Optimization of the Composition of an Imidazoline Corrosion Inhibitor for the Protection of Equipment in Carbon Dioxide-Rich and Acidic Environments

We examine the protective properties of imidazoline corrosion inhibitors with added thiourea and potassium iodide. A model of reservoir water saturated with carbon dioxide as well as hydrochloric and sulfamic acids were taken as aggressive media. The corrosion inhibition efficiency was evaluated usi...

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Bibliographic Details
Published in:Chemistry and technology of fuels and oils 2023, Vol.58 (6), p.952-956
Main Authors: Silin, M. A., Magadova, L. A., Poteshkina, K. A., Kotekhova, V. D., Fomina, A. S.
Format: Article
Language:English
Subjects:
Analysis
Carbon dioxide
Chemical inhibitors
Chemistry
Chemistry and Materials Science
Corrosion
Corrosion inhibitors
Geotechnical Engineering & Applied Earth Sciences
Imidazoline
Industrial Chemistry/Chemical Engineering
Mineral Resources
Optimization
Potassium iodide
Potassium iodides
Steel
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Summary:We examine the protective properties of imidazoline corrosion inhibitors with added thiourea and potassium iodide. A model of reservoir water saturated with carbon dioxide as well as hydrochloric and sulfamic acids were taken as aggressive media. The corrosion inhibition efficiency was evaluated using a gravimetric method under dynamic and static conditions in the carbon dioxide‑rich and acidic environments, respectively. The effect of individual compounds on the inhibition mechanism for metal was determined experimentally in media with different properties.
ISSN:0009-3092
1573-8310
DOI:10.1007/s10553-023-01474-z