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vanadium titanium extraction

Efficient Separation and Recovery of Vanadium(V) from ...

Hydrochloric acid leaching has been widely used in the recovery process of vanadium due to its efficient selectivity. It was necessary to further separate vanadium from hydrochloric acid leaching solution. Four extractants of P204, P507, Cyanex272, and N1923 were compared for extraction of vanadium from a simulated hydrochloric acid solution, and it is concluded that …

Vanadium : leaching and solvent extraction - UBC Library ...

The fundamental understanding of vanadium hydrometallurgy was developed in three phases: vanadium (V) leaching, vanadium (III) oxidative leaching, and solvent extraction of vanadium (V&IV). In the first section, V₂O₅ leaching was studied in three steps. First, vanadium leaching a

High-Efficiency Extraction of Fe, V, and Ti from Vanadium ...

Vanadium-containing titanium magnetite is the main source of V and Ti in the internal market. About 75% Fe, 82% V, and 44% Ti pass into iron concentrate during ore enrichment [].Therefore, the question of how to improve comprehensive utilization of vanadium-titanium magnetite concentrate (VTMC) is of decisive importance for the vanadium and titanium …

titanium processing | Technology, Methods, & Facts ...

titanium processing, the extraction of titanium from its ores and the preparation of titanium alloys or compounds for use in various products.. Titanium (Ti) is a soft, ductile, silvery gray metal with a melting point of 1,675 °C (3,047 °F). Owing to the formation on its surface of an oxide film that is relatively inert chemically, it has excellent corrosion resistance in most natural ...

Extraction of Vanadium from the Dust of Ore-Thermal ...

titanium slag for chlorination is proposed (Teterin et al., 2019). But this involves solving additional tasks to ensure JSC "UK TMP" manages the technological chain of titanium production from ilmenite concentrate to titanium the use of environmentally friendly solvents and the extraction of valuable c

Efficient Extraction of Vanadium from Vanadium–Titanium ...

In this paper, potassium salt roasting additives were applied to extract vanadium from vanadium–titanium magnetite concentrate. Meanwhile, the mechanisms of potassium salt roasting and acid leaching kinetics were …

Solvent extraction separation of vanadium(V) from ...

P Narayanan Remya, M Lakshmipathy Reddy, Solvent extraction separation of titanium(IV), vanadium(V) and iron(III) from simulated waste chloride liquors of titanium minerals processing industry by the trialkylphosphine oxide Cyanex 923, Journal of Chemical Technology & Biotechnology, 10.1002/jctb.1046, 79, 7, (734-741), (2004).

extraction of titanium - chemguide

Titanium extraction. The overall process. Titanium is extracted from its ore, rutile - TiO 2. It is first converted into titanium(IV) chloride, which is then reduced to titanium using either magnesium or sodium. Conversion of TiO 2 into TiCl 4. The ore rutile (impure titanium(IV) oxide) is heated with chlorine and coke at a temperature of about ...

A novel method for extracting vanadium by low …

Abstract: Long-term high temperature in conventional vanadium extraction process would cause particles to be sintered and wrapped, thus reducing extraction efficiency of vanadium. Based on the purpose of directional conversion and process intensification, this work proposed a combination of low temperature sodium roasting and high efficiency selective …

Extraction of iron and titanium from vanadium …

The iron had a purity of 99%. The slag contained between 9–35% FeO, 31–46% TiO2, and 1.2–1.6% V. Over 98% of the titanium and vanadium reported to …

Efficient Extraction of Vanadium from …

the vanadium extraction from the vanadium–titanium magnetite concentrate. At the same time, phase transformation analyses were conducted to reveal the mechanism by which potassium salt strengthens the vanadium extraction and the kinetics model was established to further explain the effect of potassium salt. 2. Experimental 2.1. Materials

- cqu.edu.cn

Abstract: There are still many utilization problems of vanadium in vanadium-titanium magnetite in our country. Especially for the low-grade ore, the traditional blast furnace-converter process has proved to be more difficult to realize the efficient extraction ...

Vanadium–Titanium Magnetite Concentrate

vanadium extraction from vanadium–titanium magnetite concentrate. 2. Experimental 2.1. Materials The vanadium–titanium magnetite ore used in the experiment was from Chao-yang, China. After crushing and grinding, the particle size of the ore was 0.074 mm, accounting for 65% of the total particle size.

NEW PROCESS OF EXTRACTING VANADIUM FROM

vanadium-titanium magnetite, oil ash, waste vanadium catalyst, bauxite and stone coal. In addition, 75% to 85% vanadium production was extracted from vanadium-titanium magnetite1,2. A well-known roast-leach process is employed in the production of V 2 O 5 and NH 4 VO 3 from vanadium-titanium magnetite. Vanadium-titanium magnetite ore is

Simultaneous extraction of vanadium and titanium from ...

The maximum for the vanadium and titanium extraction was obtained at a mass ratio of 8:1. The respective percentages were 75.60% and 65.45% for the raw vanadium slag, with a rapid increase to 91.44% and 77.43% for the water-quenched slag. Clearly, water quenching significantly increased the extraction by 16% for vanadium and 12% for titanium.

Efficient Extraction of Vanadium from Vanadium–Titanium ...

In this paper, potassium salt roasting additives were applied to extract vanadium from vanadium–titanium magnetite concentrate. Meanwhile, the mechanisms of …

Co-extraction of Vanadium Titanium and Chromium from ...

To co-extract vanadium, titanium, and chromium from vanadium slag, a cleaner process featuring oxalic acid hydrothermal leaching with synergy of Fe powder was proposed in this paper. With the leaching temperature of 125 °C, oxalic acid concentration of 25 wt pct, liquid-to-solid mass ratio of 8:1, leaching time of 90 minutes, and iron powder addition of 3.2 wt pct, …

(PDF) Extraction of Titanium and Vanadium by Chloride ...

The separation and recovery possibilities of vanadium(V) from other associated metal ions, viz magnesium(II), aluminium(III), titanium(IV), chromium(III), manganese(II) and iron(III), which are ...

Separation of Vanadium and Titanium Phase from the ...

grade of vanadium slag and recycle titanium resource before the vanadium wet extraction process. Thus, the comprehen-sive utilization of vanadium slag has been studied by many researchers during the vanadium extraction process, but the effects are limited.11–13,16,22–24) In addition, few reports on

Efficient Extraction of Vanadium from Vanadium–Titanium ...

the vanadium extraction from the vanadium–titanium magnetite concentrate. At the same time, phase transformation analyses were conducted to reveal the mechanism by which potassium salt.

Selective Extraction and Separation of Titanium from ...

Selective Extraction and Separation of Titanium from Vanadium Slag and Preparation of TiO 2 Shiyuan Liu, 1, 2 Xiaobo He, 3 Shun Wu, 1 Yahui Liu, 2 Lijun Wang, * 1 and Kuo-Chih Chou 3 1 Collaborative Innovation Center of Steel Technology, University of Science and Technology Beijing, Beijing 100083, P. R. China

Minerals | Free Full-Text | Mechanism of Novel ... - MDPI

In this paper, a novel K2SO4/KCl composite roasting additive was used to extract vanadium from vanadium–titanium magnetite concentrate. Further, the mechanism of K2SO4/KCl for extracting vanadium was studied. The results …

Vanadium extraction from vanadium removal tailings of …

Vanadium extraction from vanadium removal tailings of crude titanium tetrachloride organic refining Zhaohui SUN 1,2*, Ming LI 1,2, Guanjin GAO 1,2, Liang LI 1,2 1., 617000 2. ...

New understanding of extraction and separation of …

When the pH reached 1.8, the extraction rates of vanadium, titanium and iron no longer significantly increased, which were 94.21%, 5.32% and 3.45% respectively. As seen in northwest of Fig. 11, with the rose of the phase ratio (O/A), the extraction rate of metal ions was continuously increasing, however, a higher O/A would also cause more ...

Selective Extraction and Separation of Titanium from ...

The extraction of vanadium and titanium were 91% and 77%, respectively, after roasting at an AS-to-vanadium slag mass ratio of 4:1 and 370 °C followed …