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Further insights into the effect of sulfur on the activity and selectivity of cobalt-based Fischer–Tropsch catalysts
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- Barrientos, Javier (author)
- KTH,Kemisk teknologi
- Montes, V. (author)
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- Boutonnet, Magali (author)
- KTH,Kemisk teknologi
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- (creator_code:org_t)
- Elsevier BV, 2016
- 2016
- English.
- In: Catalysis Today. - : Elsevier BV. - 0920-5861 .- 1873-4308. ; 275, s. 119-126
- Journal article (peer-reviewed)
Abstract
Subject headings
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- A sulfur poisoning study was performed by ex situ poisoning of a platinum-promoted cobalt/alumina catalyst with different sulfur amounts. The poisoned catalyst samples were tested at relevant Fischer–Tropsch reaction conditions and at the same CO conversion in order to evaluate the effect of sulfur on catalyst activity and product selectivity. It was found that the activity and the selectivity to long-chain hydrocarbons decrease with increasing sulfur content. Moreover, it was found that sulfur has no significant effect on the CO2 selectivity. It was also shown that sulfur significantly enhances olefin hydrogenation. Finally, a deactivation model relating the catalyst activity and the sulfur to cobalt active site ratio was proposed and used to describe the experimental results.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Kemiska processer (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)
Keyword
- Fischer–Tropsch
- Sulfur
- Cobalt
- Deactivation
- Selectivity
Publication and Content Type
- ref (subject category)
- art (subject category)
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