The Manufacture of Synthetic Rutile by Solvent Extraction of Tri-Alkyl Phosphine Oxide from HCl Leaching Solution of Soda-Roasted Ilmenite Ore
Abstract
:1. Introduction
2. Materials and Methods
2.1. Reagents
2.2. Procedure
2.2.1. Preparation of Feed Solution for Solvent Extraction of Ti
2.2.2. Solvent Extraction Experiment
2.2.3. Hydrolysis
3. Results and Discussions
3.1. Effect of Diluents on Extraction of Ti by Cyanex 923
3.2. Extraction of O/A Ratio
3.3. Effect of Stripping Solution for Selective Recovery of Ti
3.4. Stripping of O/A Ratio
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Element | Ti | Si | Nb | Fe | Zr |
---|---|---|---|---|---|
Feed solution | 32,050 | 110 | 88 | 2614 | 130 |
Cyanex 923, M | 0.1 | 0.3 | 0.5 | 0.7 | 1 |
---|---|---|---|---|---|
Kerosene | 440 | 1540 | 1900 | 2200 | - |
Xylene | - | 3060 | 4950 | 5490 | 6870 |
O/A | Element | Ti | Si | Nb | Fe | Zr |
---|---|---|---|---|---|---|
3 | 1 stage | 26,700 | 109 | 84 | 4 | 2 |
2 stage | 11,200 | 104 | 82 | N.D | N.D | |
3 stage | 1160 | 102 | 81 | N.D | N.D | |
4 stage | 130 | 101 | 80 | N.D | N.D | |
5 | 1 stage | 6250 | 107 | 81 | 11 | 5 |
2 stage | 420 | 102 | 72 | N.D | N.D |
Stripping Solution | Ti | Si | Nb | Zr | Fe |
---|---|---|---|---|---|
Distilled water 1st | 12,460 | 1.189 | 2.9 | N.D | 2.77 |
Distilled water 2nd | 5100 | 0.19 | 2.6 | N.D | 240 |
0.1 M HCl 1st | 12,190 | 1.26 | 2.9 | N.D | 2.09 |
0.1 M HCl 2nd | 5190 | 0.19 | 2.9 | N.D | 108 |
0.5 M HCl 1st | 11,230 | 1.25 | 2.8 | N.D | 1.9 |
0.5 M HCl 2nd | 5015 | 0.3 | 0 | N.D | 7.94 |
1 M HCl 1st | 10,320 | 0.9 | 2.8 | N.D | N.D |
1 M HCl 2nd | 5000 | 0.1 | 2.9 | N.D | N.D |
0.1 M NaCl 1st | 8411 | 0.8 | 2.8 | N.D | 2.5 |
0.5 M NaCl 1st | 6506 | 0.8 | 2.4 | N.D | 2.5 |
1 M NaCl 1st | 4511 | 1.1 | 2.4 | N.D | 2.4 |
1 M NaCl 2nd | 4667 | 0.4 | 2.1 | N.D | 2.6 |
Theoretical metal ion in the loaded organic phase | 10,640 | 3 | 3 | 42 | 871 |
O/A | Element | Ti | Si | Nb | Fe | Zr |
---|---|---|---|---|---|---|
2 (Counter current stripping) | 1 stage | 13,040 | 3.2 | 2.7 | N.D | N.D |
2 stage | 7950 | 1.0 | N.D | N.D | N.D | |
3 stage | 5400 | N.D | N.D | N.D | N.D | |
4 stage | 3120 | N.D | N.D | N.D | N.D | |
1 (Cross stripping) | 1 st | 2690 | N.D | N.D | N.D | N.D |
2 nd | 490 | N.D | N.D | N.D | N.D |
Element | Ti(TiO2) | Si(SiO2) | Nb | Fe | Zr | Na | Al | Mg | Mn | Ca | V |
---|---|---|---|---|---|---|---|---|---|---|---|
Purity of TiO2 | 99.9 | 0.03 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. |
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Joo, S.-H.; Shin, D.J.; Lee, D.; Kang, J.; Kim, M.-s.; Jeon, H.; Park, J.-T.; Shin, S.M. The Manufacture of Synthetic Rutile by Solvent Extraction of Tri-Alkyl Phosphine Oxide from HCl Leaching Solution of Soda-Roasted Ilmenite Ore. Metals 2020, 10, 588. https://doi.org/10.3390/met10050588
Joo S-H, Shin DJ, Lee D, Kang J, Kim M-s, Jeon H, Park J-T, Shin SM. The Manufacture of Synthetic Rutile by Solvent Extraction of Tri-Alkyl Phosphine Oxide from HCl Leaching Solution of Soda-Roasted Ilmenite Ore. Metals. 2020; 10(5):588. https://doi.org/10.3390/met10050588
Chicago/Turabian StyleJoo, Sung-Ho, Dong Ju Shin, Dongseok Lee, Jungshin Kang, Min-seuk Kim, Hoseok Jeon, Jin-Tae Park, and Shun Myung Shin. 2020. "The Manufacture of Synthetic Rutile by Solvent Extraction of Tri-Alkyl Phosphine Oxide from HCl Leaching Solution of Soda-Roasted Ilmenite Ore" Metals 10, no. 5: 588. https://doi.org/10.3390/met10050588