Synthesis of MoVTeNb Oxide Catalysts with Tunable Particle Dimensions

Reliable procedures for the controlled synthesis of phase‐pure MoVTeNb mixed oxides with M1 structure (ICSD 55097) and tunable crystal dimensions were developed to study the structure sensitivity of the selective oxidation of propane to acrylic acid. A series of powdered M1 catalysts was successfully prepared on a gram scale by using a hydrothermal‐based route, purification of biphasic M1‐M2 (M2 phase – ICSD 55098) oxide systems, and an innovative approach utilizing a superheated water vapor treatment of calcined precursors. The influence of the preparation technique on the particle morphology and the size is discussed. Detailed experimental studies highlight that the as‐derived catalytic materials were indeed phase‐pure and compositionally uniform MoVTeNb oxide M1 powders, composed of single‐crystalline and structural defect‐free crystals grown along the c axis. The morphologically different catalysts were studied in the selective oxidation of propane to acrylic acid, revealing that active sites appear on the entire M1 surface and illustrating the high sensitivity of catalyst performance on the catalyst synthesis method.

[1]  M. Bañares,et al.  Bulk mixed Mo–V–Te–O catalysts for propane oxidation to acrylic acid , 2004 .

[2]  J. Nieto,et al.  Selective oxidative dehydrogenation of ethane on MoVTeNbO mixed metal oxide catalysts , 2004 .

[3]  P. Concepción,et al.  Selective oxidation of short-chain alkanes over hydrothermally prepared MoVTeNbO catalysts , 2006 .

[4]  R. Grasselli,et al.  Active centers in Mo-V-Nb-Te-Ox (amm)oxidation catalysts , 2004 .

[5]  T. Vogt,et al.  Comparison of MoVTaTeO and MoVNbTeO M1 crystal chemistry , 2006 .

[6]  G. Centi,et al.  New Aspects of the Mechanisms of Selective Oxidation and Structure/Activity Relationships , 2001 .

[7]  R. Schlögl,et al.  Dynamics of the MoVTeNb Oxide M1 Phase in Propane Oxidation , 2010 .

[8]  J. Nieto,et al.  Selective propane oxidation over MoVSbO catalysts. On the preparation, characterization and catalytic behavior of M1 phase , 2009 .

[9]  N. R. Shiju,et al.  Using Aberration-corrected STEM Imaging to Explore Chemical and Structural Variations in the M1 Phase of the MoVNbTeO Oxidation Catalyst , 2008, Microscopy and Microanalysis.

[10]  N. R. Shiju,et al.  M1 to M2 Phase Transformation and Phase Cooperation in Bulk Mixed Metal Mo–V–M–O (M=Te, Nb) Catalysts for Selective Ammoxidation of Propane , 2008 .

[11]  H. Tsuji,et al.  Synthesis of MoVNbTe(Sb)O(x) composite oxide catalysts via reduction of polyoxometalates in an aqueous medium. , 2002, Journal of the American Chemical Society.

[12]  P. H. Kasai,et al.  The oxidative dehydrogenation of ethane over catalysts containing mixed oxides of molybdenum and vanadium , 1978 .

[13]  W. Ueda,et al.  Structural organization of catalytic functions in Mo-based oxides for propane selective oxidation , 2004 .

[14]  J. Dubois,et al.  Characterization of tellurium in MoVTeNbO catalysts for propane oxidation or ammoxidation , 2002 .

[15]  W. Ueda,et al.  Hydrothermal synthesis of novel crystalline Mo-V-M-O (M = Al, Ga, Fe) mixed oxide in the presence of triethylammonium chloride and their catalytic performance for selective ethane oxidation , 2001 .

[16]  R. Schlögl,et al.  Preparation of Phase-Pure M1 MoVTeNb Oxide Catalysts by Hydrothermal Synthesis—Influence of Reaction Parameters on Structure and Morphology , 2008 .

[17]  Bernard Delmon,et al.  Studies in Surface Science and Catalysis , 1988 .

[18]  Tomokazu Kato,et al.  Key aspects of crystalline Mo-V-O-based catalysts active in the selective oxidation of propane , 2006 .

[19]  J. Dubois,et al.  Strategy in achieving propane selective oxidation over multi-functional Mo-based oxide catalysts , 2004 .

[20]  D. Su,et al.  Surface texturing of Mo–V–Te–Nb–Ox selective oxidation catalysts , 2006 .

[21]  J. Dubois,et al.  Propane Oxidation on MoVTeNbO Mixed Oxide Catalysts: Study of the Phase Composition of Active and Selective Catalysts , 2003 .

[22]  Yurii A. Chesalov,et al.  The investigation of chemical and phase composition of solid precursor of MoVTeNb oxide catalyst and its transformation during the thermal treatment , 2009 .

[23]  N. R. Shiju,et al.  Microwave-assisted hydrothermal synthesis of monophasic Mo-V-Te-Nb-O mixed oxide catalyst for the selective ammoxidation of propane. , 2007, ChemPhysChem.

[24]  Manhua Mandy Lin,et al.  Selective oxidation of propane to acrylic acid with molecular oxygen , 2001 .

[25]  F. Márquez,et al.  The Preparation, Characterization, and Catalytic Behavior of MoVTeNbO Catalysts Prepared by Hydrothermal Synthesis , 2002 .

[26]  R. Schlögl,et al.  Analysis of structural transformations during the synthesis of a MoVTeNb mixed oxide catalyst , 2006 .

[27]  J. Millet,et al.  Bulk oxidation state of the different cationic elements in the MoVTe(Sb)NbO catalysts for oxidation or ammoxidation of propane , 2005 .

[28]  M. Lin.  Complex metal-oxide catalysts for selective oxidation of propane and derivatives: I. Catalysts preparation and application in propane selective oxidation to acrylic acid , 2003 .

[29]  F. Cavani,et al.  Sustainability in catalytic oxidation: an alternative approach or a structural evolution? , 2009, ChemSusChem.

[30]  J. Oliver.  The effect of pH on structural and catalytic properties of MoVTeNbO catalysts , 2004 .

[31]  J. Holmberg,et al.  Catalytic behaviour of M1, M2, and M1/M2 physical mixtures of the Mo-V-Nb-Te-oxide system in propane and propene ammoxidation , 2004 .

[32]  T. Vogt,et al.  Structural Characterization of the Orthorhombic Phase M1 in MoVNbTeO Propane Ammoxidation Catalyst , 2003 .

[33]  T. Vogt,et al.  Structural aspects of the M1 and M2 phases in MoVNbTeO propane ammoxidation catalysts , 2004 .

[34]  C. O'connor,et al.  Recent advances in the liquid-phase syntheses of inorganic nanoparticles. , 2004, Chemical reviews.

[35]  Shirley Dex,et al.  JR 旅客販売総合システム（マルス）における運用及び管理について , 1991 .

[36]  R. Schlögl,et al.  How important is the (001) plane of M1 for selective oxidation of propane to acrylic acid , 2008 .

[37]  W. Ueda,et al.  Catalytic oxidative activation of light alkanes over Mo–V-based oxides having controlled surface , 2001 .

[38]  A. Martínez-Arias,et al.  Selective Oxidation of Propane to Acrylic Acid on MoVNbTe Mixed Oxides Catalysts Prepared by Hydrothermal Synthesis , 2001 .

[39]  J. Dubois,et al.  Mo-V-Te-(Nb)-O mixed metal oxides prepared by hydrothermal synthesis for catalytic selective oxidations of propane and propene to acrylic acid , 2003 .

[40]  Carl Eklund,et al.  National Institute for Standards and Technology , 2009, Encyclopedia of Biometrics.

[41]  M. Anne,et al.  Structure characterization of orthorhombic phase in MoVTeNbO catalyst by powder X-ray diffraction and XANES , 2007 .