Results 161 to 170 of about 13,522 (202)

Catalysis by Metal-Oxide Nanostructures. [PDF]

Nanomaterials (Basel)
Carabineiro SAC.
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88 VPO en Ramón y Cajal

, 2010
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The politics of public provision of education. [PDF]

Levy, Gilat
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245 VPO en El Porvenir, Sevilla

, 2006
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VPO Transient Oxidation Kinetics

International Journal of Chemical Reactor Engineering, 2006
Transient and steady state reactor data for the partial oxidation of butane to maleic anhydride were collected in a fluid bed over DuPont commercial vanadium pyrophosphate catalyst (VPO) principally under butane rich, oxygen deficient operating conditions.
Gregory S. Patience, Maria-Jesus Lorences   +1 more
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VPO transient lattice oxygen contribution

Catalysis Today, 2006
Abstract n -Butane partial oxidation to maleic anhydride is practiced commercially in several reactor types with vanadium phosphorous oxide (VPO) catalyst. DuPont operated a Circulating Fluidized Bed facility in which catalyst was shuttled between a net reducing zone (a transport bed) to a net oxidizing zone (air regenerator).
M.J. Lorences, G.S. Patience, R. Cenni, F. Díez, J. Coca   +4 more
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International VPO Workshop: Preface

Applied Catalysis A: General, 2010
This special issue of Applied Catalysis highlights a research collaboration devoted to vanadium phosphorus oxide (VPO) catalysts from a very broad perspective including catalyst synthesis and characterization, reactor engineering and new applications beyond n-butane partial oxidation to maleic anhydride (MA).
Gregory S. Patience, Elisabeth Bordes-Richard   +1 more
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Pressure Calcination of VPO Catalyst

Industrial & Engineering Chemistry Research, 2007
Calcination and activation are critical steps in the transformation of vanadyl hydrogen phosphate hemihydrate (VPO precursorVOHPO4·0.5H2O) to vanadyl pyrophosphate (VPO catalyst(VO)2P2O7). Whereas many published kinetics studies for butane oxidation over VPO demonstrate the relationship between catalytic activity and reaction conditions, the ...
Gregory S. Patience, Richard E. Bockrath, John D. Sullivan, Harold S. Horowitz   +3 more
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Attrition resistance of a VPO catalyst

Applied Catalysis A: General, 2010
The attrition propensity of used and fresh vanadium phosphorous oxide (VPO) catalyst subjected to mechanical stress in a gas cyclone and in a bubbling-fluidized bed with and without submerged gas jet has been investigated. Attrition models for the investigated sources of attrition have been adopted from literature.
A. Thon, J. Werther
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