REACTION RATE OSCILLATIONS DURING THE OXIDATION OF HYDROGEN ON NICKEL.

Z. Kurtanjek*, M. Sheintuch, D. Luss

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Measurements of contact potential difference (CPD) and effluent oxygen concentration were used to monitor oscillations in the surface state and reaction rate during the oxidation of hydrogen over a nickel plate in a continuous flow reactor. CPD measurements indicate that the system oscillates between and active state in which the reduced surface is covered mainly by chemisorbed oxygen and a less active oxidized state. Heat and mass transfer limitations affect the shape, amplitude and period of the oscillations. However, the oscillations do not disappear when transport limitations become negligible.

Original languageEnglish
Pages (from-to)374-377
Number of pages4
JournalBerichte der Bunsengesellschaft/Physical Chemistry Chemical Physics
Volume84
Issue number4
DOIs
StatePublished - 1980
Externally publishedYes

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