Corrosion inhibition of aluminum in a diesel–biodiesel fuel blend using Thymus vulgaris

The use of Thymus vulgaris extract as a green corrosion inhibitor for aluminum in a 20% biodiesel–80% diesel blend has been evaluated using gravimetric and electrochemical techniques, such as linear polarization resistance (LPR), electrochemical impedance spectroscopy (EIS), and electrochemical nois...

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Main Authors: Devi A. Nogueron Benitez, Ana K. Larios Galvez, Roy Lopez Sesenes, America M. Ramirez Arteaga, José G. Gonzalez Rodriguez
Format: Article
Language:English
Published: Taylor & Francis Group 2025-12-01
Series:Green Chemistry Letters and Reviews
Subjects:
Online Access:https://www.tandfonline.com/doi/10.1080/17518253.2025.2525085
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author Devi A. Nogueron Benitez
Ana K. Larios Galvez
Roy Lopez Sesenes
America M. Ramirez Arteaga
José G. Gonzalez Rodriguez
author_facet Devi A. Nogueron Benitez
Ana K. Larios Galvez
Roy Lopez Sesenes
America M. Ramirez Arteaga
José G. Gonzalez Rodriguez
author_sort Devi A. Nogueron Benitez
collection DOAJ
description The use of Thymus vulgaris extract as a green corrosion inhibitor for aluminum in a 20% biodiesel–80% diesel blend has been evaluated using gravimetric and electrochemical techniques, such as linear polarization resistance (LPR), electrochemical impedance spectroscopy (EIS), and electrochemical noise (EN). Additionally, Fourier transform infrared spectroscopy (FTIR) and Gas chromatography-mass spectrometry (GC-MS) analytical techniques were used to characterize both the biodiesel obtained from canola oil and the inhibitor. The results have shown that Thymus vulgaris decreases the Al corrosion rate in the blend due to its physical adsorption onto the metal, according to a Langmuir adsorption isotherm. Its corrosion efficiency increases with an increase in its concentration. The corrosion mechanism was under charge transfer control and was not affected by the addition of the inhibitor or time. The uniform corrosion rateand the localized type of corrosion decrease by the addition of the inhibitor. The main compounds responsible for the anticorrosion properties of Thymus vulgaris include carvacrol and thymol.
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institution Kabale University
issn 1751-8253
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language English
publishDate 2025-12-01
publisher Taylor & Francis Group
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series Green Chemistry Letters and Reviews
spelling doaj-art-1e6447d48a2b4b82971e8d7a489f26a62025-08-20T03:30:56ZengTaylor & Francis GroupGreen Chemistry Letters and Reviews1751-82531751-71922025-12-0118110.1080/17518253.2025.2525085Corrosion inhibition of aluminum in a diesel–biodiesel fuel blend using Thymus vulgarisDevi A. Nogueron Benitez0Ana K. Larios Galvez1Roy Lopez Sesenes2America M. Ramirez Arteaga3José G. Gonzalez Rodriguez4CIICAp, Universidad Autonoma del Estado de Morelos, Cuernavaca, MexicoCIICAp, Universidad Autonoma del Estado de Morelos, Cuernavaca, MexicoFCQeI, Universidad Autonoma del Estado de Morelos, Cuernavaca, MexicoFCQeI, Universidad Autonoma del Estado de Morelos, Cuernavaca, MexicoCIICAp, Universidad Autonoma del Estado de Morelos, Cuernavaca, MexicoThe use of Thymus vulgaris extract as a green corrosion inhibitor for aluminum in a 20% biodiesel–80% diesel blend has been evaluated using gravimetric and electrochemical techniques, such as linear polarization resistance (LPR), electrochemical impedance spectroscopy (EIS), and electrochemical noise (EN). Additionally, Fourier transform infrared spectroscopy (FTIR) and Gas chromatography-mass spectrometry (GC-MS) analytical techniques were used to characterize both the biodiesel obtained from canola oil and the inhibitor. The results have shown that Thymus vulgaris decreases the Al corrosion rate in the blend due to its physical adsorption onto the metal, according to a Langmuir adsorption isotherm. Its corrosion efficiency increases with an increase in its concentration. The corrosion mechanism was under charge transfer control and was not affected by the addition of the inhibitor or time. The uniform corrosion rateand the localized type of corrosion decrease by the addition of the inhibitor. The main compounds responsible for the anticorrosion properties of Thymus vulgaris include carvacrol and thymol.https://www.tandfonline.com/doi/10.1080/17518253.2025.2525085Biodieselaluminumcorrosiongreen inhibitors
spellingShingle Devi A. Nogueron Benitez
Ana K. Larios Galvez
Roy Lopez Sesenes
America M. Ramirez Arteaga
José G. Gonzalez Rodriguez
Corrosion inhibition of aluminum in a diesel–biodiesel fuel blend using Thymus vulgaris
Green Chemistry Letters and Reviews
Biodiesel
aluminum
corrosion
green inhibitors
title Corrosion inhibition of aluminum in a diesel–biodiesel fuel blend using Thymus vulgaris
title_full Corrosion inhibition of aluminum in a diesel–biodiesel fuel blend using Thymus vulgaris
title_fullStr Corrosion inhibition of aluminum in a diesel–biodiesel fuel blend using Thymus vulgaris
title_full_unstemmed Corrosion inhibition of aluminum in a diesel–biodiesel fuel blend using Thymus vulgaris
title_short Corrosion inhibition of aluminum in a diesel–biodiesel fuel blend using Thymus vulgaris
title_sort corrosion inhibition of aluminum in a diesel biodiesel fuel blend using thymus vulgaris
topic Biodiesel
aluminum
corrosion
green inhibitors
url https://www.tandfonline.com/doi/10.1080/17518253.2025.2525085
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AT roylopezsesenes corrosioninhibitionofaluminuminadieselbiodieselfuelblendusingthymusvulgaris
AT americamramirezarteaga corrosioninhibitionofaluminuminadieselbiodieselfuelblendusingthymusvulgaris
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