Non-random distribution of adsorbates on catalytic surfaces: The role of interactions between adsorbates

Kesava Rao Kaza, Sankaran Sundaresan

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

It has been repeatedly stressed in the literature that the commonly invoked assumption of a random distribution of adsorbates on the catalyst surface is suspect under certain operating conditions. Nonrandom distribution of the adsorbates can occur as a result of interaction between adsorbates and/or their inadequate mobility. We have studied the effect of adsorbate interactions on the rates and stability of catalytic reactions, and the salient features are outlined with several examples. An analysis of the thermodynamic data concerning the oxidation of SO2on platinum is presented within the framework of the proposed model.

Original languageEnglish (US)
Pages (from-to)333-355
Number of pages23
JournalChemical Engineering Communications
Volume32
Issue number6
DOIs
StatePublished - Jan 1985

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Keywords

  • Adsorbate interactions
  • Phase separation of adsorbates
  • Sulfur dioxide oxidation on noble metals

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