Poisoning of cobalt catalyst used for Fischer–Tropsch synthesis

•Threshold sulfur concentration for catalyst poisoning.•Reversible poisoning for low-level sulfur.•Low-level sulfur promotion of catalytic activity. Sulfur in the form of H2S has been added at various concentration levels during cobalt Fischer–Tropsch synthesis. A steady-state FTS conversion was est...

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Bibliographic Details
Published in:Catalysis today 2013-10, Vol.215, p.67-72
Main Authors: Sparks, Dennis E., Jacobs, Gary, Gnanamani, Muthu Kumaran, Pendyala, Venkat Ramana Rao, Ma, Wenping, Kang, Jungshik, Shafer, Wilson D., Keogh, Robert A., Graham, Ursula M., Gao, Pei, Davis, Burtron H.
Format: Article
Language:English
Subjects:
Catalysis
Catalyst poison
catalytic activity
Chemistry
cobalt
Cobalt catalyst
Exact sciences and technology
Fischer–Tropsch synthesis
General and physical chemistry
Hydrogen sulfide
sulfur
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Threshold poisoning level
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Summary:•Threshold sulfur concentration for catalyst poisoning.•Reversible poisoning for low-level sulfur.•Low-level sulfur promotion of catalytic activity. Sulfur in the form of H2S has been added at various concentration levels during cobalt Fischer–Tropsch synthesis. A steady-state FTS conversion was established prior to adding H2S. At low levels (
ISSN:0920-5861
1873-4308
DOI:10.1016/j.cattod.2013.01.011