Effect of turbulent flow on the anodic and cathodic kinetics of API X52 steel corrosion in H2S containing solutions. A rotating cylinder electrode study

This work presents the electrochemical kinetics results measured during the corrosion of API X52 pipeline steel immersed in aqueous environments, containing dissolved hydrogen sulfide (H2S) under turbulent flow conditions. In order to control the turbulent flow conditions, a rotating cylinder electr...

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Bibliographic Details
Published in:Materials and corrosion 2007-07, Vol.58 (7), p.514-521
Main Authors: Galvan-Martinez, R., Mendoza-Flores, J., Duran-Romero, R., Genesca, J.
Format: Article
Language:English
Subjects:
API X52 steel
Applied sciences
Corrosion
Corrosion environments
Exact sciences and technology
flow
hydrogen sulfide
mass transfer
Metals. Metallurgy
RCE (rotating cylinder electrode)
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Summary:This work presents the electrochemical kinetics results measured during the corrosion of API X52 pipeline steel immersed in aqueous environments, containing dissolved hydrogen sulfide (H2S) under turbulent flow conditions. In order to control the turbulent flow conditions, a rotating cylinder electrode (RCE) was used. Five different rotation rates were studied: 0 (or static conditions), 1000, 3000, 5000 and 7000 rpm. It was found that the turbulent flow increases the corrosion rate and the corrosion mechanism for X52 steel exhibits a significant dependence on mass transfer on the cathodic kinetics.
ISSN:0947-5117
1521-4176
DOI:10.1002/maco.200604038