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Efficient quaternary ammonium salt as corrosion inhibitor for steel pickling in sulphuric acid media

H.A. El Dahan (H.A. El Dahan is based in the Department of Electrochemistry and Corrosion, National Research Center, Dokki, Cairo, Egypt.)
T.Y.S. Mohamed (T.Y.S. Mohamed is based in the Chemistry Department, Faculty of Science, Cairo University, Cairo, Egypt.)
S.A. Abo El‐Enin (S.A. Abo El‐Enin is based in the Pilot Plant Department, Department of Electrochemistry and Corrosion, National Research Center, Dokki, Cairo, Egypt.)

Anti-Corrosion Methods and Materials

ISSN: 0003-5599

Article publication date: 1 October 1999

533

Abstract

A study is carried out on the resistance to corrosion of mild steel in 5 per cent H2SO4 solutions at temperatures between 30 and 60°C. The effectiveness of quaternary ammonium salt used as corrosion inhibitor under the same experimental conditions was also investigated. Weight loss results and electrochemical data showed the good inhibiting action of the inhibitor, acting as anodic type. Thermodynamic parameters for adsorption of the compound are calculated using the Temkin adsorption isotherm.

Keywords

Citation

El Dahan, H.A., Mohamed, T.Y.S. and Abo El‐Enin, S.A. (1999), "Efficient quaternary ammonium salt as corrosion inhibitor for steel pickling in sulphuric acid media", Anti-Corrosion Methods and Materials, Vol. 46 No. 5, pp. 358-363. https://doi.org/10.1108/00035599910295571

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MCB UP Ltd

Copyright © 1999, MCB UP Limited

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