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Keywords:

  • nanoparticles;
  • cobalt;
  • supported catalysts;
  • hydrocarbons;
  • sustainable chemistry
Thumbnail image of graphical abstract

Detached from it all: Cobalt sintering leading to the formation of large, individually detached microscopic metal agglomerates is detected in alumina-supported cobalt catalysts after Fischer–Tropsch synthesis in a slurry reactor. The macroscopic sintering depends on the H2/CO ratio, the partial pressure of water, and the conversion of carbon monoxide, all of which lead to dramatic catalyst deactivation.