Ni Supported on Natural Clays as a Catalyst for the Transformation of Levulinic Acid into γ-Valerolactone without the Addition of Molecular Hydrogen
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preparation of Catalysts
2.2. Characterization Techniques
2.3. Catalytic Tests and Analyses
3. Results
Characterization Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Catalyst | Substrate | Solvent | H2 Source | T (°C) | Time (h) | GVL Yield (%) | Ref. |
---|---|---|---|---|---|---|---|
Ni-Zr-O | ML | Water | Molecular H2 | 200 | 3 | 98 | [50] |
170 | 3 | 97 | |||||
150 | 3 | 95 | |||||
Ni-Cu/SBA-15 | ML | 2-propanol | 2-propanol | 170 | 3 | 87 | [30] |
RANEY Ni | ML | 2-propanol | 2-propanol | 120 | 1 | 94 | [51] |
RANEY Ni | EL | 2-Propanol | 2-propanol | 80 | 2 | 99 | [28] |
Ni/ZrO2 | ML | 2-propanol | 2-propanol | 100 | 20 | 94 | [52] |
LA | 2-propanol | 2-propanol | 120 | 20 | 86 | ||
Ru−Ni/Meso-C | LA | H2 | Molecular H2 | 150 | 2 | 96 | [53] |
Ni/NiO | LA | Dioxane | Molecular H2 | 120 | 4,5 | 99 | [54] |
Ni/Mg2Al2O5 | LA | Dioxane | Molecular H2 | 160 | 1 | 99 | [55] |
Ni/Al-LDH | LA | Water | Molecular H2 | 200 | 6 | 100 | [56] |
Ni/HZSM-5 | LA | Dioxane | Molecular H2 | 220 | 10 | 93 | [57] |
Ni-Cu/SiO2 | LA | N2 | Formic acid | 285 | - | 98 | [58] |
10NiNb/TiO2 | LA | Water | Molecular H2 | 275 | - | 25 | [59] |
Cu/Ni/Mg/Al | LA | Dioxane | Molecular H2 | 140 | 3 | 100 | [60] |
Ni/SiO2 | LA | H2 | Molecular H2 | 250 | 0.3 | 89 | [61] |
Ni/Al2O3 | LA | H2 | Molecular H2 | 200 | 4 | 92 | [62] |
Ni/HZSM-5 | LA | H2 | Molecular H2 | 320 | 0.5 | 99 | [63] |
Ni/SiO2–Al2O3 | LA | THF | Molecular H2 | 200 | 0.5 | 100 | [64] |
Isopropyl alcohol | Isopropyl alcohol | 0.25 | 99 | ||||
Water | Formic acid | 10 | 70 |
Sample | SBET (m2·g−1) | VT (cm3·g−1) |
---|---|---|
Sep | 242 | 0.392 |
2Ni/Sep | 202 | 0.447 |
SepB | 381 | 0.619 |
2Ni/SepB | 121 | 0.579 |
Atap | 216 | 0.499 |
2Ni/Atap | 75 | 0.440 |
Additional | GVL Yields | molGVL kg−1catalyst h−1 | molGVL kg−1Ni h−1 | ||||
---|---|---|---|---|---|---|---|
Catalyst | H2 Source | 180 °C | 120 °C | 180 °C | 120 °C | 180 °C | 120 °C |
2 Ni/Sep | No | 14.6 | 2.31 | 0.510 | 0.082 | 25.8 | 4.08 |
2 Ni/SepB | No | 12.0 | 5.05 | 0.428 | 0.180 | 21.3 | 8.93 |
2 Ni/Atap | No | 12.9 | 1.01 | 0.451 | 0.040 | 22.7 | 1.77 |
2 Ni/Sep | Zn added | 85.2 | 72.6 | 3.01 | 2.57 | 151 | 128 |
2 Ni/SepB | Zn added | >98 | 82.0 | 3.54 | 2.90 | 177 | 145 |
2 Ni/Atap | Zn added | >98 | 82.7 | 3.54 | 2.92 | 177 | 146 |
2 Ni/Sep | Formic acid | 5.39 | 6.50 | 0.187 | 0.233 | 9.52 | 11.5 |
2 Ni/SepB | Formic acid | 3.02 | 4.54 | 0.111 | 0.156 | 5.41 | 8.02 |
2 Ni/Atap | Formic acid | 4.02 | 6.26 | 0.142 | 0.219 | 7.09 | 11.1 |
Experiment/Sample | Reaction Temperature (°C) | ZnO/Zn | Zn2SiO4/Zn |
---|---|---|---|
Zn alone | 180 | 0.71 | - |
2Ni/SepB + Zn | 120 | 98 | 0 |
2Ni/SepB + Zn | 180 | 8.9 | 4.0 |
2Ni/Atap + Zn | 120 | 5.2 | 2.2 |
2Ni/Atap + Zn | 180 | 1.5 | 3.5 |
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García, A.; Sanchis, R.; Llopis, F.J.; Vázquez, I.; Pico, M.P.; López, M.L.; Álvarez-Serrano, I.; Solsona, B. Ni Supported on Natural Clays as a Catalyst for the Transformation of Levulinic Acid into γ-Valerolactone without the Addition of Molecular Hydrogen. Energies 2020, 13, 3448. https://doi.org/10.3390/en13133448
García A, Sanchis R, Llopis FJ, Vázquez I, Pico MP, López ML, Álvarez-Serrano I, Solsona B. Ni Supported on Natural Clays as a Catalyst for the Transformation of Levulinic Acid into γ-Valerolactone without the Addition of Molecular Hydrogen. Energies. 2020; 13(13):3448. https://doi.org/10.3390/en13133448
Chicago/Turabian StyleGarcía, Adrián, Rut Sanchis, Francisco J. Llopis, Isabel Vázquez, María Pilar Pico, María Luisa López, Inmaculada Álvarez-Serrano, and Benjamín Solsona. 2020. "Ni Supported on Natural Clays as a Catalyst for the Transformation of Levulinic Acid into γ-Valerolactone without the Addition of Molecular Hydrogen" Energies 13, no. 13: 3448. https://doi.org/10.3390/en13133448