Copper-promoted cobalt/titania nanorod catalyst for CO hydrogenation to hydrocarbons

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dc.contributor.authorKhan WU
dc.contributor.authorLi X
dc.contributor.authorBaharudin L
dc.contributor.authorYip ACK
dc.date.accessioned2021-02-03T00:54:27Z
dc.date.available2021-02-03T00:54:27Z
dc.date.issued2020en
dc.date.updated2020-12-30T09:04:43Z
dc.description.abstractThe effect of Cu on cobalt/titania nanorod (Co/TNR) catalysts for the promotion of carbon monoxide (CO) hydrogenation to hydrocarbons was investigated. Varying amounts of Cu (1.5- 6.0 wt%) were loaded onto the base Co/TNR catalyst using the deposition-precipitation method. Characterization by X-ray diffraction (XRD) revealed that the Cu particles were well dispersed over the Co/TNR catalysts. Characterizations by temperature-programmed desorption of hydrogen (H2-TPD) and carbon monoxide (CO-TPD) and temperatureprogrammed reduction in hydrogen (H2-TPR) proved the effect of the Cu promoter in the Co/TNR catalyst by its bimetal effect with Co, where the Co/TNR catalysts containing Cu generally showed a significant improvement in comparison with the base Co/TNR catalyst not containing the Cu promoter. The CO and H2 adsorption capacities and reducibility were optimal on the catalyst containing 1.5% Cu (1.5Cu-Co/TNR). This aligns well with the catalytic activity performance of all the catalysts, where the 1.5Cu-Co/TNR catalyst exhibited the best performance, yielding 16.8% CO conversion and 57.7% C5+ hydrocarbon selectivity at 240 ℃ and 5 bar.en
dc.identifier.citationKhan WU, Li X, Baharudin L, Yip ACK (2020). Copper-promoted cobalt/titania nanorod catalyst for CO hydrogenation to hydrocarbons. Catalysis Letters.en
dc.identifier.doihttp://doi.org/10.1007/s10562-020-03506-3
dc.identifier.issn1011-372X
dc.identifier.urihttps://hdl.handle.net/10092/101585
dc.language.isoen
dc.rightsAll rights reserved unless otherwise stateden
dc.rights.urihttp://hdl.handle.net/10092/17651en
dc.subjectcocatalystsen
dc.subjectCu promoteren
dc.subjectCoen
dc.subjecttitania nanorodsen
dc.subjectCO hydrogenationen
dc.subject.anzsrcFields of Research::40 - Engineering::4004 - Chemical engineeringen
dc.titleCopper-promoted cobalt/titania nanorod catalyst for CO hydrogenation to hydrocarbonsen
dc.typeJournal Articleen
uc.collegeFaculty of Engineering
uc.departmentChemical and Process Engineering
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