Recovery of Vanadium, Titanium, and Iron from Vanadium
Vanadium titanomagnetite concentrate (VBT) is a kind of multi-metal element symbiotic compound ore, containing iron, vanadium, and titanium [].More than 85% of vanadium and 90% of titanium originate from VBT in China [2, 3].The western Liaoning area is another large deposit in China besides Panzhihua, which is characterized by high …
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Mechanism and application of the ore with chlorination treatment: A
Treating ore with chlorination metallurgy is a kind of metallurgical process of comprehensive recovery and utilization of ore resources by means of chlorination metallurgy. Chlorination metallurgy, in a broad sense, refers to the reaction of various metals or metal oxides, sulfides and other compounds to be extracted with highly chemically ...
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FeO-Fe2O3-TiO2 ternary system. | Download Scientific …
The titanium product prepared from river basin ilmenite by direct hydrometallurgical processing showed 95.61% TiO2, 3.81% Fe2O3t, and 0.58% other oxides, and corresponds to a complete rutile phase ...
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Minerals | Free Full-Text | Sulfuric Acid Leaching of …
The mechanical activation of altered ilmenite not only had a positive effect of accelerating the titanium ore leaching due to an increase in the specific surface area and an increase in the reactivity of ore …
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The effect of mechanical activation duration on the …
TiO 2 is popular in modern industries, including dyestuffs, , and cosmetics. To convert titanium slag to TiO 2 with maximum efficiency, mechanical activation is an important pretreatment step to control the particle size of the titanium slag and the subsequent leaching process. Our study used a planetary high-energy ball mill to …
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Phase evolution, morphological, optical and …
Titanium dioxide, TiO 2, is among the most studied semiconductor metal oxides in recent years, because of its wide range of applications such as electro-optical devices, self-cleaning and/or ...
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Aluminothermic production of titanium alloys (Part 2): …
Activation degree of charged rutile concentrate vs. specific energy input Influence of activation duration on booster demand and metal recovery In order to compare the ATR trials with different ...
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Titanium production by magnesium thermal reduction in …
Main raw material for titanium production is rutile ore (mainly TiO 2 ). It is treated with chlorine producing titanium tetrachloride (TiCl 4 ), which is then reduced by magnesium at a temperature ...
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Co-blending modification of activated coke using …
3 Citations. Metrics. Abstract. Activated coke (AC) has great potential in the field of low-temperature NO removal (DeNO x ), especially the branch prepared by …
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(PDF) The role of neotectonic activations in the formation of …
The role of neotectonic activations in the formation of the Ukrainian sub-province of titanium and titanium-zirconium placer deposits (scientific and applied aspects)
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Evolution of Sulfur Species on Titanium Ore Modified …
This study aimed to investigate the evolution of sulfur species on titanium ore, Fe2O3, and TiO2 modified activated coke (i.e., TOAC, FeAC, and TiAC) during the flue gas desulfurization process. The results showed that TOAC, FeAC, and TiAC displayed better desulfurization performance than a blank sample, with the highest sulfur capacity for …
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Mechanically Activated Rutile and Ilmenite as the …
Mechanically activated rutile ore can be used for aluminothermic reduction to produce a titanium master alloy. KClO 4 can be used, as well as CaO 2 as booster. In …
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(PDF) Production of titanium tetrachloride (TiCl …
9.5kcal per mole activation energy was obtained for kinetic and geometric constants at 60 0- ... Iron in the titanium ore was selective ly remov ed in the form of iron chlorides v ia reaction .
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Mechanical activation and physicochemical factors …
Grinding is the main method for the mechanical activation of titanium ore. Milling parameters are thus significant for effective and efficient grinding with the minimum possible energy consumption. For example, a lower ball-to-powder ratio results in less efficient grinding and longer grinding times (Begin-Colin et al., 2000). Planetary ...
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A novel method of enhancing valuable element recovery for …
The ultra-high-titanium magnetite is from west Liaoning, with the chemical composition in Table 1. This kind of iron ore has the characteristics of low iron, high vanadium and ultra-high titanium, and more impurities. Fig. 1 shows the composition of the magnetite ore, which is mainly composed of magnetite, ilmenite and some silicates.
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(PDF) General review of titanium ores in exploitation: …
Titanium ore deposits are distributed in 20 countries. Ilmenite (FeOTiO2), leucoxene (Fe2O3.nTiO2), and rutile (TiO2) are the major Ti ores. Titanium ore minerals in rocks (i.e., primary deposits ...
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Materials Today Communications
wet the titanium slag by mechanical activation for 3, 9, and 15 h to obtain the optimized condition for particle ... sulphuric acid include titanium ore crushing, titanium ore acid leaching for ...
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Desulfurization and Regeneration Performance of Titanium Ore …
Abstract. In this study, the modified activated coke (AC-Tit) was prepared from coals using titanium ore by blending method with one-step carbonization-activation process. The results show that ...
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Mechanical activation and physicochemical …
Mechanically activated titanium concentrate can be used in a finely tuned combined metallurgical process to overcome the challenges and drawbacks in these technologies. Keywords. ilmenite, synthetic rutile, titanium metal, pyrometallurgy, hydrometallurgy, …
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Production of titanium tetrachloride (TiCl ) from …
The catalyst which is used for polymerization of olefins reduces the activation energy of ... The second important ore of titanium is ilmenite with theoretically 52.7% TiO 2 [1, 15]. However, the
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Review of functional titanium oxides. I: TiO2 and its …
About 95% of titanium ore is processed into titanium dioxide, which is the most widely used titanium product. The global TiO 2 market was valued at US$13.14 billion in 2013 and is anticipated to reach US$17.12 billion by 2020, with a market rise of 8.0 million tonnes annually.
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Metals | Free Full-Text | Thermodynamics and Kinetics Research of …
The growth in the production of titanium metal and its compounds leads to an increase in the amount of toxic waste. As a result, at the legislative level, emissions of such wastes are limited, which leads to a drop in the production of titanium-containing products and a shortage of titanium in the international market. This paper presents the …
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A sustainable sulfate process to produce TiO2 pigments
Abstract. Titanium dioxide (TiO2) is a widely used white pigment. TiO2 production in 2006 was about 1,400,000 metric tons in the USA. The two major processes to manufacture TiO2 are the chloride ...
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Mechanical activation and physicochemical factors …
Common titanium ore processing techniques, their fea tures, advantages, and drawbacks (Nurul, 2016; Zhang, Zhu, and Cheng, 2011) Process Pyro-treatment Leaching Advantages Disadvantages References
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Materials Today Communications
method include titanium ore crushing, chlorination, purification, oxidation, and post-treatment. Nowadays, acid titanium dioxide ac- ... chanically activate the titanium slag …
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Desulfurization and Regeneration Performance of …
Abstract. In this study, the modified activated coke (AC-Tit) was prepared from coals using titanium ore by the blending method with a one-step carbonization–activation …
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Simultaneous recovery of total iron and titanium from ilmenite ore …
The activation energy calculated from the experimental data was 39.09 kJ/mol, while the reaction order, Arrhenius constant and reaction constant of 0.24, 13.46 s− 1 and 2.21 ± 0.4 × 103 were ...
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The effect of mechanical activation duration on the …
To convert titanium slag to TiO 2 with maximum efficiency, mechanical activation is an important pretreatment step to control the particle size of the titanium …
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Study of titanium ore blended into activated carbon …
Study of titanium ore blended into activated carbon from walnut shell for desulfurization. Authors: J.-X. Guo. J.-F. Peng. J. Chen. H.-Q. Yin. Abstract. Titanium …
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Variable Surface Reactivity Model for Leaching Kinetics of …
Mechanical activation of ilmenite reveals significant improvement in leaching efficiency. 12,13,14,15 The five-order basic modified SCM with particle size distribution and semi-empirical Avrami-Erofeev kinetics models for activated ilmenite leaching were reported in the ... The SEM image of the titanium ore concentrate is shown in supplementary ...
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