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Title

Niobia-supported nanoscaled bulk-NiO catalysts for the ammoxidation of ethane into acetonitrile

AuthorsRojas García, Elizabeth; Guerrero Pérez, María Olga ; Bañares González, Miguel Ángel
KeywordsAmmoxidation
Acetonitrile
Niobic acid
Ethane
Supported-nickel catalysts
Issue DateJan-2013
PublisherSpringer
CitationCatalysis Letters 143(1): 31-42 (2013)
AbstractTwo series of supported nanoscaled NiO catalysts have been prepared using Nb2O5 supports with different surface areas. NiO nanoparticles interacting with Ni–O–Nb mixed phases are active and selective for ethane ammoxidation; both are required in order to have an active and selective catalyst. In this paper we report the dispersion of NiO nanoparticles on two Nb2O5 supports in order to generate an active phase for ethane ammoxidation. The use of a support stabilizes NiO nanoparticles, which otherwise would sinter. This work shows how the activity can be modulated by the size of the NiO nanoparticles and by the NiO/Ni–Nb–O ratio, which depends on the nickel coverage and support surface area. The catalysts obtained are very promising for ethane ammoxidation reaction.
Publisher version (URL)https://doi.org/10.1007/s10562-012-0937-7
URIhttp://hdl.handle.net/10261/182790
DOI10.1007/s10562-012-0937-7
ISSN1011-372X
E-ISSN1572-879X
Appears in Collections:(ICP) Artículos
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