Chain Propagation Mechanism of Fischer–Tropsch Synthesis: Experimental Evidence by Aldehyde, Alcohol and Alkene Addition
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Methods
3. Results and Discussion
3.1. Mechanism Investigation with 1-Alkene as Single Carbon Source
3.2. Alcohol Selectivity by Co-Feeding 1-Alkene in Normal FTS Reaction
3.3. Mechanism Investigation with Aldehyde or Alcohol as Single Carbon Source
3.4. The Effects of Alkenes and Alcohols on FTS Product Distribution
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Acknowledgments
Conflicts of Interest
References
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Product Selectivity (mol%) | H2/C2H4 | |||
---|---|---|---|---|
2 | 4 | 5 | 10 | |
CH4 | 1.4 | 2.0 | 2.0 | 1.5 |
C2H4 | 7.1 | - | - | - |
C2H6 | 84.9 | 93.8 | 95.1 | 97.2 |
C3+ | 6.6 | 4.2 | 2.9 | 1.3 |
Product Selectivity (mol%) | H2/C3H6 | ||
---|---|---|---|
3 | 7 | 11 | |
CH4 | 2.0 | 3.0 | 3.6 |
C2H4 + C2H6 | 3.0 | 3.4 | 3.6 |
C3H6 | - | - | - |
C3H8 | 89.3 | 90.3 | 90.5 |
C4+ | 5.7 | 3.3 | 2.3 |
Product Selectivity (mol%) | H2/C6H12 | H2/C8H16 | ||
---|---|---|---|---|
2.1 (X = 84.7%) a | 5.1 (X = 98.6%) | 2.1 (X = 98.0%) | 5.1 (X = 99.4%) | |
methane | 1.2 | 2.4 | 0.9 | 2.6 |
2-alkene b | 56.4 | 41.1 | 50.9 | 23.9 |
n-alkane | 35.5 | 51.6 | 43.2 | 66.5 |
Others | 6.9 | 4.9 | 5.0 | 7.0 |
Reaction Results (mol%) | H2/C3H6O Ratio (C3H6O, 0.5 mL/h) | ||||
---|---|---|---|---|---|
2.83 | 4.38 | 7.96 | 11.88 | 21.75 | |
Conversion, C3H6O% | 66.19 | 86.52 | 97.51 | 98.16 | 99.15 |
Selectivity, propanol% | 93.30 | 94.45 | 95.39 | 95.84 | 96.45 |
Selectivity, hydrocarbon (C2–C4)% | 4.73 | 3.46 | 4.51 | 4.05 | 3.35 |
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Zhou, L.; Gao, J.; Hao, X.; Yang, Y.; Li, Y. Chain Propagation Mechanism of Fischer–Tropsch Synthesis: Experimental Evidence by Aldehyde, Alcohol and Alkene Addition. Reactions 2021, 2, 161-174. https://doi.org/10.3390/reactions2020012
Zhou L, Gao J, Hao X, Yang Y, Li Y. Chain Propagation Mechanism of Fischer–Tropsch Synthesis: Experimental Evidence by Aldehyde, Alcohol and Alkene Addition. Reactions. 2021; 2(2):161-174. https://doi.org/10.3390/reactions2020012
Chicago/Turabian StyleZhou, Liping, Junhu Gao, Xu Hao, Yong Yang, and Yongwang Li. 2021. "Chain Propagation Mechanism of Fischer–Tropsch Synthesis: Experimental Evidence by Aldehyde, Alcohol and Alkene Addition" Reactions 2, no. 2: 161-174. https://doi.org/10.3390/reactions2020012