Journal of Natural Gas Chemistry, ( ISI ), Volume (22), No (1), Year (2013-1) , Pages (119-129)

Title : ( Hydrocarbon production rates in Fischer-Tropsch synthesis over a Fe/Cu/La/Si catalyst )

Authors: Ali Nakhaei Pour , Farshad Riyahi , Mohammad Reza Housaindokht , Mohammad Irani , Seyed Mehdi Kamali Shahri , Behnam Hatami ,

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Abstract

The detailed kinetics of Fischer-Tropsch synthesis over an industrial Fe/Cu/La/Si catalyst was studied in a continuous spinning basket reactor under the conditions relevant to industrial operations. Reaction rate equations were derived on the basis of Langmuir-Hinshelwood- Hougen-Watson type models for Fischer-Tropsch synthesis based on possible reactions sets originated from the carbide, enolic and combined enol/carbide mechanisms. Kinetic model candidates were evaluated by the global optimization of kinetic parameters, which were realized by first minimization of multi-response objective functions with conventional Levenberg-Marquardt method. It was found that an enolic mechanism based model could produce a good fit of the experimental data. The activation energy for paraffin formation is 95 kJ·mol−1 which is smaller than that for olefin formation (121 kJ·mol−1).

Keywords

, Fischer, Tropsch synthesis; kinetics; iron catalysts; catalysts selectivity
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@article{paperid:1033874,
author = {Nakhaei Pour, Ali and Farshad Riyahi and Housaindokht, Mohammad Reza and Mohammad Irani and Seyed Mehdi Kamali Shahri and Behnam Hatami},
title = {Hydrocarbon production rates in Fischer-Tropsch synthesis over a Fe/Cu/La/Si catalyst},
journal = {Journal of Natural Gas Chemistry},
year = {2013},
volume = {22},
number = {1},
month = {January},
issn = {1003-9953},
pages = {119--129},
numpages = {10},
keywords = {Fischer-Tropsch synthesis; kinetics; iron catalysts; catalysts selectivity},
}

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%0 Journal Article
%T Hydrocarbon production rates in Fischer-Tropsch synthesis over a Fe/Cu/La/Si catalyst
%A Nakhaei Pour, Ali
%A Farshad Riyahi
%A Housaindokht, Mohammad Reza
%A Mohammad Irani
%A Seyed Mehdi Kamali Shahri
%A Behnam Hatami
%J Journal of Natural Gas Chemistry
%@ 1003-9953
%D 2013

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