The effect of adsorbed oxygen on the kinetics of chemical reactions on metal surfaces

Hayes, P. (1979) The effect of adsorbed oxygen on the kinetics of chemical reactions on metal surfaces. Metallurgical Transactions B, 10B 489-496. doi:10.1007/BF02662548


Author Hayes, P.
Title The effect of adsorbed oxygen on the kinetics of chemical reactions on metal surfaces
Journal name Metallurgical Transactions B
ISSN 0360-2141
1543-1916
Publication date 1979-01-01
Sub-type Article (original research)
DOI 10.1007/BF02662548
Open Access Status Not yet assessed
Volume 10B
Start page 489
End page 496
Total pages 8
Place of publication New York, NY, United States
Publisher Springer
Abstract The effects of adsorbed impurities on the kinetics of reactions on metal surfaces are discussed, in particular the reactions of water vapor and carbon dioxide with iron surfaces are analyzed. The critical oxygen potentials for the onset of ‘poisoning’ of the reactions appear to correspond with the onset of facetting of iron and the formation of surface phases on the iron. The maximum chemical reaction rate constants for the reactions of water vapor and of carbon dioxide on iron surfaces at a given temperature are shown to correspond closely to the chemical reaction rate constants determined from the reduction of iron oxides in their respective systems. The phenomena observed on the reaction of gases with iron and iron oxide surfaces are reported in other metal systems thus the analysis used for the present reactions appears to be applicable to other systems involving metal/gas reactions.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Chemical Engineering Publications
 
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Created: Wed, 16 Dec 2015, 01:22:56 EST by Vicki Thompson on behalf of School of Chemical Engineering