Comparative Study of S235 Steel Corrosion Inhibition by <i>Eucalyptus camaldulensis</i> and <i>Cyperus rotundus</i> Essential Oils in Hydrochloric Acid Solution

Khaly Cisse; Diadioly Gassama; Abdoulaye Thiam; El Hadji Barka Ndiaye; Momar Talla Gueye; Modou Fall

doi:doi:10.11648/j.ajpc.20211001.12

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Comparative Study of S235 Steel Corrosion Inhibition by Eucalyptus camaldulensis and Cyperus rotundus Essential Oils in Hydrochloric Acid Solution

Khaly Cisse, Diadioly Gassama, Abdoulaye Thiam, El Hadji Barka Ndiaye, Momar Talla Gueye, Modou Fall

Published in American Journal of Physical Chemistry (Volume 10, Issue 1)

Received: 23 February 2021 Accepted: 9 March 2021 Published: 12 April 2021

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Abstract

Synthetic compounds certainly exhibit good anticorrosive activity but also toxicity for humans and their environment. Because of these concerns, we turned to more environmentally friendly substances such as essential oils and of course other types of plant extracts. These products are considered green corrosion inhibitors. In this present study, we propose to make a comparative study of the inhibitory effect of extracts of two different essential oils, Eucalyptus camaldulensis (EC) and Cyperus rotundus (CR) on the corrosion of structural steel S235 in the medium 1 M hydrochloric acid. This inhibitory action was studied using potentiodynamic polarization measurements and electrochemical impedance spectroscopy. The GC-MS analysis of the essential oils extracts showed that EC contains 96.2% oxygenated terpenes (90.6% monoterpenes and 5.6% sesquiterpenes), whereas CR includes 78.1% oxygenated terpenes (70.6% sesquiterpenes and 7.5% monoterpenes). Polarization measurements indicate that EC and CR are mixed inhibitors. The experimental results gave an inhibition efficiency close to 78.9% for EC and 86.7% for CR for an inhibitor concentration of 4 gL^-1 at 293 K. The inhibition performances of these essential oils were correlated with their composition. The adsorption of the molecules of the oils responsible for the inhibition on the surface of the steel, in the hydrochloric acid solution, obeys the Langmuir adsorption isotherm. This present work has therefore shown that these two types of essential oils have a good inhibitory effectiveness on the corrosion of the metal S235 in 1M hydrochloric acid solution.

Published in	American Journal of Physical Chemistry (Volume 10, Issue 1)
DOI	10.11648/j.ajpc.20211001.12
Page(s)	6-15
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Corrosion, Essential Oil, Eucalyptus Camaldulensis, Cyperus Rotundus, S235 Steel, Langmuir Isotherm

References

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Khaly Cisse, Diadioly Gassama, Abdoulaye Thiam, El Hadji Barka Ndiaye, Momar Talla Gueye, et al. (2021). Comparative Study of S235 Steel Corrosion Inhibition by Eucalyptus camaldulensis and Cyperus rotundus Essential Oils in Hydrochloric Acid Solution. American Journal of Physical Chemistry, 10(1), 6-15. https://doi.org/10.11648/j.ajpc.20211001.12

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Khaly Cisse; Diadioly Gassama; Abdoulaye Thiam; El Hadji Barka Ndiaye; Momar Talla Gueye, et al. Comparative Study of S235 Steel Corrosion Inhibition by Eucalyptus camaldulensis and Cyperus rotundus Essential Oils in Hydrochloric Acid Solution. Am. J. Phys. Chem. 2021, 10(1), 6-15. doi: 10.11648/j.ajpc.20211001.12

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Khaly Cisse, Diadioly Gassama, Abdoulaye Thiam, El Hadji Barka Ndiaye, Momar Talla Gueye, et al. Comparative Study of S235 Steel Corrosion Inhibition by Eucalyptus camaldulensis and Cyperus rotundus Essential Oils in Hydrochloric Acid Solution. Am J Phys Chem. 2021;10(1):6-15. doi: 10.11648/j.ajpc.20211001.12

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@article{10.11648/j.ajpc.20211001.12,
  author = {Khaly Cisse and Diadioly Gassama and Abdoulaye Thiam and El Hadji Barka Ndiaye and Momar Talla Gueye and Modou Fall},
  title = {Comparative Study of S235 Steel Corrosion Inhibition by Eucalyptus camaldulensis and Cyperus rotundus Essential Oils in Hydrochloric Acid Solution},
  journal = {American Journal of Physical Chemistry},
  volume = {10},
  number = {1},
  pages = {6-15},
  doi = {10.11648/j.ajpc.20211001.12},
  url = {https://doi.org/10.11648/j.ajpc.20211001.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20211001.12},
  abstract = {Synthetic compounds certainly exhibit good anticorrosive activity but also toxicity for humans and their environment. Because of these concerns, we turned to more environmentally friendly substances such as essential oils and of course other types of plant extracts. These products are considered green corrosion inhibitors. In this present study, we propose to make a comparative study of the inhibitory effect of extracts of two different essential oils, Eucalyptus camaldulensis (EC) and Cyperus rotundus (CR) on the corrosion of structural steel S235 in the medium 1 M hydrochloric acid. This inhibitory action was studied using potentiodynamic polarization measurements and electrochemical impedance spectroscopy. The GC-MS analysis of the essential oils extracts showed that EC contains 96.2% oxygenated terpenes (90.6% monoterpenes and 5.6% sesquiterpenes), whereas CR includes 78.1% oxygenated terpenes (70.6% sesquiterpenes and 7.5% monoterpenes). Polarization measurements indicate that EC and CR are mixed inhibitors. The experimental results gave an inhibition efficiency close to 78.9% for EC and 86.7% for CR for an inhibitor concentration of 4 gL-1 at 293 K. The inhibition performances of these essential oils were correlated with their composition. The adsorption of the molecules of the oils responsible for the inhibition on the surface of the steel, in the hydrochloric acid solution, obeys the Langmuir adsorption isotherm. This present work has therefore shown that these two types of essential oils have a good inhibitory effectiveness on the corrosion of the metal S235 in 1M hydrochloric acid solution.},
 year = {2021}
}

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TY  - JOUR
T1  - Comparative Study of S235 Steel Corrosion Inhibition by Eucalyptus camaldulensis and Cyperus rotundus Essential Oils in Hydrochloric Acid Solution
AU  - Khaly Cisse
AU  - Diadioly Gassama
AU  - Abdoulaye Thiam
AU  - El Hadji Barka Ndiaye
AU  - Momar Talla Gueye
AU  - Modou Fall
Y1  - 2021/04/12
PY  - 2021
N1  - https://doi.org/10.11648/j.ajpc.20211001.12
DO  - 10.11648/j.ajpc.20211001.12
T2  - American Journal of Physical Chemistry
JF  - American Journal of Physical Chemistry
JO  - American Journal of Physical Chemistry
SP  - 6
EP  - 15
PB  - Science Publishing Group
SN  - 2327-2449
UR  - https://doi.org/10.11648/j.ajpc.20211001.12
AB  - Synthetic compounds certainly exhibit good anticorrosive activity but also toxicity for humans and their environment. Because of these concerns, we turned to more environmentally friendly substances such as essential oils and of course other types of plant extracts. These products are considered green corrosion inhibitors. In this present study, we propose to make a comparative study of the inhibitory effect of extracts of two different essential oils, Eucalyptus camaldulensis (EC) and Cyperus rotundus (CR) on the corrosion of structural steel S235 in the medium 1 M hydrochloric acid. This inhibitory action was studied using potentiodynamic polarization measurements and electrochemical impedance spectroscopy. The GC-MS analysis of the essential oils extracts showed that EC contains 96.2% oxygenated terpenes (90.6% monoterpenes and 5.6% sesquiterpenes), whereas CR includes 78.1% oxygenated terpenes (70.6% sesquiterpenes and 7.5% monoterpenes). Polarization measurements indicate that EC and CR are mixed inhibitors. The experimental results gave an inhibition efficiency close to 78.9% for EC and 86.7% for CR for an inhibitor concentration of 4 gL-1 at 293 K. The inhibition performances of these essential oils were correlated with their composition. The adsorption of the molecules of the oils responsible for the inhibition on the surface of the steel, in the hydrochloric acid solution, obeys the Langmuir adsorption isotherm. This present work has therefore shown that these two types of essential oils have a good inhibitory effectiveness on the corrosion of the metal S235 in 1M hydrochloric acid solution.
VL  - 10
IS  - 1
ER  -

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Author Information

Khaly Cisse

Department of Physics Chemistry, UFR Sciences & Technologies, University of Iba Der Thiam, Thies, Senegal
Diadioly Gassama

Department of Physics Chemistry, UFR Sciences & Technologies, University of Iba Der Thiam, Thies, Senegal
Abdoulaye Thiam

Department of Chemistry, Faculty of Sciences and Techniques, Cheikh Anta Diop University, Dakar, Senegal
El Hadji Barka Ndiaye

Department of Chemistry, Faculty of Sciences and Techniques, Cheikh Anta Diop University, Dakar, Senegal
Momar Talla Gueye

Laboratory of Phytosanitary Analyses, Institute of Food Technology, Dakar, Senegal
Modou Fall

Department of Chemistry, Faculty of Sciences and Techniques, Cheikh Anta Diop University, Dakar, Senegal

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Khaly Cisse, Diadioly Gassama, Abdoulaye Thiam, El Hadji Barka Ndiaye, Momar Talla Gueye, et al. (2021). Comparative Study of S235 Steel Corrosion Inhibition by Eucalyptus camaldulensis and Cyperus rotundus Essential Oils in Hydrochloric Acid Solution. American Journal of Physical Chemistry, 10(1), 6-15. https://doi.org/10.11648/j.ajpc.20211001.12

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Khaly Cisse; Diadioly Gassama; Abdoulaye Thiam; El Hadji Barka Ndiaye; Momar Talla Gueye, et al. Comparative Study of S235 Steel Corrosion Inhibition by Eucalyptus camaldulensis and Cyperus rotundus Essential Oils in Hydrochloric Acid Solution. Am. J. Phys. Chem. 2021, 10(1), 6-15. doi: 10.11648/j.ajpc.20211001.12

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Khaly Cisse, Diadioly Gassama, Abdoulaye Thiam, El Hadji Barka Ndiaye, Momar Talla Gueye, et al. Comparative Study of S235 Steel Corrosion Inhibition by Eucalyptus camaldulensis and Cyperus rotundus Essential Oils in Hydrochloric Acid Solution. Am J Phys Chem. 2021;10(1):6-15. doi: 10.11648/j.ajpc.20211001.12

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@article{10.11648/j.ajpc.20211001.12,
  author = {Khaly Cisse and Diadioly Gassama and Abdoulaye Thiam and El Hadji Barka Ndiaye and Momar Talla Gueye and Modou Fall},
  title = {Comparative Study of S235 Steel Corrosion Inhibition by Eucalyptus camaldulensis and Cyperus rotundus Essential Oils in Hydrochloric Acid Solution},
  journal = {American Journal of Physical Chemistry},
  volume = {10},
  number = {1},
  pages = {6-15},
  doi = {10.11648/j.ajpc.20211001.12},
  url = {https://doi.org/10.11648/j.ajpc.20211001.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20211001.12},
  abstract = {Synthetic compounds certainly exhibit good anticorrosive activity but also toxicity for humans and their environment. Because of these concerns, we turned to more environmentally friendly substances such as essential oils and of course other types of plant extracts. These products are considered green corrosion inhibitors. In this present study, we propose to make a comparative study of the inhibitory effect of extracts of two different essential oils, Eucalyptus camaldulensis (EC) and Cyperus rotundus (CR) on the corrosion of structural steel S235 in the medium 1 M hydrochloric acid. This inhibitory action was studied using potentiodynamic polarization measurements and electrochemical impedance spectroscopy. The GC-MS analysis of the essential oils extracts showed that EC contains 96.2% oxygenated terpenes (90.6% monoterpenes and 5.6% sesquiterpenes), whereas CR includes 78.1% oxygenated terpenes (70.6% sesquiterpenes and 7.5% monoterpenes). Polarization measurements indicate that EC and CR are mixed inhibitors. The experimental results gave an inhibition efficiency close to 78.9% for EC and 86.7% for CR for an inhibitor concentration of 4 gL-1 at 293 K. The inhibition performances of these essential oils were correlated with their composition. The adsorption of the molecules of the oils responsible for the inhibition on the surface of the steel, in the hydrochloric acid solution, obeys the Langmuir adsorption isotherm. This present work has therefore shown that these two types of essential oils have a good inhibitory effectiveness on the corrosion of the metal S235 in 1M hydrochloric acid solution.},
 year = {2021}
}

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TY  - JOUR
T1  - Comparative Study of S235 Steel Corrosion Inhibition by Eucalyptus camaldulensis and Cyperus rotundus Essential Oils in Hydrochloric Acid Solution
AU  - Khaly Cisse
AU  - Diadioly Gassama
AU  - Abdoulaye Thiam
AU  - El Hadji Barka Ndiaye
AU  - Momar Talla Gueye
AU  - Modou Fall
Y1  - 2021/04/12
PY  - 2021
N1  - https://doi.org/10.11648/j.ajpc.20211001.12
DO  - 10.11648/j.ajpc.20211001.12
T2  - American Journal of Physical Chemistry
JF  - American Journal of Physical Chemistry
JO  - American Journal of Physical Chemistry
SP  - 6
EP  - 15
PB  - Science Publishing Group
SN  - 2327-2449
UR  - https://doi.org/10.11648/j.ajpc.20211001.12
AB  - Synthetic compounds certainly exhibit good anticorrosive activity but also toxicity for humans and their environment. Because of these concerns, we turned to more environmentally friendly substances such as essential oils and of course other types of plant extracts. These products are considered green corrosion inhibitors. In this present study, we propose to make a comparative study of the inhibitory effect of extracts of two different essential oils, Eucalyptus camaldulensis (EC) and Cyperus rotundus (CR) on the corrosion of structural steel S235 in the medium 1 M hydrochloric acid. This inhibitory action was studied using potentiodynamic polarization measurements and electrochemical impedance spectroscopy. The GC-MS analysis of the essential oils extracts showed that EC contains 96.2% oxygenated terpenes (90.6% monoterpenes and 5.6% sesquiterpenes), whereas CR includes 78.1% oxygenated terpenes (70.6% sesquiterpenes and 7.5% monoterpenes). Polarization measurements indicate that EC and CR are mixed inhibitors. The experimental results gave an inhibition efficiency close to 78.9% for EC and 86.7% for CR for an inhibitor concentration of 4 gL-1 at 293 K. The inhibition performances of these essential oils were correlated with their composition. The adsorption of the molecules of the oils responsible for the inhibition on the surface of the steel, in the hydrochloric acid solution, obeys the Langmuir adsorption isotherm. This present work has therefore shown that these two types of essential oils have a good inhibitory effectiveness on the corrosion of the metal S235 in 1M hydrochloric acid solution.
VL  - 10
IS  - 1
ER  -

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