Temperature-programmed hydrogenation/oxidation and preteatments effects studies of Fischer-Tropsch synthesis over Co/Al2O3 catalyst

Z. Pan, D. B. Bukur

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The catalytic performance of cobalt supported on alumina catalyst after CO or synthesis gas pretreatments was studied. During Fischer-Tropsch synthesis (FTS), CO conversion and C5+ selectivity were low whereas CH4 selectivity was high with catalysts after COITA250 and CO-ITA350 pretreatments, respectively. Catalyst after CO-ITA350 showed high active cobalt phase, however, the other major cobalt phase (Co3C) did not catalyze FTS. Synthesis gas pretreatment (Syngas-250) following CO-ITA 250 resulted in significant decrease of CH4 selectivity and increase of C5+ selectivity but had a neglibible effect on CO conversion. Synthesis gas activated catalyst (Syngas-ITA350) had higher activity than the CO activated catalyst (CO-ITA350) attributed to the presence of cobalt (hcp) and (fcc) phases, whereas CH4 selectivity decreased slightly. This is an abstract of a paper presented at the CHISA 2012 - 20th International Congress of Chemical and Process Engineering and PRES 2012 - 15th Conference PRES (Prague, Czech Republic 8/25-29/2012).

Original languageEnglish
Title of host publicationCHISA 2012 - 20th International Congress of Chemical and Process Engineering and PRES 2012 - 15th Conference PRES
Publication statusPublished - 2012
Event20th International Congress of Chemical and Process Engineering, CHISA 2012 and 15th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction, PRES 2012 - Prague, Czech Republic
Duration: 25 Aug 201229 Aug 2012

Other

Other20th International Congress of Chemical and Process Engineering, CHISA 2012 and 15th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction, PRES 2012
CountryCzech Republic
CityPrague
Period25/8/1229/8/12

Fingerprint

Fischer-Tropsch synthesis
Carbon Monoxide
Hydrogenation
Synthesis gas
Cobalt
Oxidation
Catalysts
Temperature
Catalyst selectivity
Process engineering
Chemical engineering
Catalyst activity
Alumina
Aluminum Oxide

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)

Cite this

Pan, Z., & Bukur, D. B. (2012). Temperature-programmed hydrogenation/oxidation and preteatments effects studies of Fischer-Tropsch synthesis over Co/Al2O3 catalyst. In CHISA 2012 - 20th International Congress of Chemical and Process Engineering and PRES 2012 - 15th Conference PRES

Temperature-programmed hydrogenation/oxidation and preteatments effects studies of Fischer-Tropsch synthesis over Co/Al2O3 catalyst. / Pan, Z.; Bukur, D. B.

CHISA 2012 - 20th International Congress of Chemical and Process Engineering and PRES 2012 - 15th Conference PRES. 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pan, Z & Bukur, DB 2012, Temperature-programmed hydrogenation/oxidation and preteatments effects studies of Fischer-Tropsch synthesis over Co/Al2O3 catalyst. in CHISA 2012 - 20th International Congress of Chemical and Process Engineering and PRES 2012 - 15th Conference PRES. 20th International Congress of Chemical and Process Engineering, CHISA 2012 and 15th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction, PRES 2012, Prague, Czech Republic, 25/8/12.
Pan Z, Bukur DB. Temperature-programmed hydrogenation/oxidation and preteatments effects studies of Fischer-Tropsch synthesis over Co/Al2O3 catalyst. In CHISA 2012 - 20th International Congress of Chemical and Process Engineering and PRES 2012 - 15th Conference PRES. 2012
Pan, Z. ; Bukur, D. B. / Temperature-programmed hydrogenation/oxidation and preteatments effects studies of Fischer-Tropsch synthesis over Co/Al2O3 catalyst. CHISA 2012 - 20th International Congress of Chemical and Process Engineering and PRES 2012 - 15th Conference PRES. 2012.
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N2 - The catalytic performance of cobalt supported on alumina catalyst after CO or synthesis gas pretreatments was studied. During Fischer-Tropsch synthesis (FTS), CO conversion and C5+ selectivity were low whereas CH4 selectivity was high with catalysts after COITA250 and CO-ITA350 pretreatments, respectively. Catalyst after CO-ITA350 showed high active cobalt phase, however, the other major cobalt phase (Co3C) did not catalyze FTS. Synthesis gas pretreatment (Syngas-250) following CO-ITA 250 resulted in significant decrease of CH4 selectivity and increase of C5+ selectivity but had a neglibible effect on CO conversion. Synthesis gas activated catalyst (Syngas-ITA350) had higher activity than the CO activated catalyst (CO-ITA350) attributed to the presence of cobalt (hcp) and (fcc) phases, whereas CH4 selectivity decreased slightly. This is an abstract of a paper presented at the CHISA 2012 - 20th International Congress of Chemical and Process Engineering and PRES 2012 - 15th Conference PRES (Prague, Czech Republic 8/25-29/2012).

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