Kinetics of the Fischer-Tropsch Synthesis

Ravindra S. Dixit, Lawrence L. Tavlarldee

Research output: Contribution to journalArticlepeer-review

43 Scopus citations


The kinetics of the Fischer-Tropsch synthesis reactions are studied In an Internally recycled reactor over a commercial 0.5% Ru/γ-AI2O3 catalyst. Steady-state turnover numbers are obtained for 3:1 and 2:1 H2/CO feed gas over a temperature range of 200-300 %C, a pressure range of 0.6-1.0 MPa, and a weight hourly space velocity range of 0.1-0.5 MPA. Intrinsic kinetic data are obtained on surface-impregnated catalyst. It Is shown that even at the highest conversion levels, heat and mass transfer resistances are negligible. A mechanism for the Fischer-Tropsch synthesis Is proposed and several kinetic models are developed. The kinetic model which best fit the experimental data is given by this model is based on the assumption that the rate-determining step Is the hydrogenation of adsorbed CHX species. The product selectivity and CO conversion are strongly Influenced by temperature.

Original languageEnglish (US)
Pages (from-to)1-9
Number of pages9
JournalIndustrial and Engineering Chemistry Process Design and Development
Issue number1
StatePublished - Jan 1 1983
Externally publishedYes

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering
  • General Engineering
  • Industrial and Manufacturing Engineering


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