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Composition modulation of the fischer‐tropsch synthesis over a supported cobalt catalyst
Author(s) -
Khodadadi A. A.,
Hudgins R. R.,
Silveston P. L.
Publication year - 1996
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450740520
Subject(s) - fischer–tropsch process , cycling , olefin fiber , catalysis , cobalt , methane , syngas , molar ratio , diesel fuel , chemical engineering , chemistry , ethylene , composition (language) , carbon fibers , hydrocarbon , materials science , organic chemistry , selectivity , linguistics , philosophy , archaeology , composite number , engineering , composite material , history
Different cycling strategies are explored to see if carbon chain growth can be enhanced and methane formation suppressed. Of the strategies considered, bang‐bang cycling between H 2 and CO feeds substantially increased the consumption of CO and H 2 , but the formation of higher hydrocarbons and olefins was reduced. The best strategy for longer chain hydrocarbons suitable for jet or diesel fuels was found to be cycling between syngas mixtures. None of the cycling strategies was able to produce C 8+ or low‐molar mass olefin yields that matched yields found in steady‐state operation.