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Topics in Catalysis

, Volume 44, Issue 1–2, pp 129–136 | Cite as

Effect of the addition of Au on Co/TiO2 catalyst for the Fischer–Tropsch reaction

  • Kalala Jalama
  • Neil J. CovilleEmail author
  • Diane Hildebrandt
  • David Glasser
  • Linda L. Jewell
  • Jim A. Anderson
  • Stuart Taylor
  • Dan Enache
  • Graham J. HutchingsEmail author
Article

The effect of Au doping on a 10%Co/TiO2 Fischer–Tropsch catalyst has been investigated by varying the amount of Au (0.2–5 wt.%) added to the catalyst. Addition of Au to the 10%Co/TiO2 system improved the cobalt dispersion on the catalyst surface and shifted the reduction temperature for the cobalt oxides in interaction with the support to lower temperatures. The catalyst activity for FT reaction increased with an increase in Au loading and passed through a maximum in activity at 1 wt.% Au while the methane and light product selectivity monotonically increased with Au loading.

Keywords

gold cobalt titania support Fischer–Tropsch 

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Kalala Jalama
    • 1
    • 2
  • Neil J. Coville
    • 1
    Email author
  • Diane Hildebrandt
    • 2
  • David Glasser
    • 2
  • Linda L. Jewell
    • 2
  • Jim A. Anderson
    • 3
  • Stuart Taylor
    • 4
  • Dan Enache
    • 4
  • Graham J. Hutchings
    • 1
    Email author
  1. 1.DST/NRF Centre of Excellence in Catalysis and the Molecular Sciences Institute, School of ChemistryUniversity of the WitwatersrandJohannesburgSouth Africa
  2. 2.School of Chemical and Metallurgical EngineeringUniversity of the WitwatersrandJohannesburg, WitsSouth Africa
  3. 3.Surface Chemistry and Heterogeneous Catalysis, School of ChemistryUniversity of AberdeenAberdeenScotland, UK
  4. 4.School of ChemistryCardiff UniversityWalesUK

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