Patents Assigned to Sastech (Proprietary) Limited
  • Catalysts
    Patent number: 5733839
    Abstract: To prepare a Fischer-Tropsch catalyst, a slurry comprising a particular alumina carrier, water and an active component selected from the group consisting in cobalt (Co), iron (Fe) and mixtures thereof, is subjected to a sub-atmospheric pressure environment. The alumina carrier is thereby impregnated by the active component. The impregnated carrier is dried under a sub-atmospheric pressure environment. The dried impregnated carrier is calcined, thereby to obtain the Fischer-Tropsch catalyst.
    Type: Grant
    Filed: April 2, 1996
    Date of Patent: March 31, 1998
    Assignee: Sastech (Proprietary) Limited
    Inventors: Rafael Luis Espinoza, Jacobus Lucas Visagie, Peter Jacobus Van Berge, Franciscus Hermanus Bolder