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

Research output: Contribution to journalArticlepeer-review

8 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 (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.

Original languageEnglish
Article number118259
JournalChemical Engineering Science
Volume265
DOIs
Publication statusPublished - 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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