Modelingof Acetylene Pyrolysis under Steel Vacuum Carburizing Conditions in a Tubular Flow Reactor
Abstract
:Introduction
Results and Discussion
Reaction Mechanism and CFD Model
Rate constant | ||||
No. | Reaction | Rate Expression | Ai (mol, m3, sec) | EA,i (kJ/mol) |
1 | C2H2 + H2 → C2H4 | r1 = k1 · cC2H2 · cH20.36 | 4.4 · 103 | 103.0 |
2 | C2H4 → C2H4 + H2 | r2 = k2 · cC2H40.5 | 3.8 · 107 | 200.0 |
3 | C2H2 + 3H2 → 2CH4 | r3 = k3 · cC2H20.35 · cH20.22 | 1.4 · 105 | 150.0 |
4 | 2CH4 → C2H2 + 3H2 | r4 = k4 · cCH40.21 | 8.6 · 106 | 195.0 |
5 | C2H2 → 2C(S) + H2 | 5.5 · 106 | 165.0 | |
6 | C2H2 + C2H2 → C4H4 | r6 = k6 · cC2H21.6 | 1.2 · 105 | 120.7 |
7 | C4H4 → C2H2 + C2H2 | r7 = k7 · cC4H40.75 | 1.0 · 1015 | 335.2 |
8 | C4H4 + C2H2 → C6H6 | r8 = k8 · cC2H21.3 · cC4H40.6 | 1.8 · 103 | 64.5 |
9 | C6H6 → 6C(S) + 3H2 | 1.0· 103 | 75.0 |
Conclusions
Experimental
Acknowledgments
References
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Khan, R.U.; Bajohr, S.; Graf, F.; Reimert, R. Modelingof Acetylene Pyrolysis under Steel Vacuum Carburizing Conditions in a Tubular Flow Reactor. Molecules 2007, 12, 290-296. https://doi.org/10.3390/12030290
Khan RU, Bajohr S, Graf F, Reimert R. Modelingof Acetylene Pyrolysis under Steel Vacuum Carburizing Conditions in a Tubular Flow Reactor. Molecules. 2007; 12(3):290-296. https://doi.org/10.3390/12030290
Chicago/Turabian StyleKhan, Rafi Ullah, Siegfried Bajohr, Frank Graf, and Rainer Reimert. 2007. "Modelingof Acetylene Pyrolysis under Steel Vacuum Carburizing Conditions in a Tubular Flow Reactor" Molecules 12, no. 3: 290-296. https://doi.org/10.3390/12030290