Kinetic Studies on Gas-Based Reduction of Vanadium Titano-Magnetite Pellet
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preparation of Oxidized VTM Pellets
2.2. Experimental Measurements
2.3. Reduction Kinetics Analysis
2.4. Characterization
3. Results and Discussion
3.1. Reduction Temperature
3.2. Gas Composition
3.3. Pellet Size
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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TFe | FeO | TiO2 | SiO2 | Al2O3 | MgO | CaO | V2O5 | MnO | S |
---|---|---|---|---|---|---|---|---|---|
45.50 | 0.59 | 13.40 | 8.42 | 6.54 | 3.28 | 1.40 | 0.54 | 0.32 | 0.037 |
Temperature | 973 K | 1073 K | 1173 K | 1273 K | 1373 K |
---|---|---|---|---|---|
Intrinsic Chemical Reaction Control | 0.00156 | 0.00224 | 0.00302 | 0.00469 | 0.00717 |
Diffusion Control | 1.34 × 10−5 | 3.88 × 10−5 | 6.15 × 10−5 | 2.13 × 10−4 | 3.70 × 10−4 |
Pellets Diameter | 6–8 mm | 8–10 mm | 10–12 mm | 12–14 mm | 14–16 mm |
---|---|---|---|---|---|
Intrinsic Chemical Reaction Control | 0.00694 | 0.0057 | 0.00469 | 0.00423 | 0.00405 |
Diffusion Control | 1.66 × 10−3 | 6.35 × 10−4 | 2.12 × 10−4 | 1.58 × 10−4 | 7.64 × 10−5 |
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Chen, J.; Chen, W.; Mi, L.; Jiao, Y.; Wang, X. Kinetic Studies on Gas-Based Reduction of Vanadium Titano-Magnetite Pellet. Metals 2019, 9, 95. https://doi.org/10.3390/met9010095
Chen J, Chen W, Mi L, Jiao Y, Wang X. Kinetic Studies on Gas-Based Reduction of Vanadium Titano-Magnetite Pellet. Metals. 2019; 9(1):95. https://doi.org/10.3390/met9010095
Chicago/Turabian StyleChen, Junwei, Weibin Chen, Liang Mi, Yang Jiao, and Xidong Wang. 2019. "Kinetic Studies on Gas-Based Reduction of Vanadium Titano-Magnetite Pellet" Metals 9, no. 1: 95. https://doi.org/10.3390/met9010095