High Active Zn/Mg-Modified Ni–P/Al2O3 Catalysts Derived from ZnMgNiAl Layered Double Hydroxides for Hydrodesulfurization of Dibenzothiophene
Abstract
:1. Introduction
2. Results and Discussion
2.1. Characterization of Catalysts
2.2. Catalytic Activity
3. Experimental
3.1. Materials
3.2. Catalyst Preparation
3.3. Catalyst Characterization
3.4. Catalytic Hydrogenation Activity Test
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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LDHs | d (nm) | Lattice Parameter 1 | Crystallite Size 2 | |||||
---|---|---|---|---|---|---|---|---|
(003) | (006) | (009) | (110) | a | c | a | c | |
ZnNiAl | 0.76 | 0.38 | 0.26 | 0.15 | 0.30 | 2.30 | 19.2 | 9.2 |
Zn0.75Mg0.25NiAl | 0.76 | 0.38 | 0.26 | 0.15 | 0.30 | 2.30 | 14.1 | 9.6 |
Zn0.5Mg0.5NiAl | 0.77 | 0.39 | 0.26 | 0.15 | 0.30 | 2.33 | 20.6 | 10.1 |
Zn0.25Mg0.75NiAl | 0.78 | 0.38 | 0.26 | 0.15 | 0.30 | 2.32 | 20.5 | 9.4 |
MgNiAl | 0.77 | 0.38 | 0.26 | 0.15 | 0.30 | 2.31 | 16.0 | 9.4 |
Catalyst | Surface Area (m2·g−1) | Pore Volume (cm3·g−1) | Average Pore Diameter (nm) | dc 1 (nm) |
---|---|---|---|---|
ZnNi–P/Al2O3 | 5.5 | 0.025 | 18.2 | 39.2 |
Zn0.75Mg0.25Ni–P/Al2O3 | 11.8 | 0.026 | 8.8 | 29.4 |
MgNi–P/Al2O3 | 6.7 | 0.027 | 16.5 | — |
Sample | Binding Energy (eV) | Surface Atomic Ratio | ||||||
---|---|---|---|---|---|---|---|---|
Ni 2p3/2 | P 2p3/2 | |||||||
Niδ+ | Ni2+ | Satellite | Pδ− | P5+ | Niδ+/ΣNi | P/Ni | Surface Composition | |
ZnNi–P/Al2O3 | 853.7 | 856.9 | 861.0 | 129.6 | 134.0 | 0.44 | 7.41 | Zn8.6Ni5.9P43.7Al41.8 |
Zn0.75Mg0.25Ni–P/Al2O3 | 853.0 | 855.3 | 860.6 | 129.4 | 133.8 | 0.19 | 1.87 | Zn1.1Mg9.2Ni20.0P37.4Al32.3 |
MgNi–P/Al2O3 | 852.2 | 855.5 | 860.6 | 129.2 | 133.9 | 0.26 | 4.42 | Mg21.9Ni9.9P43.8Al24.4 |
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Li, F.; Liang, J.; Zhu, W.; Song, H.; Wang, K.; Li, C. High Active Zn/Mg-Modified Ni–P/Al2O3 Catalysts Derived from ZnMgNiAl Layered Double Hydroxides for Hydrodesulfurization of Dibenzothiophene. Catalysts 2017, 7, 202. https://doi.org/10.3390/catal7070202
Li F, Liang J, Zhu W, Song H, Wang K, Li C. High Active Zn/Mg-Modified Ni–P/Al2O3 Catalysts Derived from ZnMgNiAl Layered Double Hydroxides for Hydrodesulfurization of Dibenzothiophene. Catalysts. 2017; 7(7):202. https://doi.org/10.3390/catal7070202
Chicago/Turabian StyleLi, Feng, Jinrong Liang, Wenxi Zhu, Hua Song, Keliang Wang, and Cuiqin Li. 2017. "High Active Zn/Mg-Modified Ni–P/Al2O3 Catalysts Derived from ZnMgNiAl Layered Double Hydroxides for Hydrodesulfurization of Dibenzothiophene" Catalysts 7, no. 7: 202. https://doi.org/10.3390/catal7070202