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Supercritical phase fischer‐tropsch synthesis: Catalyst pore‐size effect
Author(s) -
Fan Li,
Yokota Kohshiroh,
Fujimoto Kaoru
Publication year - 1992
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690381014
Subject(s) - catalysis , supercritical fluid , fischer–tropsch process , chemical engineering , particle size , product distribution , mass transfer , particle size distribution , chemistry , selectivity , diffusion , catalyst support , pellets , phase (matter) , materials science , chromatography , organic chemistry , thermodynamics , composite material , engineering , physics
The Fischer‐Tropsch synthesis reaction was conducted in a supercritical fluid medium using a fixed‐bed reactor. Tailor‐made catalyst supports which had sharp pore diameter distributions were prepared by the p H swing method. The relationships between the catalyst pore structure and the catalytic activity or the product distribution were studied. The influence of the catalyst pore size on the mass transfer of reactants and products was also characterized. The catalyst pore size affected not only catalytic activity but also product selectivity. The diffusion of reactants inside the catalyst pellets in the supercritical fluid media was simulated and the effects of catalyst pore size and catalyst particle size on catalytic performances were consistent with simulation results.