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dc.contributor.authorKeyvanloo, Kamyar
dc.contributor.authorHuang, Baiyu
dc.contributor.authorOkeson, Trent
dc.contributor.authorHamdeh, Hussein H.
dc.contributor.authorHecker, William C.
dc.date.accessioned2018-04-22T20:31:18Z
dc.date.available2018-04-22T20:31:18Z
dc.date.issued2018-02-12
dc.identifier.citationKeyvanloo, Kamyar; Huang, Baiyu; Okeson, Trent; Hamdeh, Hussein H.; Hecker, William C. 2018. Effect of support pretreatment temperature on the performance of an iron Fischer-Tropsch catalyst supported on silica-stabilized alumina. Catalysts, vol. 8:no. 2:article 77en_US
dc.identifier.issn2073-4344
dc.identifier.otherWOS:000427512900036
dc.identifier.urihttp://dx.doi.org/10.3390/catal8020077
dc.identifier.urihttp://hdl.handle.net/10057/14948
dc.descriptionThis is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).en_US
dc.description.abstractThe effect of support material pretreatment temperature, prior to adding the active phase and promoters, on Fischer-Tropsch activity and selectivity was explored. Four iron catalysts were prepared on silica-stabilized alumina (AlSi) supports pretreated at 700 degrees C, 900 degrees C, 1100 degrees C or 1200 degrees C. Addition of 5% silica to alumina made the AlSi material hydrothermally stable, which enabled the unusually high support pretreatment temperatures (>900 degrees C) to be studied. High-temperature dehydroxylation of the AlSi before impregnation greatly reduces FeO center dot Al2O3 surface spinel formation by removing most of the support-surface hydroxyl groups leading to more effectively carbided catalyst. The activity increases more than four-fold for the support calcined at elevated temperatures (1100-1200 degrees C) compared with traditional support calcination temperatures of <900 degrees C. This unique pretreatment also facilitates the formation of epsilon'-Fe2.2C rather than chi-Fe2.5C on the AlSi support, which shows an excellent correlation with catalyst productivity.en_US
dc.language.isoen_USen_US
dc.publisherMDPIen_US
dc.relation.ispartofseriesCatalysts;v.8:no.2:article77
dc.subjectFischer-Tropsch synthesisen_US
dc.subjectSupported iron catalysten_US
dc.subjectSilica-stabilized aluminaen_US
dc.subjectSupport pretreatment temperatureen_US
dc.subjectIron carbideen_US
dc.titleEffect of support pretreatment temperature on the performance of an iron Fischer-Tropsch catalyst supported on silica-stabilized aluminaen_US
dc.typeArticleen_US
dc.rights.holder© 1996-2018 MDPI (Basel, Switzerland) unless otherwise stateden_US


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