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  Towards Physical Descriptors of Active and Selective Catalysts for the Oxidation of n-Butane to Maleic Anhydride

Eichelbaum, M., Glaum, R., Hävecker, M., Wittich, K., Heine, C., Schwarz, H., et al. (2013). Towards Physical Descriptors of Active and Selective Catalysts for the Oxidation of n-Butane to Maleic Anhydride. ChemCatChem: heterogeneous & homogeneous & bio-catalysis, 5(8), 2318-2329. doi:10.1002/cctc.201200953.

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Eichelbaum et al 121221.pdf (beliebiger Volltext), 11MB
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 Urheber:
Eichelbaum, Maik1, Autor           
Glaum, Robert2, Autor
Hävecker, Michael1, 3, Autor           
Wittich, Knut2, Autor
Heine, Christian1, Autor           
Schwarz, Heiner1, Autor           
Dobner, Cornelia-Katharina4, Autor
Welker-Nieuwoudt, Cathrin4, Autor
Trunschke, Annette1, Autor           
Schlögl, Robert1, Autor           
Affiliations:
1Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              
2Institute for Inorganic Chemistry, University of Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn (Germany), ou_persistent22              
3Helmholtz-Zentrum Berlin fuer Materialien und Energy GmbH, Division Solar Energy Research, Elektronenspeicherring BESSY II, ou_persistent22              
4Process Research and Engineering, BASF SE, Carl-Bosch-Straße 38, 67056 Ludwigshafen (Germany), ou_persistent22              

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Schlagwörter: electron transport; heterogeneous catalysis; microwave chemistry; oxidation; vanadium
 Zusammenfassung: Based on our newly developed microwave cavity perturbation technique, the microwave conductivity of diverse vanadium(III), (IV), and (V) phosphate catalysts was measured under reaction conditions for the selective oxidation of n-butane. The conductivity response on the gas phase was identified as a very sensitive measure for the redox kinetics, reversibility, and stability of the samples, which are important prerequisites for highly selective and active catalysts. The sensitivity achieved by our method was comparable to surface-sensitive methods such as X-ray photoelectron spectroscopy, whereas more conventional analytic techniques such as X-ray diffractometry or Raman spectroscopy only indicated the stability of the bulk crystal phase under the same reaction conditions.

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Sprache(n): eng - English
 Datum: 2012-12-212013-05-142013-08
 Publikationsstatus: Erschienen
 Seiten: 13
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1002/cctc.201200953
 Art des Abschluß: -

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Titel: ChemCatChem : heterogeneous & homogeneous & bio-catalysis
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: Weinheim : Wiley-VCH
Seiten: - Band / Heft: 5 (8) Artikelnummer: - Start- / Endseite: 2318 - 2329 Identifikator: Anderer: 1867-3880
CoNE: https://pure.mpg.de/cone/journals/resource/1867-3880