Synthesis of Oxygenated Hydrocarbons from Ethanol over Sulfided KCoMo-Based Catalysts: Influence of Novel Fiber- and Powder-Activated Carbon Supports
Abstract
:1. Introduction
2. Results
2.1. Catalyst Characteristics
2.2. SEM and TEM
2.3. Catalytic Tests
3. Discussion
Industrial Relevance of Ethyl Acetate and Other Oxygenates
4. Materials and Methods
4.1. Carbonaceous Supports
4.2. Synthesis of K- and Co-Promoted MoS2 Catalysts
4.3. Physical Characteristics of Catalyst
4.4. Catalytic Studies
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Catalysts | DAS | YPK-1 | KCoMoS2/DAS | KCoMoS2/YPK-1 |
---|---|---|---|---|
SBET (m2/g) | 724 | 771 | 250 | 178 |
Smicro (m2/g) | 662 | 660 | 243 | 142 |
Smeso (m2/g) | 62 | 51 | 7 | 35 |
Vtotal (cm3/g) | 0.34 | 0.32 | 0.11 | 0.09 |
Vmicro (cm3/g) | 0.28 | 0.27 | 0.10 | 0.06 |
Vmeso (cm3/g) | 0.06 | 0.05 | 0.01 | 0.03 |
Dp (nm) | 3.2 | 3.9 | 3.3 | 3.2 |
NSBET | – | – | 0.46 | 0.31 |
BE | – | – | 0.54 | 0.69 |
%ME | 0.18 | 0.16 | 0.11 | 0.33 |
Catalysts | Targeted Compositions (wt.%) | Measured Compositions (wt.%) | ||||
---|---|---|---|---|---|---|
K | Co | Mo | K | Co | Mo | |
KCoMoS2/DAS | 10 | 3.7 | 12 | 8.5 | 3.7 | 11.9 |
KCoMoS2/YPK-1 | 10 | 3.7 | 12 | 8.4 | 3.9 | 15.8 |
KCoMoS2/TCA | 10 | 3.7 | 12 | 11.3 | 4.2 | 13.9 |
KCoMoS2/AHM | 10 | 3.7 | 12 | 11.1 | 4.6 | 15.1 |
Catalysts | Acidity (µmol·g−1) |
---|---|
DAS | 65.81 |
YPK-1 | 39.31 |
AHM | 79.67 |
TCA | 47.37 |
KCoMoS2/DAS | 21.19 |
KCoMoS2/YPK-1 | 24.05 |
KCoMoS2/AHM | 156.43 |
KCoMoS2/TCA | 165.81 |
Catalysts | KCoMoS2/DAS | KCoMoS2/YPK-1 | KCoMoS2/AHM | KCoMoS2/TCA |
---|---|---|---|---|
Acetaldehyde | 4.6 | 2.5 | 11.9 | 4.2 |
Ethyl acetate | 29.2 | 19 | 18.1 | 13.7 |
Ethyl acetoacetate | 3.2 | 3.1 | 2.1 | 2.7 |
BuOH | 2.5 | 3.2 | 0 | 0.8 |
n-PrOH | 3.5 | 2.2 | 0.7 | 1.1 |
i-PrOH | 0 | 0.1 | 0 | 0 |
BuOAc | 0.6 | 0.5 | 0.1 | 0.3 |
Dethyl ether | 0 | 0 | 0 | 0.3 |
CO | 0 | 0 | 0 | 0.1 |
CO2 | 1.4 | 1.6 | 8.6 | 2.9 |
LPtotal | 43.6 | 30.6 | 29.8 | 23.1 |
HCtotal | 4.5 | 6.4 | 24.6 | 32.1 |
LPtotal/HCtotal | 9.7 | 4.8 | 1.3 | 0.7 |
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Dipheko, T.D.; Maximov, V.V.; Osman, M.E.; Eliseev, O.L.; Cherednichenko, A.G.; Sheshko, T.F.; Kogan, V.M. Synthesis of Oxygenated Hydrocarbons from Ethanol over Sulfided KCoMo-Based Catalysts: Influence of Novel Fiber- and Powder-Activated Carbon Supports. Catalysts 2022, 12, 1497. https://doi.org/10.3390/catal12121497
Dipheko TD, Maximov VV, Osman ME, Eliseev OL, Cherednichenko AG, Sheshko TF, Kogan VM. Synthesis of Oxygenated Hydrocarbons from Ethanol over Sulfided KCoMo-Based Catalysts: Influence of Novel Fiber- and Powder-Activated Carbon Supports. Catalysts. 2022; 12(12):1497. https://doi.org/10.3390/catal12121497
Chicago/Turabian StyleDipheko, Tshepo D., Vladimir V. Maximov, Mohamed E. Osman, Oleg L. Eliseev, Alexander G. Cherednichenko, Tatiana F. Sheshko, and Victor M. Kogan. 2022. "Synthesis of Oxygenated Hydrocarbons from Ethanol over Sulfided KCoMo-Based Catalysts: Influence of Novel Fiber- and Powder-Activated Carbon Supports" Catalysts 12, no. 12: 1497. https://doi.org/10.3390/catal12121497