Enhancing Methane Aromatization Performance by Reducing the Particle Size of Molybdenum Oxide
Abstract
:1. Introduction
2. Materials and Methods
2.1. Catalyst Preparation
2.1.1. Synthesis of MoO3 Nanoparticles
2.1.2. Synthesis of HMCM-49 Zeolites
2.1.3. Synthesis of Mo/HMCM-49
2.2. Catalyst Characterization
2.3. Catalytic Test
3. Result and Discussion
3.1. MDA Tests
3.2. XRD Characterization
3.3. SEM Characterization
3.4. TEM Characterization
3.5. N2 Adsorption-Desorption Characterization
3.6. Acidity Characterization
3.7. Thermogravimetric Analysis of the Catalysts After Reactions
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Catalyst | Time (min) | Conversion (%) | Selectivity (%) | Aromatics Yield | |||
---|---|---|---|---|---|---|---|
Benzene | Toluene | Naphthalene | Coke | ||||
6Mo(C)-MCM-49 | 130 | 12.1 | 54.5 | 4.0 | 4.1 | 37.4 | 7.6 |
580 | 9.6 | 55.2 | 4.1 | 4.1 | 36.6 | 6.1 | |
6Mo(N)-MCM-49 | 130 | 13.2 | 59.8 | 4.5 | 5.3 | 30.4 | 9.1 |
580 | 11.0 | 61.8 | 4.5 | 4.0 | 29.7 | 7.7 |
Sample | Surface Area (m2/g) | Micropore Area (m2/g) | Micropore Volume (cm3/g) |
---|---|---|---|
HMCM-49 | 482 | 353 | 0.16 |
6Mo(C)-HMCM-49 | 404 | 270 | 0.12 |
2Mo(N)-HMCM-49 | 469 | 337 | 0.15 |
4Mo(N)-HMCM-49 | 404 | 280 | 0.13 |
6Mo(N)-HMCM-49 | 379 | 263 | 0.12 |
8Mo(N)-HMCM-49 | 367 | 275 | 0.12 |
Samples | Peak (L) | Peak (M) | Peak (H) | |||
---|---|---|---|---|---|---|
Peak Temp (°C) | Area Unit | Peak Temp (°C) | Area Unit | Peak Temp (°C) | Area Unit | |
HMCM-49 | 228 | 445 | 416 | 627 | ||
6Mo(N)-HMCM-49 | 223 | 315 | 277 | 175 | 414 | 325 |
6Mo(C)-HMCM-49 | 231 | 338 | 287 | 198 | 424 | 412 |
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Hu, J.; Liu, J.; Liu, J.; Li, Y.; Li, P.; Wang, Y.; Guan, J.; Kan, Q. Enhancing Methane Aromatization Performance by Reducing the Particle Size of Molybdenum Oxide. Nanomaterials 2020, 10, 1991. https://doi.org/10.3390/nano10101991
Hu J, Liu J, Liu J, Li Y, Li P, Wang Y, Guan J, Kan Q. Enhancing Methane Aromatization Performance by Reducing the Particle Size of Molybdenum Oxide. Nanomaterials. 2020; 10(10):1991. https://doi.org/10.3390/nano10101991
Chicago/Turabian StyleHu, Jing, Jinghai Liu, Jinglin Liu, Yangyang Li, Peihe Li, Yin Wang, Jingqi Guan, and Qiubin Kan. 2020. "Enhancing Methane Aromatization Performance by Reducing the Particle Size of Molybdenum Oxide" Nanomaterials 10, no. 10: 1991. https://doi.org/10.3390/nano10101991