Citation: P. Nikparsa, A. A. Mirzaei, H. Atashi. Effect of reaction conditions and kinetic study on the Fischer-Tropsch synthesis over fused Co-Ni/Al₂O₃ catalyst[J]. Journal of Fuel Chemistry and Technology, ;2014, 42(6): 710-718. shu

Effect of reaction conditions and kinetic study on the Fischer-Tropsch synthesis over fused Co-Ni/Al₂O₃ catalyst

1.
1. Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan 98135-674, Iran;

Corresponding author: A. A. Mirzaei,
Received Date: 11 December 2013
Available Online: 9 April 2014

Co-Ni/Al₂O₃ catalyst was prepared by the fusion method and used in Fischer-Tropsch synthesis (FTS). The catalysts were characterized by means of nitrogen sorption and scanning electron microscopy. The effect of some reaction conditions such as temperature, pressure and H₂/CO feed ratio on the catalytic performance of Co-Ni/Al₂O₃ in CO hydrogenation was investigated in a fixed-bed reactor. The results indicate that the optimum reaction conditions are 250 ℃, 0.3 MPa, H₂/CO feed ratio of 2.0, and GHSV of 3 000 h^-1. Kinetically, the reaction rate was correlated with the Langmuir-Hinshelwood-Hougen-Watson type models. The activation energy for the best fitted model is 88.41 kJ/mol, suggesting that the intra-particle mass transport is not significant.
- fused Co-Ni/Al₂O₃,
- Fischer-Tropsch synthesis,
- kinetics,
- modeling,
- reaction conditions,
- CO consumption,
- activation energy
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沈阳化工大学材料科学与工程学院沈阳 110142

Effect of reaction conditions and kinetic study on the Fischer-Tropsch synthesis over fused Co-Ni/Al2O3 catalyst

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通讯作者: 陈斌, bchen63@163.com

Effect of reaction conditions and kinetic study on the Fischer-Tropsch synthesis over fused Co-Ni/Al₂O₃ catalyst