Deactivation Mechanism of a Au/CeZrO4 Catalyst During a Low-Temperature Water Gas Shift Reaction

  • Goguet A
  • Burch R
  • Chen Y
 et al. 
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Abstract

On-stream deactivation during a water gas shift (WGS) reaction over gold supported on a ceria-zirconia catalyst was examined. Although the fresh catalyst has very high low temperature (250 �C. This process reduces the metal-support interaction, which is considered to be critical in determining the high activity of the catalyst. � 2007 American Chemical Society

Author-supplied keywords

  • 110
  • ACTIVE CATALYST
  • ATOM
  • ATOMS
  • BOND
  • CA
  • CATALYSTS
  • CERIA
  • CERIUM
  • CHEMISTRY
  • CO
  • CO CONVERSION
  • CONVERSION
  • Ceria zirconia
  • Chemical
  • D
  • DEACTIVATION
  • DEACTIVATION MECHANISM
  • EXAFS
  • GA
  • GAS
  • GAS SHIFT
  • GAS SHIFT CATALYSTS
  • GAS SHIFT REACTION
  • GAS-PHASE
  • GOLD
  • GOLD NANOPARTICLE
  • GOLD NANOPARTICLES
  • H
  • HYDROLYSIS
  • LIGHT
  • LOW-TEMPERATURE
  • MECHANISM
  • METAL SUPPORT INTERACTION
  • METAL-SUPPORT
  • METAL-SUPPORT INTERACTION
  • OPERATION
  • OXIDE
  • PARTICLE
  • PHASE
  • RADIUS
  • SCIENCE
  • SHIFT
  • SHIFT CATALYSTS
  • SHIFT REACTION
  • SPHERE
  • STATE
  • STEADY-STATE
  • SUPPORT
  • SUPPORTED GOLD
  • TECHNOLOGIES
  • TECHNOLOGY
  • TEMPERATURE
  • Thermal
  • V
  • W
  • WATER
  • WATER-GAS-SHIFT
  • WGS
  • Y
  • active
  • activity
  • applications
  • catalysis
  • catalyst
  • catalytic
  • ceria-supported
  • ceria-zirconia
  • ceria-zirconia catalyst
  • combined
  • concentration
  • experimental
  • gas phase
  • high activity
  • industrial application
  • interaction
  • interface
  • low temperature
  • low-temperature water gas shift reaction
  • nanoparticle
  • nanoparticles
  • oxide support
  • particles
  • process
  • reaction
  • reaction condition
  • steady state
  • supported
  • water gas shift
  • water gas shift catalyst
  • water gas shift reaction
  • zirconia
  • zirconium

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Authors

  • A. Goguet

  • R. Burch

  • Y. Chen

  • C. Hardacre

  • P. Hu

  • R. W. Joyner

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