Kinetics of the Redox Reactions of the O2: Propylene:γ-Bismuth Molybdate System: A TAP Reactor Study

D. R. Coulson, P. L. Mills, K. Kourtakis, P. W.J.G. Wijnen, J. J. Lerou, L. E. Manzer

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In an attempt to better understand the interaction of oxygen and propylene with γ-bismuth molybdate (γ-Bi2MoO6), the approach of using a TAP (Temporal Analysis of Products) reactor to study these processes has been investigated. Previous approaches to the study of this system have involved processes that resulted in significant disruptions of the catalyst surfaces. In all cases, the redox processes involved amounts of oxidant or reductant equivalent to about a monolayer or more of coverage. In addition, the time scales of the processes examined were of the order of minutes. Several groups have reported that the reductions of γ-Bi2MoO6 by olefins proceed by different pathways. Recently, Glaeser and coworkers reported a model, based on a Raman IR study of reduced γ-Bi2MoO6, for these reductions where different oxygens of γ-Bi2MoO6 are involved in the oxidations of propylene and 1-butene.

Original languageEnglish (US)
Pages (from-to)2015-2018
Number of pages4
JournalStudies in Surface Science and Catalysis
Issue numberC
StatePublished - Jan 1 1993

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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