Binder/support effects on the activity and selectivity of iron catalysts in the Fischer-Tropsch synthesis

Dragomir Bukur, Xiaosu Lang, Doble Mukesh, William H. Zimmerman, Michael P. Rosynek, Chiuping Li

Research output: Contribution to journalArticle

135 Citations (Scopus)

Abstract

The influence of silica and alumina binders (supports) on the activity and product selectivity of precipitated iron catalysts for Fischer-Tropsch synthesis (FTS) was studied in a fixed bed reactor at 1.5-3.0 MPa and 220-250 °C, using synthesis gas with H2CO = 1 M feed ratio. Both the FTS and the water gas shift activity decreased with increasing support content. The catalyst deactivation rate decreased with catalysts containing 24 and 100 g of SiO2 per 100 g of Fe. Secondary reactions (olefin hydrogenation and isomerization) increased with increasing silica content. Hydrocarbon selectivities improved (less gaseous hydrocarbons) with the addition of support, except for the catalyst containing 24SiO2100 Fe. The results were interpreted in terms of interactions between potassium and/or iron with supports.

Original languageEnglish
Pages (from-to)1588-1599
Number of pages12
JournalIndustrial and Engineering Chemistry Research
Volume29
Issue number8
Publication statusPublished - Aug 1990
Externally publishedYes

Fingerprint

Fischer-Tropsch synthesis
Catalyst selectivity
Catalyst supports
Binders
Catalyst activity
Iron
Hydrocarbons
Silicon Dioxide
Catalysts
Silica
Catalyst deactivation
Water gas shift
Aluminum Oxide
Synthesis gas
Alkenes
Isomerization
Olefins
Hydrogenation
Potassium
Alumina

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Binder/support effects on the activity and selectivity of iron catalysts in the Fischer-Tropsch synthesis. / Bukur, Dragomir; Lang, Xiaosu; Mukesh, Doble; Zimmerman, William H.; Rosynek, Michael P.; Li, Chiuping.

In: Industrial and Engineering Chemistry Research, Vol. 29, No. 8, 08.1990, p. 1588-1599.

Research output: Contribution to journalArticle

Bukur, Dragomir ; Lang, Xiaosu ; Mukesh, Doble ; Zimmerman, William H. ; Rosynek, Michael P. ; Li, Chiuping. / Binder/support effects on the activity and selectivity of iron catalysts in the Fischer-Tropsch synthesis. In: Industrial and Engineering Chemistry Research. 1990 ; Vol. 29, No. 8. pp. 1588-1599.
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