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dc.contributor.authorSmoláková, Lucie
dc.contributor.authorBotková, Šárka
dc.contributor.authorČapek, Libor
dc.contributor.authorPriecel, Peter
dc.contributor.authorSołtysek, Agnieszka
dc.contributor.authorKout, Martin
dc.contributor.authorMatějová, Lenka
dc.date.accessioned2013-11-27T14:40:53Z
dc.date.available2013-11-27T14:40:53Z
dc.date.issued2013
dc.identifier.citationChinese Journal of Catalysis. 2013, vol. 34, issue 10, p. 1905-1913.cs
dc.identifier.issn0253-9837
dc.identifier.urihttp://hdl.handle.net/10084/101289
dc.description.abstractNi/Al2O3 catalysts for oxidative dehydrogenation (ODH) of ethane were prepared by impregnation of Al2O3 with nickel acetate or nickel nitrate, and by mechanical mixing of NiO and Al2O3. The Ni-based catalysts were characterized by N2 adsorption-desorption, X-ray diffraction, diffuse reflectance UV-visible diffuse reflectance spectroscopy, and temperature-programmed reduction of hydrogen. The results showed that formation of crystalline NiO particles with a size of < 8 nm and/or non-stoichiometric NiO species in the Ni/Al2O3 catalysts led to more active species in ODH of ethane under the investigated reaction conditions. In contrast, tetrahedral Ni species present in the catalysts led to higher selectivity for ethene. Formation of large crystalline NiO particles (22–32 nm) over Ni/Al2O3 catalysts decreased the selectivity for ethene.cs
dc.language.isoencs
dc.publisherElseviercs
dc.relation.ispartofseriesChinese Journal of Catalysiscs
dc.relation.urihttp://dx.doi.org/10.1016/S1872-2067(12)60672-Xcs
dc.rightsCopyright © 2013 Dalian Institute of Chemical Physics, the Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.cs
dc.subjectnickelcs
dc.subjectaluminacs
dc.subjectethanecs
dc.subjectoxidative dehydrogenationcs
dc.subjectnickel speciescs
dc.titlePrecursors of active Ni species in Ni/Al2O3 catalysts for oxidative dehydrogenation of ethanecs
dc.typearticlecs
dc.identifier.doi10.1016/S1872-2067(12)60672-X
dc.type.statusPeer-reviewedcs
dc.description.sourceWeb of Sciencecs
dc.description.volume34cs
dc.description.issue10cs
dc.description.lastpage1913cs
dc.description.firstpage1905cs
dc.identifier.wos000325601000016


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