Models of hydrocarbon product distributions in Fischer-Tropsch synthesis. 2. Model for hydrocarbon chain growth and cracking

1984 ◽  
Vol 23 (3) ◽  
pp. 274-280 ◽  
Author(s):  
Stephanie Novak ◽  
Rostam J. Madon
Keyword(s):  
Hydrocarbon Chain ◽  
Tropsch Synthesis ◽  
Chain Growth ◽  
Fischer Tropsch ◽  
Fischer Tropsch Synthesis ◽  
Product Distributions ◽  
Hydrocarbon Product

Computational exploration of Fe55@C240-catalyzed Fischer–Tropsch synthesis

2018 ◽  
Vol 20 (4) ◽  
pp. 2741-2753 ◽  
Author(s):  
Geraldine Cilpa-Karhu ◽  
Kari Laasonen
Keyword(s):  
Dft Calculations ◽  
Hydrocarbon Chain ◽  
Tropsch Synthesis ◽  
Chain Growth ◽  
Fischer Tropsch ◽  
Fischer Tropsch Synthesis ◽  
Co Insertion ◽  
Computational Exploration ◽  
Insertion Mechanism

DFT calculations showed possible hydrocarbon chain growth on Fe55@C240 preferentially via a CO insertion mechanism.

Activation Energies for Chain Growth Propagation and Termination in Fischer–Tropsch Synthesis on Iron Catalyst as a Function of Catalyst Particle Size

2016 ◽  
Vol 41 (4) ◽  
pp. 371-384 ◽  
Author(s):  
Ali Nakhaei Pour ◽  
Fatemeh Dolati
Keyword(s):  
Particle Size ◽  
Iron Catalyst ◽  
Catalyst Particle ◽  
Tropsch Synthesis ◽  
Chain Growth ◽  
Fischer Tropsch ◽  
Fischer Tropsch Synthesis ◽  
Catalyst Particle Size ◽  
Partial Pressures ◽  
Hydrocarbon Product

The influence of the catalyst particle size in determining Fischer–Tropsch synthesis (FTS) performance for nano-structured iron catalysts was investigated. The catalysts were prepared by a microemulsion method and to achieve a series of catalysts with different iron particle size, the water-to-surfactant molar ratio (W/S) in the microemulsion system varied from 4 to 12. The results demonstrate that by decreasing the levels of active phase of the iron catalyst, the termination rates for chain growth are increased compared to the propagation rates. In addition, the activation energy for chain propagation is lower than for chain termination, and this difference (Et – Ep) for the hydrocarbon product distributions which is characterised by α1, is lower than the hydrocarbon product distribution which is characterised by α2 The results indicate the H2 concentration on the catalyst surface is decreased by increasing the catalyst particle size. Thus, the dependence of α (α1, and/or α2) on H2 partial pressures is increased by decreasing of catalyst particle size and the dependence of α2 on H2 partial pressures is weaker than for α1.

Fischer-Tropsch synthesis-A C2 initiator for hydrocarbon chain growth on ruthenium

1988 ◽  
Vol 1 (5) ◽  
pp. 121-125 ◽  
Author(s):  
C. A. Mims ◽  
L. E. McCandlish ◽  
M. T. Melchior
Keyword(s):  
Hydrocarbon Chain ◽  
Tropsch Synthesis ◽  
Chain Growth ◽  
Fischer Tropsch ◽  
Fischer Tropsch Synthesis

Product Distributions of Fischer-Tropsch Synthesis over Core-Shell Catalysts: The Effects of Diverse Shell Thickness

2018 ◽  
Vol 3 (44) ◽  
pp. 12415-12423 ◽  
Author(s):  
Zhipeng Tian ◽  
Chenguang Wang ◽  
Zhan Si ◽  
Yachen Wang ◽  
Lungang Chen ◽  
...  
Keyword(s):  
Shell Thickness ◽  
Tropsch Synthesis ◽  
Core Shell ◽  
Fischer Tropsch ◽  
Fischer Tropsch Synthesis ◽  
Product Distributions
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