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Digitale Medien

Fischer–Tropsch synthesis. Compositional changes in an iron catalyst during activation and use (2000)

Liaw, Shuh‐Jeng ; Davis, Burtron H.

Springer

Topics in catalysis 10 (2000), S. 133-139

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Details

ISSN: 1572-9028

Schlagwort(e): Fischer–Tropsch synthesis ; iron catalyst ; active phase of iron ; activation of iron catalyst

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract The equilibrium phase compositions of iron have been calculated for gas compositions that could be encountered during the Fischer–Tropsch synthesis. The gas compositions measured experimentally for CO conversion levels in the 30–90% range show that iron should be present as the carbide phase. However, experimental characterization of iron catalysts show that a significant fraction of the iron is present as Fe3O4 following synthesis for several days. A model that can account for the experimental catalyst phase composition and the gases present in the reactor would have a core of Fe3O4 and an outer layer of iron carbides.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1019176403861

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