Nanoscaled rutile active phase in Mo–V–Nb–O supported catalysts for the oxidation of propane to acrylic acid
作者： Ricardo López-Medina , J.L.G. Fierro , M. Olga Guerrero-Pérez , Miguel A. Bañares
DOI: 10.1016/J.APCATA.2009.12.017
关键词: Acrylic acid 、 Inorganic chemistry 、 Molybdenum 、 Oxidizing agent 、 Catalysis 、 Rutile 、 Calcination 、 Oxide 、 Propane 、 Chemistry
摘要: Abstract Alumina-stabilized nanosized rutile Mo–V–Nb–O oxide phases are prepared, characterized and used for the selective oxidation of propane to acrylic acid. Coverage on alumina support, atomic Mo/V molar ratio calcination conditions (inert vs. oxidizing) affect structure catalytic performance. The effect is opposite depending atmosphere. Segregated molybdenum oxides not efficient while partially reduced rutile-type mixed molybdenum–vanadium conversion Niobium species would have a structural effect, stabilizing phases.
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sci-hub.se 参考文章(53)
M. Baca, A. Pigamo, J.L. Dubois, J.M.M. Millet, Propane Oxidation on MoVTeNbO Mixed Oxide Catalysts: Study of the Phase Composition of Active and Selective Catalysts Topics in Catalysis. ,vol. 23, pp. 39- 46 ,(2003) , 10.1023/A:1024864118695
Wolfgang Gruenert, A. Yu. Stakheev, Reinhard Feldhaus, Klaus Anders, E. S. Shpiro, Kh. M. Minachev, Analysis of molybdenum(3d) XPS spectra of supported molybdenum catalysts: an alternative approach The Journal of Physical Chemistry. ,vol. 95, pp. 1323- 1328 ,(1991) , 10.1021/J100156A054
M Dieterle, G Mestl, J Jäger, Y Uchida, H Hibst, R Schlögl, Mixed molybdenum oxide based partial oxidation catalyst: 2. Combined X-ray diffraction, electron microscopy and Raman investigation of the phase stability of (MoVW)5O14-type oxides Journal of Molecular Catalysis A-chemical. ,vol. 174, pp. 169- 185 ,(2001) , 10.1016/S1381-1169(01)00074-7
Miguel A. Bañares, Gerhard Mestl, Chapter 2 Structural Characterization of Operating Catalysts by Raman Spectroscopy Advances in Catalysis. ,vol. 52, pp. 43- 128 ,(2009) , 10.1016/S0360-0564(08)00002-3
R. Schlögl, A. Knop-Gericke, M. Hävecker, U. Wild, D. Frickel, T. Ressler, R.E. Jentoft, J. Wienold, G. Mestl, A. Blume, O. Timpe, Y. Uchida, In situ analysis of metal-oxide systems used for the selective oxidation catalysis: how essential is chemical complexity? Topics in Catalysis. ,vol. 15, pp. 219- 228 ,(2001) , 10.1023/A:1016696400146
Johan Holmberg, Robert K. Grasselli, Arne Andersson, A study of the functionalities of the phases in Mo-V-Nb-Te oxides for propane ammoxidation Topics in Catalysis. ,vol. 23, pp. 55- 63 ,(2003) , 10.1023/A:1024868219603
P. Botella, A. Dejoz, M.C. Abello, M.I. Vázquez, L. Arrúa, J.M. López Nieto, Selective oxidation of ethane: Developing an orthorhombic phase in Mo―V―X (X = Nb, Sb, Te) mixed oxides Catalysis Today. ,vol. 142, pp. 272- 277 ,(2009) , 10.1016/J.CATTOD.2008.09.016
M. A. Bañares, I. E. Wachs, Molecular structures of supported metal oxide catalysts under different environments Journal of Raman Spectroscopy. ,vol. 33, pp. 359- 380 ,(2002) , 10.1002/JRS.866
R. Nilsson, T. Lindblad, A. Andersson, Ammoxidation of Propane over Antimony-Vanadium-Oxide Catalysts Journal of Catalysis. ,vol. 148, pp. 501- 513 ,(1994) , 10.1006/JCAT.1994.1236
A. Bielański, M. Najbar, V2O5MoO3 catalysts for benzene oxidation Applied Catalysis A: General. ,vol. 157, pp. 223- 261 ,(1997) , 10.1016/S0926-860X(97)00018-5