Acid Modification of the Unsupported NiMo Catalysts by Y-Zeolite Nanoclusters
Abstract
:1. Introduction
2. Experimental
2.1. Synthesis of Unsupported NiMo Catalysts
2.2. Synthesis of Y-Zeolite Nanoclusters
2.3. Synthesis of Unsupported NiMo Catalysts Modified by Y-Zeolite Nanoclusters
2.4. Characterization of Catalysts
2.5. Catalytic Activity Evaluation
3. Results and Discussion
3.1. Characterization of Y-Zeolite Nanoclusters
3.2. Characterization of the Modified Unsupported NiMo Catalysts
3.3. Catalytic Performance
3.4. The Action Mechanism of Y-Zeolite Nanoclusters
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Samples | SBET a/m2·g−1 | Vp b/cm3·g−1 | Dp c/nm |
---|---|---|---|
NiMo-1.5 | 67 | 0.09 | 3.99 |
Y-zeolite nanoclusters | 577 | 0.13 | 2.75 |
Y-NiMo-10h | 131 | 0.20 | 4.66 |
Y-NiMo-24h | 126 | 0.17 | 4.10 |
Y-NiMo-36h | 137 | 0.20 | 4.45 |
Y-NiMo-60h | 158 | 0.21 | 4.04 |
Y-NiMo-72h | 176 | 0.20 | 3.65 |
Samples | L (1447 cm−1) | B (1540 cm−1) | L + B(1490 cm−1) |
---|---|---|---|
Y-36h | 0.357 | 0.113 | 0.295 |
Y-72h | 0.157 | 0.227 | 0.260 |
NiMo-1.5 | 0.137 | 0 | 0.083 |
Y-NiMo-10h | 0.390 | 0 | 0.132 |
Y-NiMo-24h | 0.302 | 0 | 0.101 |
Y-NiMo-36h | 0.305 | 0 | 0.105 |
Y-NiMo-60h | 0.382 | 0 | 0.104 |
Y-NiMo-72h | 0.342 | 0 | 0.117 |
Samples | 100–300 °C | 300–400 °C | 400–550 °C |
---|---|---|---|
NiMo-1.5 | 61.034 | 23.269 | 15.697 |
Y-NiMo-10h | 144.208 | 46.715 | 43.576 |
Y-NiMo-24h | 134.164 | 41.182 | 31.856 |
Y-NiMo-36h | 156.233 | 46.907 | 37.488 |
Y-NiMo-60h | 160.110 | 47.368 | 42.105 |
Y-NiMo-72h | 149.215 | 47.091 | 45.245 |
Samples | DBT a | BP b | CHB c | BCH d | DHP e |
---|---|---|---|---|---|
NiMo-1.5 | 0 | 4.1 | 12.9 | 23.2 | 59.8 |
Y-NiMo-10h | 0 | 18.0 | 38.0 | 15.2 | 28.9 |
Y-NiMo-24h | 0 | 7.4 | 26.1 | 18.7 | 47.8 |
Y-NiMo-36h | 3.7 | 17.3 | 33.0 | 14.0 | 31.9 |
Y-NiMo-60h | 4.8 | 13.6 | 25.1 | 16.0 | 40.5 |
Y-NiMo-72h | 4.2 | 6.6 | 28.9 | 18.8 | 41.5 |
Samples | LA/nm | NA | fMo |
---|---|---|---|
NiMo-1.5 | 10.2 | 5.4 | 0.11 |
Y-NiMo-10h | 9.9 | 4.5 | 0.12 |
Y-NiMo-24h | 9.1 | 5.2 | 0.13 |
Y-NiMo-36h | 10.8 | 3.8 | 0.11 |
Y-NiMo-60h | 10.5 | 4.0 | 0.12 |
Y-NiMo-72h | 10.7 | 3.7 | 0.11 |
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Dong, C.; Yin, C.; Wu, T.; Wu, Z.; Liu, D.; Liu, C. Acid Modification of the Unsupported NiMo Catalysts by Y-Zeolite Nanoclusters. Crystals 2019, 9, 344. https://doi.org/10.3390/cryst9070344
Dong C, Yin C, Wu T, Wu Z, Liu D, Liu C. Acid Modification of the Unsupported NiMo Catalysts by Y-Zeolite Nanoclusters. Crystals. 2019; 9(7):344. https://doi.org/10.3390/cryst9070344
Chicago/Turabian StyleDong, Chengwu, Changlong Yin, Tongtong Wu, Zhuyan Wu, Dong Liu, and Chenguang Liu. 2019. "Acid Modification of the Unsupported NiMo Catalysts by Y-Zeolite Nanoclusters" Crystals 9, no. 7: 344. https://doi.org/10.3390/cryst9070344