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    Green synthesis of Ni-Nb oxide catalysts for low-temperature oxidative dehydrogenation of ethane

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    Type
    Article
    Authors
    Zhu, Haibo
    Rosenfeld, Devon C.
    Anjum, Dalaver H. cc
    Caps, Valerie cc
    Basset, Jean-Marie cc
    KAUST Department
    Chemical Science Program
    Electron Microscopy
    KAUST Catalysis Center (KCC)
    Date
    2015-03-05
    Online Publication Date
    2015-03-05
    Print Publication Date
    2015-04-13
    Permanent link to this record
    http://hdl.handle.net/10754/575645
    
    Metadata
    Show full item record
    Abstract
    The straightforward solid-state grinding of a mixture of Ni nitrate and Nb oxalate crystals led to, after mild calcination (T<400°C), nanostructured Ni-Nb oxide composites. These new materials efficiently catalyzed the oxidative dehydrogenation (ODH) of ethane to ethylene at a relatively low temperature (T<300°C). These catalysts appear to be much more stable than the corresponding composites prepared by other chemical methods; more than 90% of their original intrinsic activity was retained after 50h with time on-stream. Furthermore, the stability was much less affected by the Nb content than in composites prepared by classical "wet" syntheses. These materials, obtained in a solvent-free way, are thus promising green and sustainable alternatives to the current Ni-Nb candidates for the low-temperature ODH of ethane.
    Citation
    Zhu, H., Rosenfeld, D. C., Anjum, D. H., Caps, V., & Basset, J.-M. (2015). Green Synthesis of Ni-Nb oxide Catalysts for Low-Temperature Oxidative Dehydrogenation of Ethane. ChemSusChem, 8(7), 1254–1263. doi:10.1002/cssc.201403181
    Sponsors
    The authors acknowledge financial support from The Dow Chemical Company.
    Publisher
    Wiley
    Journal
    ChemSusChem
    DOI
    10.1002/cssc.201403181
    PubMed ID
    25755222
    ae974a485f413a2113503eed53cd6c53
    10.1002/cssc.201403181
    Scopus Count
    Collections
    Articles; Chemical Science Program; KAUST Catalysis Center (KCC)

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