Preparation of Fe-Mn/K/Al<sub>2</sub>O<sub>3</sub> Fischer-Tropsch Catalyst and Its Catalytic Kinetics for the Hydrogenation of Carbon Monoxide

F. Fazlollahi; M. Sarkari; H. Gharebaghi; H. Atashi; M. M. Zarei; A. A. Mirzaei; W. C. Hecker

doi:10.1016/S1004-9541(13)60503-0

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Preparation of Fe-Mn/K/Al₂O₃ Fischer-Tropsch Catalyst and Its Catalytic Kinetics for the Hydrogenation of Carbon Monoxide

催化、动力学与反应工程 | Updated：2026-01-06

- Preparation of Fe-Mn/K/Al₂O₃ Fischer-Tropsch Catalyst and Its Catalytic Kinetics for the Hydrogenation of Carbon Monoxide
- Preparation of Fe-Mn/K/Al₂O₃ Fischer-Tropsch Catalyst and Its Catalytic Kinetics for the Hydrogenation of Carbon Monoxide
- 中国化学工程学报（英文版） 2013年21卷第5期页码：507-5191004-954160503-0
- Affiliations：
  
  1. 2 South Pars Gas Complex, Asaluyeh, Bushehr,Iran
  2. 3 Department of Chemical Engineering, Faculty of Engineering, University of Sistan & Baluchestan, P.O. Box 98164-161, Zahedan,Iran
  3. 4 Department of Chemistry, Faculty of Science, University of Sistan & Baluchestan, P.O. Box 98135-674, Zahedan,Iran
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(13)60503-0
  中图分类号：
- 纸质出版：2013
- Accepted：
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F. Fazlollahi, M. Sarkari, H. Gharebaghi, 等. Preparation of Fe-Mn/K/Al₂O₃ Fischer-Tropsch Catalyst and Its Catalytic Kinetics for the Hydrogenation of Carbon Monoxide[J]. 中国化学工程学报（英文版）, 2013,21(5):507-5191004-954160503-0. DOI: 10.1016/S1004-9541(13)60503-0.

O
F. Fazlollahi, M. Sarkari, H. Gharebaghi, 等. Preparation of Fe-Mn/K/Al₂O₃ Fischer-Tropsch Catalyst and Its Catalytic Kinetics for the Hydrogenation of Carbon Monoxide[J]. 中国化学工程学报（英文版）, 2013,21(5):507-5191004-954160503-0. DOI: 10.1016/S1004-9541(13)60503-0. DOI：

O DOI： 10.1016/S1004-9541(13)60503-0.

摘要

Abstract

A K promoted iron-manganese catalyst was prepared by sol-gel method

and subsequently was tested for hydrogenation of carbon monoxide to light olefins. The kinetic experiments on a well-characterized Fe-Mn/K/Al

catalyst were performed in a fixed-bed micro-reactor in a temperature range of 280-380 ℃

pressure range of 0.1-1.2 MPa

/CO feed molar ratio range of 1-2.1 and a space velocity range of 2000-7200 h

. Considering the mechanism of the process and Langmuir-Hinshelwood-Hogan-Watson (LHHW) approach

unassisted CO dissociation and H-assisted CO dissociation mechanisms were defined. The best models were obtained using non-linear regression analysis and Levenberg-Marquardt algorithm. Consequently

4 models were considered as the preferred models based on the carbide mechanism. Finally

a model was proposed as a best model that assumed the following kinetically relevant steps in the iron-Fischer-Tropsch (FT) synthesis: (1) CO dissociation occurred without hydrogen interaction and was not a rate-limiting step; (2) the first hydrogen addition to surface carbon was the rate-determining steps. The activation energy and adsorption enthal

py were calculated 40.0 and -30.2 kJ·mol

respectively.

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Preparation of Fe-Mn/K/Al2O3 Fischer-Tropsch Catalyst and Its Catalytic Kinetics for the Hydrogenation of Carbon Monoxide

Preparation of Fe-Mn/K/Al2O3 Fischer-Tropsch Catalyst and Its Catalytic Kinetics for the Hydrogenation of Carbon Monoxide

DOI：10.1016/S1004-9541(13)60503-0

摘要

Abstract

关键词

Keywords

references

Preparation of Fe-Mn/K/Al₂O₃ Fischer-Tropsch Catalyst and Its Catalytic Kinetics for the Hydrogenation of Carbon Monoxide

Preparation of Fe-Mn/K/Al₂O₃ Fischer-Tropsch Catalyst and Its Catalytic Kinetics for the Hydrogenation of Carbon Monoxide