Mechanism of Melt Separation in Preparation of Low-Oxygen High Titanium Ferroalloy Prepared by Multistage and Deep Reduction
Abstract
:1. Introduction
2. Experimental Part
3. Results and Discussion
3.1. Characteristics of Slags
3.2. SEM Images and EDS Analysis
3.3. Phase of Alloys
3.4. Oxygen Content and Chemical Composition Analysis
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Raw Material | TiO2 | TFe | Al2O3 | SiO2 | CaO | MgO | Others |
---|---|---|---|---|---|---|---|
High-Titanium Slag | 86.03 | 2.40 | 3.30 | 5.60 | 0.17 | 0.98 | Bal. |
Iron Concentrate | - | 63.07 | 2.71 | 3.40 | 0.54 | 0.45 | Bal. |
Number | Separation Time | Al2O3 | CaO | TiO2 | CaF2 | SiO2 | MgO | Fe2O3 | Others |
---|---|---|---|---|---|---|---|---|---|
1 | 30 min | 12.01 | 0.64 | 67.03 | - | 4.54 | 0.03 | 13.39 | Bal. |
2 | 60 min | 12.56 | 0.14 | 67.41 | - | 3.96 | 0.01 | 13.57 | Bal. |
3 | 90 min | 12.94 | 0.56 | 65.97 | - | 4.04 | 0.07 | 14.38 | Bal. |
4 | 30 min | 49.76 | 33.31 | 7.69 | 4.32 | 0.94 | 0.54 | 0.33 | Bal. |
5 | 60 min | 52.09 | 31.06 | 5.82 | 5.5 | 0.81 | 0.50 | 0.2 | Bal. |
6 | 90 min | 53.17 | 28.15 | 6.81 | 5.48 | 1.24 | 0.86 | 0.27 | Bal. |
Region | Ti | Fe | Al | Si | O |
---|---|---|---|---|---|
1 | 81.69 | 2.14 | 0.78 | - | 15.39 |
2 | - | - | 59.5 | - | 40.5 |
3 | 59.88 | 20.74 | 7.94 | 1.73 | 9.71 |
4 | 53.24 | 32.52 | 3.47 | 2.59 | 8.18 |
5 | 84.5 | - | - | - | 15.5 |
6 | - | - | 58.3 | - | 41.7 |
7 | 55.42 | 28.49 | 5.66 | 2.89 | 7.54 |
8 | 82.15 | - | - | - | 17.85 |
9 | - | - | 61.88 | - | 38.12 |
10 | 42.59 | 40.25 | 11.64 | 3.18 | 2.34 |
11 | 54.88 | 27.43 | 5.71 | 5.38 | 6.6 |
12 | 97.28 | - | - | - | 2.72 |
13 | 43.31 | 40.72 | 11.2 | 3.37 | 1.4 |
14 | 55.61 | 24.7 | 7.89 | 5.43 | 6.37 |
15 | 98.34 | - | - | - | 1.66 |
16 | 44.55 | 43.12 | 8.48 | 2.73 | 1.12 |
17 | 79.42 | 7.67 | 4.26 | 6.65 | 2 |
Number | Melt Separation Time | Ti | Al | Si | O | Fe |
---|---|---|---|---|---|---|
1 | - | 51.04 | 10.38 | 5.65 | 9.36 | Bal. |
2 | 30 min | 61.20 | 7.24 | 5.26 | 5.89 | Bal. |
3 | 60 min | 62.06 | 6.68 | 5.47 | 4.65 | Bal. |
4 | 90 min | 62.12 | 6.52 | 5.36 | 4.54 | Bal. |
5 | 30 min | 66.72 | 4.56 | 5.08 | 1.75 | Bal. |
6 | 60 min | 67.76 | 4.26 | 4.64 | 1.55 | Bal. |
7 | 90 min | 68.24 | 4.24 | 4.86 | 1.56 | Bal. |
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Cheng, C.; Dou, Z.; Zhang, T. Mechanism of Melt Separation in Preparation of Low-Oxygen High Titanium Ferroalloy Prepared by Multistage and Deep Reduction. Metals 2020, 10, 309. https://doi.org/10.3390/met10030309
Cheng C, Dou Z, Zhang T. Mechanism of Melt Separation in Preparation of Low-Oxygen High Titanium Ferroalloy Prepared by Multistage and Deep Reduction. Metals. 2020; 10(3):309. https://doi.org/10.3390/met10030309
Chicago/Turabian StyleCheng, Chu, Zhihe Dou, and Tingan Zhang. 2020. "Mechanism of Melt Separation in Preparation of Low-Oxygen High Titanium Ferroalloy Prepared by Multistage and Deep Reduction" Metals 10, no. 3: 309. https://doi.org/10.3390/met10030309