Effect of TiO2 Calcination Pretreatment on the Performance of Pt/TiO2 Catalyst for CO Oxidation
Abstract
:1. Introduction
2. Experiments
2.1. TiO2 Pretreatment
2.2. Catalyst Preparation
2.3. Catalyst Characterization
2.4. Catalytic Testing
3. Results and Discussion
3.1. Catalytic Performance
3.2. Catalyst Characterization
3.2.1. BET
3.2.2. XRD
3.2.3. SEM
3.2.4. XPS
3.2.5. CO Chemisorption Experiments
3.2.6. CO-TPD
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Sample Availability
References
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Catalyst | BET Surface Area m2·g−1 | Pore Volume cm3·g−1 | Pore Size nm |
---|---|---|---|
Pt/TiO2 | 78.78 | 0.363 | 17.0 |
Pt/TiO2 (700 °C) | 15.76 | 0.155 | 42.9 |
Pt/TiO2-SH | 76.50 | 0.354 | 15.1 |
Pt/TiO2 (700 °C)-SH | 15.21 | 0.151 | 41.9 |
Catalyst | ||
---|---|---|
Pt/TiO2 | 0.206 | / |
Pt/TiO2 (700 °C) | 0.295 | / |
Pt/TiO2-SH | / | 0.369 |
Pt/TiO2 (700 °C)-SH | / | 0.669 |
Catalyst | Platinum Dispersion % | Platinum Particle Size nm | Platinum Surface Area m2·g−1 |
---|---|---|---|
Pt/TiO2 | 52.44 | 18.01 | 0.26 |
Pt/TiO2 (700 °C) | 60.27 | 15.67 | 0.92 |
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Cai, J.; Yu, Z.; Fan, X.; Li, J. Effect of TiO2 Calcination Pretreatment on the Performance of Pt/TiO2 Catalyst for CO Oxidation. Molecules 2022, 27, 3875. https://doi.org/10.3390/molecules27123875
Cai J, Yu Z, Fan X, Li J. Effect of TiO2 Calcination Pretreatment on the Performance of Pt/TiO2 Catalyst for CO Oxidation. Molecules. 2022; 27(12):3875. https://doi.org/10.3390/molecules27123875
Chicago/Turabian StyleCai, Jianyu, Zehui Yu, Xing Fan, and Jian Li. 2022. "Effect of TiO2 Calcination Pretreatment on the Performance of Pt/TiO2 Catalyst for CO Oxidation" Molecules 27, no. 12: 3875. https://doi.org/10.3390/molecules27123875