Monitoring batch treatment inhibitor performance continuously using electrochemical noise analysis

Tan, Y. J., Kinsella, B. and Bailey, S. 1997, Monitoring batch treatment inhibitor performance continuously using electrochemical noise analysis, British corrosion journal, vol. 32, no. 3, pp. 212-216.


Title Monitoring batch treatment inhibitor performance continuously using electrochemical noise analysis
Author(s) Tan, Y. J.
Kinsella, B.
Bailey, S.
Journal name British corrosion journal
Volume number 32
Issue number 3
Start page 212
End page 216
Total pages 5
Publisher Maney Publishing
Place of publication West Yorks, England
Publication date 1997
ISSN 0007-0599
Keyword(s) calculations
corrosion protection
electric resistance
electrochemistry
oil field equipment
performance
polarization
spectroscopy
spurious signal noise
Summary Electrochemical noise analysis (ENA) was used to monitor continuously the formation and deterioration processes of a commercial batch treatment inhibitor film of the type used for protecting against CO2 corrosion in oilfields; ENA was shown to be able to follow effectively the formation and deterioration processes of batch treatment inhibitor films. As an inhibitor film formed, the current noise amplitude decreased rapidly and the noise resistance Rn, which is deducible from the voltage and current noise records, was found to increase sharply. Conversely, as the inhibitor film deteriorated, the current noise amplitude increased rapidly and Rn decreased rapidly. In the corrosion inhibition system studied, the noise resistance was confirmed to be similar to the linear polarisation resistance. Based on the calculation of Rn on a continuous basis, a technique is proposed to study fast corrosion processes.
Language eng
Field of Research 091207 Metals and Alloy Materials
030604 Electrochemistry
030301 Chemical Characterisation of Materials
Socio Economic Objective 870302 Metals (e.g. Composites, Coatings, Bonding)
HERDC Research category C1.1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30047766

Document type: Journal Article
Collection: School of Engineering
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