Structure and Phase Changes of Nickel Slag in Oxidation Treatment
Abstract
:1. Introduction
2. Materials and Methods
2.1. Experimental Materials
2.2. Phase Structure Characterization
3. Results
3.1. Change in Fe Oxidation Rate in Oxidation
3.2. Phase Change in Oxidation
3.3. Microstructure Change in Nickel Slag in Oxidation
3.4. Crystal Structure Behavior during Oxidation in Nickel Slag
3.5. Mechanism Analysis
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Components | TFe | FeO | SiO2 | MgO | Al2O3 | CaO | Ni | Cu | Co | S |
wt. % | 39.40 | 49.68 | 32.50 | 9.70 | 2.30 | 1.20 | 0.455 | 0.338 | 0.144 | 0.868 |
Temperature | a/Å | Error/± | b/Å | Error/± | c/Å | Error/± | Volume/Å3 |
---|---|---|---|---|---|---|---|
400 °C | 5.0342 | 0.0055 | 5.0342 | 0.0036 | 13.7483 | 0.0012 | 301.75 |
500 °C | 5.0330 | 0.0046 | 5.0330 | 0.0056 | 13.7396 | 0.0034 | 301.41 |
700 °C | 5.0206 | 0.0082 | 5.0206 | 0.0062 | 13.7196 | 0.0011 | 299.49 |
900 °C | 5.0065 | 0.0043 | 5.0065 | 0.0026 | 13.6411 | 0.0026 | 296.11 |
1000 °C | 5.0142 | 0.0085 | 5.0142 | 0.0024 | 13.6733 | 0.0016 | 297.72 |
ideal unit cell size | 5.0160 | - | 5.0160 | - | 13.6520 | - | 297.52 |
Temperature | a/Å | Error/± | b/Å | Error/± | c/Å | Error/± | Volume/Å3 |
---|---|---|---|---|---|---|---|
Raw | 5.7012 | 0.0030 | 10.3312 | 0.0028 | 4.7628 | 0.0046 | 302.59 |
300 °C | 6.0797 | 0.0018 | 10.4601 | 0.0028 | 4.8152 | 0.0011 | 306.23 |
400 °C | 6.0830 | 0.0012 | 10.4583 | 0.0018 | 4.8162 | 0.0007 | 306.40 |
500 °C | 6.1147 | 0.0047 | 10.4716 | 0.0055 | 4.8265 | 0.0025 | 309.03 |
ideal unit cell size | 5.7060 | - | 10.3120 | - | 4.7620 | - | 301.70 |
Temperature | a/Å | Error/± | b/Å | Error/± | c/Å | Error/± | Volume/Å3 |
---|---|---|---|---|---|---|---|
700 °C | 5.6972 | 0.0042 | 11.5185 | 0.0082 | 8.2440 | 0.0084 | 540.99 |
900 °C | 5.6939 | 0.0032 | 11.4198 | 0.0268 | 8.2973 | 0.0142 | 539.53 |
1000 °C | 5.6816 | 0.0056 | 11.4031 | 0.0198 | 8.2068 | 0.0204 | 538.72 |
ideal unit cell size | 5.6960 | - | 11.4440 | - | 8.2481 | - | 537.65 |
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Li, X.; Zhang, X.; Zang, X.; Xing, X. Structure and Phase Changes of Nickel Slag in Oxidation Treatment. Minerals 2020, 10, 313. https://doi.org/10.3390/min10040313
Li X, Zhang X, Zang X, Xing X. Structure and Phase Changes of Nickel Slag in Oxidation Treatment. Minerals. 2020; 10(4):313. https://doi.org/10.3390/min10040313
Chicago/Turabian StyleLi, Xiaoming, Xinyi Zhang, Xuyuan Zang, and Xiangdong Xing. 2020. "Structure and Phase Changes of Nickel Slag in Oxidation Treatment" Minerals 10, no. 4: 313. https://doi.org/10.3390/min10040313