Comparison of The Corrosion Inhibition Efficiencies of Low Carbon Steel In Different Acidic Mediums Using Some Polyethylene Glycols

Authors

  • Jafar Ghani Majeed Material Engineering Department, College of Engineering, Al-Mustansiriyah University, Baghdad, Iraq Author
  • Basim Ajel Sadkhan Material Engineering Department, College of Engineering, Al-Mustansiriyah University, Baghdad, Iraq Author

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Abstract

The inhibition of corrosion of low carbon steel (LCS) using some polyethylene glycols (PEGs) in different acidic mediums by weight loss technique was investigated. The corrosion inhibition was performed in hydrochloric acid and sulphuric acid at different acid temperatures and acid concentrations, also at various polyethylene glycol concentrations and its average molecular weights. Results obtained reveal that PEG is an active inhibitor and shows very good corrosion inhibition efficiency (IE). The IE was found to vary with acid temperature, acid concentration, polyethylene glycol's concentration and average molecular weight. Also it was found that the corrosion inhibition behavior of PEG is greater in sulphuric acid than in hydrochloric acid. The adsorption of the inhibitor on the LCS surface is in agreement with Langmuir and Frumkin adsorption isotherms. The inhibition efficiencies are increased by increase of the inhibitor's concentration and average molecular weight, decreases with an increase in the concentration and temperature of the acid. 

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Published

2013-10-01

Issue

Vol. 17 No. 4 (2013): Journal of Engineering and Development

Section

Articles

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This work is licensed under a Creative Commons Attribution 4.0 International License.

The Journal of Engineering and Sustainable Development is an open-access journal that all contents are free of charge. Articles of this journal are licensed under the terms of the Creative Commons Attribution International Public License CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/legalcode) that licensees are unrestrictly allowed to search, download, share, distribute, print, or link to the full texts of the articles, crawl them for indexing and reproduce any medium of the articles provided that they give the author(s) proper credits (citation). The journal allows the author(s) to retain the copyright of their published article.
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How to Cite

Comparison of The Corrosion Inhibition Efficiencies of Low Carbon Steel In Different Acidic Mediums Using Some Polyethylene Glycols. (2013). Journal of Engineering and Sustainable Development, 17(4), 165-181. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/980

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