Pulse microcalorimetry study of methane dry reforming reaction on ni/ceria-zirconia catalyst

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Abstract

For Ni/CeZrO catalyst prepared in supercritical isopropanol main features of methane dry reforming reaction mechanism were studied by the pulse microcalorimetric technique. The reaction scheme is described by a step-wise redox mechanism with independent stages of CH4 transformation on Ni/support interface producing syngas with participation of support oxygen bridging species (the rate-limiting stage) and fast reoxidation of support sites by CO2 yielding CO regenerating reactive oxygen species.

Original languageEnglish
Article number268
Number of pages11
JournalCatalysts
Volume7
Issue number9
DOIs
Publication statusPublished - 12 Sep 2017

Keywords

  • Ceria-zirconia
  • Mechanism
  • Methane dry reforming
  • Pulse microcalorimetry
  • Synthesis in supercritical alcohol
  • OXIDATION
  • methane dry reforming
  • MECHANISM
  • pulse microcalorimetry
  • STATE
  • CO
  • ceria-zirconia
  • KINETICS
  • synthesis in supercritical alcohol
  • SURFACE
  • mechanism
  • CARBON-DIOXIDE
  • TRANSIENT

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