Preparation of TiO2 from ilmenite using sulfuric acid …
In the sulfate process, the ilmenite ore is dissolved in sulfuric acid solution to prepare titanium sulfate solution. This solution is further purified and hydrolyzed to …
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The titanium extraction process from ilmenite uses the caustic fusion method followed by water leaching and acid leaching because it has the advantage of being able to produce high levels of TiO 2. The results of [15–19] research showed that by conducting caustic fusion, 92% of titanium could be
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Titanyl sulfate extracted from the mineral ilmenite as …
Titanyl sulfate (TiOSO 4) extracted with sulfuric acid from the mineral ilmenite (FeTiO 3), which has a high content of titanium (32.2 wt.%) was study as acid solid catalyst for the oleic acid esterification. The maximum extraction of Ti was 98 wt.%.As reference catalysts sulfated titania (SO 4 2-– TiO 2) and titania (TiO 2) were …
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Methods of Extracting TiO2 and Other Related Compounds from Ilmenite
First, the finely ground ore material is collapsed with a 20% (v/v) HCl solution at 70 C, where 94.6% of the entire titanium content in ilmenite has been successfully extracted into the leachant after a 3 h extraction. The composition of the ilmenite leachant has been found to be 36.4 g/L and 23.0 g/L for iron and titanium, respectively.
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Beneficiation of titania by sulfuric acid pressure leaching of
The beneficiation of titania (TiO 2) by sulfuric acid (H 2 SO 4) pressure leaching of Panzhihua ilmenite was investigated.The reaction temperature, H 2 SO 4 concentration, and concentration of ferrous ions (Fe 2 +) had significant effects on the enrichment of TiO 2.With increasing reaction temperatures, the dissolution of iron from …
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Study of Titanium Dioxide (TiO2) Extraction Process …
Therefore, in this study, the synthesis of TiO 2 from ilmenite Banten using caustic fusion, acid leaching using hydrochloric acid, and the use of citric acid were …
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Optimized Ilmenite Leachate by Wet Mechanical Activation …
The extraction of ilmenite minerals using the sulfate route is one of the commercial methods for producing titanium dioxide (TiO2) materials. The sulfate process requires a high concentration of sulfuric acid to achieve high extraction yield of titanium. However, this process also results in the generation of high amounts of sulfuric acid …
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A Review on the Recovery of Titanium Dioxide from …
Either HCl leaching followed by solvent extraction or alkaline leaching followed by hydrolysis-calcination is recommended for the production of pure TiO 2 from …
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Iron Extraction from South African Ilmenite Concentrate …
The results showed that ilmenite with the particle size distribution of +150 µm yielded better efficiencies when leaching was performed with an acid concentration of 7.5 M and a solid-to-acid ...
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Titanyl sulfate extracted from the mineral ilmenite as …
Titanyl sulfate (TiOSO 4) extracted with sulfuric acid from the mineral ilmenite (FeTiO 3 ), which has a high content of titanium (32.2 wt.%) was study as acid …
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Solvent extraction of titanium(IV) from sulfuric acid …
Semantic Scholar extracted view of "Solvent extraction of titanium(IV) from sulfuric acid solution with Cyanex923 and its application in leach liquor of red mud" by Dan Zou et al. ... Solvent extraction of titanium from ilmenite hydrochloric acid leachate: Optimization and investigation of extraction reactions of all contained metal ions ...
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(PDF) Simultaneous recovery of total iron and titanium from ilmenite
An extraction efficiency of 97% total titanium was obtained by 1.5 M TBP in kerosene from initial 10g/L ilmenite leach liquor at 25 ± 2 o C in a single extraction stage.
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Solvent extraction of titanium from ilmenite hydrochloric acid …
The selective recoveries of titanium(IV) and iron(III) from the synthetic hydrochloric acid leach liquor of ilmenite, i.e., 1.8–11 M (1 M=1 mol dm−3) hydrochloric acid solutions containing 0. ...
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Study of Titanium Dioxide (TiO 2 ) Extraction Process from Ilmenite …
While the chloride process requires high-grade raw materials and requires chlorine gas. Therefore, in this study, the synthesis of TiO 2 from ilmenite Banten using caustic fusion, acid leaching ...
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A brief introduction to production of titanium dioxide and titanium …
Sulfate/sulfuric acid leaching is often utilized on raw materials that contain high levels of iron such as commonly occur in typical ilmenite-based feedstock, which are generally a mixture of titanium dioxide, ferrous and ferric oxides, and a variety of other impurities such as chromium, vanadium, manganese, calcium, magnesium, aluminum, …
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Microwave Assisted Dissolution of Sri Lankan Ilmenite: Extraction …
The kinetics of the leaching of titanium and iron from Sri Lankan ilmenite in a sulphuric acid medium heated by microwave energy is studied. The effects of the concentration of sulphuric acid ...
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Leaching of ilmenite to produce titanium based …
Sulfuric acid causes less corrosion and can extract titanium from low grade titanium sources, although it generates a high amount of solid and acid waste. Leaching in weak acids like citric acid requires low acid concentration. This process extracts more …
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Mechanism and kinetics study of sulfuric acid leaching of titanium …
The sulfuric acid leaching process is a mature Ti dioxide process to extract Ti from TEFS with a high Ti grade that was produced from ilmenite, while others are at the stage of laboratory research [21]. Therefore, it is necessary to research the performance and kinetics of sulfuric acid leaching of Ti from TEFS with a low Ti grade.
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Minerals, slags, and other feedstock for the production of titanium
Upgraded slag or UGS is produced by high-pressure acid leaching of sulfate slag. ... and flotation, so as to extract fine ilmenite concentrate containing about 47% wt. TiO 2 [15]. Nonetheless, because titanium is dispersed in fine-grained mineral phases containing Ca, Mg, Al, Si, and other impurities, the recovery of titanium in the ilmenite ...
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Ilmenite
Extraction of vanadium from titanoferrous magnetite: mineral processing and enrichment methods. In Vanadium, 2021. 4.2.5 Ilmenite. Granular ilmenite is the main mineral used for the recovery of titanium. Granular ilmenite is often associated with titanomagnetite, or distributed in silicate mineral grains, and forms via automorphism and semiautomorphism …
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Production of synthetic rutile from tin ore beneficiation …
through pre-oxidation and reductive leaching of pre-oxidized ilmenite in hydrochloric acid. ... of 98.07% with co-extraction of titanium of 11.35%. ... namely the sulphate and chloride process. e ...
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Solvent extraction of titanium from the simulated ilmenite …
DOI: 10.1016/J.HYDROMET.2011.12.023 Corpus ID: 96147564; Solvent extraction of titanium from the simulated ilmenite sulfuric acid leachate by trialkylphosphine oxide @article{Hao2012SolventEO, title={Solvent extraction of titanium from the simulated ilmenite sulfuric acid leachate by trialkylphosphine oxide}, author={Xiaoli Hao and Li …
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Methods of Extracting TiO2 and Other Related …
In the industrial production of TiO2, the sulphate process and chloride process are the two common methods utilized for extracting TiO2 from ilmenite and rutile, respectively. 2.1. Sulphate Process Statistical data reveal that 98% of manufacturers in China use the sulphate process for the production of TiO2 [33].
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Possibilities of Titanium and Iron Extraction from Ilmenite
Possibilities of Titanium and Iron Extraction from Ilmenite-Titanomagnetite Ores of Sikhote-Alin (Russia) Published: 18 January 2024; Volume 2023, pages 1305–1308, (2023) ... ammonium sulfate (NH 4) and concentrated nitric acid HNO 3, each belonging to "chemically pure" grade. The previously mentioned components were mi) in various …
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A Novel Approach for Separation and Recovery of …
tion of titanium from the sulfuric acid solution containing titanium with D2EHPA (P204). After two-stage countercur - rent extraction, more than 99% of titanium can be recovered. Although titanium can be extracted from acidic wastewater by solvent extraction, it is not economical to extract titanium due to its low concentration.
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From trace to pure: Recovery of scandium from the waste acid …
1. Introduction. In the sulphate production process for titanium pigment, titanium is leached from the ilmenite and/or titanium slag using sulphuric acid (Zhang et al., 2011).The hydrolysis "mother" liquor discharged from the production of titanium pigment is usually called titanium white waste acid (abbreviated as waste acid) in China …
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Methods of Extracting TiO2 and Other Related …
Abstract: Although ilmenite and rutile are extensively used to extract TiO2 at the industrial level, through the sulphate and chloride processes, they can also be recognized to …
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Selective precipitation study for the separation of iron and titanium …
It is crucial to selectively remove iron impurities during the titanium production process. The present study investigated the acid and flux fusion digestion techniques for complete dissolution of ilmenite and subsequent separation of iron and titanium by precipitation process. Analytical results indicated that the Na 2 HPO 4 /NaH 2 PO 4· H 2 ...
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Simultaneous oxidation and extraction of iron from simulated ilmenite …
1. Introduction. Titanium dioxide is the most important white pigment as well as photo- and bio-activity catalysts with comprehensive application prospects (Alapi et al., 2006, Anpo and Thomas, 2006).The commercial routes for TiO 2 production consist of the sulfate and chloride processes.. The sulfate process can directly use low grade …
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Solvent extraction of titanium from the simulated ilmenite …
A simulated ilmenite leach liquor containing~78 g/L Ti,~35 g/L Fe and~90 g/L sulphuric acid was extracted with Cyanex 923 (a mixture of C 6 and C 8 trialkylphosphine oxides) in kerosene giving 78. ...
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