Highly Dispersed Nickel Nanoparticles on Hierarchically Ordered Macroporous Al2O3 and Its Catalytic Performance for Steam Reforming of 1-Methyl Naphthalene
Abstract
:1. Introduction
2. Results and Discussion
2.1. Catalytic Characteristics
2.2. Catalytic Activity
3. Materials and Methods
3.1. Catalyst Preparation
3.2. Characterization
3.3. Reaction Test
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Catalysts | Surface Area (m2/g) | Pore Size (nm) | Pore Volume (cm3/g) | Ni Size (nm) TEM/XRD | NiO/Ni Peak Area Ratio (XRD) | Acidic Sites (mmol/g) | Ni Sites from H2-TPR (mmol/g) |
---|---|---|---|---|---|---|---|
MeAl | 314.2 | 9.5 | 1.24 | - | - | 1.359 | - |
Ni–MeAl | 177.7 | 4.0 | 0.25 | 11.17/4.7 | Only Ni | 0.586 | 0.012 |
0.5K/Ni–MeAl | 172.0 | 5.1 | 0.29 | 15.8/8.2 | 0.29 | 0.419 | 0.008 |
2K/Ni–MeAl | 168.8 | 5.1 | 0.29 | 46.8/7.9 | Only NiO | 0.370 | 0.006 |
MaAl | 266.2 | 11.5 | 1.00 | - | - | 2.033 | - |
Ni–MaAl | 221.5 | 10.8 | 0.81 | 2.8/1.8 | Only Ni | 0.773 | 0.017 |
0.5K/Ni–MaAl | 202.1 | 10.2 | 0.69 | 5.1/2.1 | 0.19 | 0.527 | 0.017 |
2K/Ni–MaAl | 199.5 | 10.4 | 0.68 | 6.7/2.1 | 0.31 | 0.518 | 0.014 |
Catalysts | Conversion (%) | C-Selectivity in Products (%) | Liquid Product Distribution (%) | |||||
---|---|---|---|---|---|---|---|---|
Coke | Gas | Liquid | (1) | (2) | (3) | (4) | ||
Blank test | 6.2 | 3.3 | 26.1 | 70.6 | 0.1 | 0.6 | 45.7 | 53.6 |
MeAl | 11.5 | 0.4 | 22.9 | 76.8 | 40.8 | 12.4 | 40.1 | 22.7 |
Ni–MeAl | 16.1 | 0.3 | 49.8 | 49.9 | 0 | 13.2 | 86.5 | 0.2 |
0.5K/Ni–MeAl | 11.3 | 0.6 | 48.9 | 50.5 | 1.1 | 2.2 | 91 | 5.7 |
2K/Ni–MeAl | 6.9 | 0.7 | 55.2 | 44.1 | 10.4 | 1.3 | 63.2 | 25.2 |
MaAl | 13.9 | 0.3 | 47.0 | 52.7 | 28.9 | 8.6 | 56.8 | 5.8 |
Ni–MaAl | 20.1 | 0.5 | 56.9 | 42.5 | 1.4 | 0.9 | 91.9 | 5.8 |
0.5K/Ni–MaAl | 23.1 | 0.5 | 65.4 | 34.1 | 11.0 | 1.3 | 80.4 | 7.2 |
2K/Ni–MaAl | 20.4 | 0.4 | 55.1 | 44.4 | 30.6 | 0.6 | 63.4 | 5.4 |
Catalysts | H2 | CO | CO2 | CH4 | C2+ | TOF (H2) (mol/mol.h) | (H2 + CO)/(CH4 + C2+) Mole Ratio |
---|---|---|---|---|---|---|---|
Blank test | 0 | 0 | 0 | 66 | 34 | - | 0.0 |
MeAl | 0 | 0 | 6 | 66 | 28 | - | 0.0 |
Ni–MeAl | 28 | 29 | 38 | 3 | 2 | 736 | 11.4 |
0.5K/Ni–MeAl | 18 | 8 | 12 | 48 | 15 | 430 | 0.4 |
2K/Ni–MeAl | 0 | 0 | 22 | 38 | 40 | - | 0.0 |
MaAl | 0 | 0 | 5 | 62 | 33 | - | 0.0 |
Ni–MaAl | 28 | 26 | 9 | 20 | 17 | 577 | 1.5 |
0.5K/Ni–MaAl | 43 | 26 | 7 | 14 | 10 | 952 | 2.9 |
2K/Ni–MaAl | 41 | 26 | 9 | 16 | 7 | 950 | 2.9 |
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Do, L.T.; Nguyen-Phu, H.; Pham, N.N.; Jeong, D.H.; Shin, E.W. Highly Dispersed Nickel Nanoparticles on Hierarchically Ordered Macroporous Al2O3 and Its Catalytic Performance for Steam Reforming of 1-Methyl Naphthalene. Catalysts 2022, 12, 1542. https://doi.org/10.3390/catal12121542
Do LT, Nguyen-Phu H, Pham NN, Jeong DH, Shin EW. Highly Dispersed Nickel Nanoparticles on Hierarchically Ordered Macroporous Al2O3 and Its Catalytic Performance for Steam Reforming of 1-Methyl Naphthalene. Catalysts. 2022; 12(12):1542. https://doi.org/10.3390/catal12121542
Chicago/Turabian StyleDo, Lien Thi, Huy Nguyen-Phu, Ngoc Nhiem Pham, Dong Hwi Jeong, and Eun Woo Shin. 2022. "Highly Dispersed Nickel Nanoparticles on Hierarchically Ordered Macroporous Al2O3 and Its Catalytic Performance for Steam Reforming of 1-Methyl Naphthalene" Catalysts 12, no. 12: 1542. https://doi.org/10.3390/catal12121542