A perspective on the activation energy dependence of the Fischer-Tropsch synthesis reaction mechanism

Leonard U. Okonye; Yali Yao; Jianwei Ren; Xinying Liu; Diane Hildebrandt

doi:10.1016/j.ces.2022.118259

A perspective on the activation energy dependence of the Fischer-Tropsch synthesis reaction mechanism

Leonard U. Okonye, Yali Yao, Jianwei Ren, Xinying Liu, Diane Hildebrandt

Mechanical Engineering Science

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

The conversion of syngas to hydrocarbons is achieved through different mechanisms based on the type of perceived monomer and chain initiator, with preference given to two key mechanisms in the explanation of the conversion process. Concerted efforts at explaining the Fischer-Tropsch Synthesis (FTS) mechanism remain unresolved. By graphing the energy of a reaction using the Arrhenius equation, changes occurring in a reaction for temperature variation can produce valuable information on the reaction. This work uses the activation energy (E_a) deduced from the Arrhenius equation to determine the coexistence nature of the different mechanisms for the FTS reaction. The work shows the reaction mechanisms are not competing, but rather complement one another during FTS reaction to yield different products.

Original language	English
Article number	118259
Journal	Chemical Engineering Science
Volume	265
DOIs	https://doi.org/10.1016/j.ces.2022.118259
Publication status	Published - 16 Jan 2023

Keywords

Arrhenius plot
CO-dissociation mechanism
CO-insertion mechanism
Catalyst activity
Fischer-Tropsch synthesis

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering

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10.1016/j.ces.2022.118259

Cite this

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abstract = "The conversion of syngas to hydrocarbons is achieved through different mechanisms based on the type of perceived monomer and chain initiator, with preference given to two key mechanisms in the explanation of the conversion process. Concerted efforts at explaining the Fischer-Tropsch Synthesis (FTS) mechanism remain unresolved. By graphing the energy of a reaction using the Arrhenius equation, changes occurring in a reaction for temperature variation can produce valuable information on the reaction. This work uses the activation energy (Ea) deduced from the Arrhenius equation to determine the coexistence nature of the different mechanisms for the FTS reaction. The work shows the reaction mechanisms are not competing, but rather complement one another during FTS reaction to yield different products.",

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AU - Okonye, Leonard U.

AU - Yao, Yali

AU - Ren, Jianwei

AU - Liu, Xinying

AU - Hildebrandt, Diane

PY - 2023/1/16

Y1 - 2023/1/16

N2 - The conversion of syngas to hydrocarbons is achieved through different mechanisms based on the type of perceived monomer and chain initiator, with preference given to two key mechanisms in the explanation of the conversion process. Concerted efforts at explaining the Fischer-Tropsch Synthesis (FTS) mechanism remain unresolved. By graphing the energy of a reaction using the Arrhenius equation, changes occurring in a reaction for temperature variation can produce valuable information on the reaction. This work uses the activation energy (Ea) deduced from the Arrhenius equation to determine the coexistence nature of the different mechanisms for the FTS reaction. The work shows the reaction mechanisms are not competing, but rather complement one another during FTS reaction to yield different products.

AB - The conversion of syngas to hydrocarbons is achieved through different mechanisms based on the type of perceived monomer and chain initiator, with preference given to two key mechanisms in the explanation of the conversion process. Concerted efforts at explaining the Fischer-Tropsch Synthesis (FTS) mechanism remain unresolved. By graphing the energy of a reaction using the Arrhenius equation, changes occurring in a reaction for temperature variation can produce valuable information on the reaction. This work uses the activation energy (Ea) deduced from the Arrhenius equation to determine the coexistence nature of the different mechanisms for the FTS reaction. The work shows the reaction mechanisms are not competing, but rather complement one another during FTS reaction to yield different products.

KW - Arrhenius plot

KW - CO-dissociation mechanism

KW - CO-insertion mechanism

KW - Catalyst activity

KW - Fischer-Tropsch synthesis

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JO - Chemical Engineering Science

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A perspective on the activation energy dependence of the Fischer-Tropsch synthesis reaction mechanism

Abstract

Keywords

ASJC Scopus subject areas

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