferous iron sand smelting, the electric conductivity would increase sharply owing to the semiconductive behavior of titanium oxide. This fact had great significances during the practical ...
اقرأ أكثر
Technological research of process for producing …
agents were used to optimize the smelting of titanium rich slag. For smelting of titanium rich slag, the low-ash reducing agents were used, i.e., some oxides (SiO2, Al2O3, CaО and MgO) convert into the slag and impoverish target product - slag. The low electrical conductivity and ash content of the reducing agent ensures a high
اقرأ أكثر