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Investigating the Efficacy of Azadirachta Indica (Neem) Leaf on Mild Steel Corrosion in 1M Sulphuric Acid (H2SO4)

Received: 27 August 2022    Accepted: 13 September 2022    Published: 27 September 2022
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Abstract

Numerous failures and losses in the manufacturing and chemical industries have been attributed to corrosion processes. Chemical inhibitors can be used to combat failures brought on by metals that can no longer support the designed load due to corrosion problems. Synthetic inhibitors work well, but they come with drawbacks, including toxicity, disposal issues, lawsuits, and exorbitant costs. To safeguard people, the environment, and money, green inhibitors have gained popularity as partial and full replacements for chemical inhibitors. However, more investigation into the metal-inhibitor-media combination that yields the best results is needed because inhibitors are environment-specific. There are many effects of corrosion, and they are frequently more severe than a mere loss of metal mass when it comes to the equipment's or a structure's ability to work safely, dependably, and efficiently. The purpose of this study is to evaluate the Neem leaf's anticorrosion capacity against mild steel corrosion. The experimental work was done using the weight loss method. According to the weight loss values obtained, the corrosion rates drastically increased for the controlled experiment (acidic media without leaf extract), but there was a corresponding drop in corrosion rates when different doses of the leaf extract were added to the acidic medium, indicating that the neem leaf extract was protecting the metal. Corrosion rates tend to decrease as inhibitor concentration rises, with a dose of 0.5g/L achieving the highest level of 86% inhibitory efficiency. The Azadirachta Indica Leaf Extract showed favorable inhibitory effects on mild steel, demonstrating that when used in the proper proportion, it will increase the service life of mild steel in sulphuric acid environments.

Published in American Journal of Science, Engineering and Technology (Volume 7, Issue 3)
DOI 10.11648/j.ajset.20220703.18
Page(s) 121-129
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), 2022. Published by Science Publishing Group

Keywords

Weight Loss, Green Inhibitor, Efficiency, Newbouldia Laevis Leaf, Azadirachta Indica Leaf, Corrosion Rate

References
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Cite This Article
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    Yusuf Bamidele Waidi, Olisa Yemi Philip. (2022). Investigating the Efficacy of Azadirachta Indica (Neem) Leaf on Mild Steel Corrosion in 1M Sulphuric Acid (H2SO4). American Journal of Science, Engineering and Technology, 7(3), 121-129. https://doi.org/10.11648/j.ajset.20220703.18

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    ACS Style

    Yusuf Bamidele Waidi; Olisa Yemi Philip. Investigating the Efficacy of Azadirachta Indica (Neem) Leaf on Mild Steel Corrosion in 1M Sulphuric Acid (H2SO4). Am. J. Sci. Eng. Technol. 2022, 7(3), 121-129. doi: 10.11648/j.ajset.20220703.18

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    AMA Style

    Yusuf Bamidele Waidi, Olisa Yemi Philip. Investigating the Efficacy of Azadirachta Indica (Neem) Leaf on Mild Steel Corrosion in 1M Sulphuric Acid (H2SO4). Am J Sci Eng Technol. 2022;7(3):121-129. doi: 10.11648/j.ajset.20220703.18

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  • @article{10.11648/j.ajset.20220703.18,
      author = {Yusuf Bamidele Waidi and Olisa Yemi Philip},
      title = {Investigating the Efficacy of Azadirachta Indica (Neem) Leaf on Mild Steel Corrosion in 1M Sulphuric Acid (H2SO4)},
      journal = {American Journal of Science, Engineering and Technology},
      volume = {7},
      number = {3},
      pages = {121-129},
      doi = {10.11648/j.ajset.20220703.18},
      url = {https://doi.org/10.11648/j.ajset.20220703.18},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajset.20220703.18},
      abstract = {Numerous failures and losses in the manufacturing and chemical industries have been attributed to corrosion processes. Chemical inhibitors can be used to combat failures brought on by metals that can no longer support the designed load due to corrosion problems. Synthetic inhibitors work well, but they come with drawbacks, including toxicity, disposal issues, lawsuits, and exorbitant costs. To safeguard people, the environment, and money, green inhibitors have gained popularity as partial and full replacements for chemical inhibitors. However, more investigation into the metal-inhibitor-media combination that yields the best results is needed because inhibitors are environment-specific. There are many effects of corrosion, and they are frequently more severe than a mere loss of metal mass when it comes to the equipment's or a structure's ability to work safely, dependably, and efficiently. The purpose of this study is to evaluate the Neem leaf's anticorrosion capacity against mild steel corrosion. The experimental work was done using the weight loss method. According to the weight loss values obtained, the corrosion rates drastically increased for the controlled experiment (acidic media without leaf extract), but there was a corresponding drop in corrosion rates when different doses of the leaf extract were added to the acidic medium, indicating that the neem leaf extract was protecting the metal. Corrosion rates tend to decrease as inhibitor concentration rises, with a dose of 0.5g/L achieving the highest level of 86% inhibitory efficiency. The Azadirachta Indica Leaf Extract showed favorable inhibitory effects on mild steel, demonstrating that when used in the proper proportion, it will increase the service life of mild steel in sulphuric acid environments.},
     year = {2022}
    }
    

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  • TY  - JOUR
    T1  - Investigating the Efficacy of Azadirachta Indica (Neem) Leaf on Mild Steel Corrosion in 1M Sulphuric Acid (H2SO4)
    AU  - Yusuf Bamidele Waidi
    AU  - Olisa Yemi Philip
    Y1  - 2022/09/27
    PY  - 2022
    N1  - https://doi.org/10.11648/j.ajset.20220703.18
    DO  - 10.11648/j.ajset.20220703.18
    T2  - American Journal of Science, Engineering and Technology
    JF  - American Journal of Science, Engineering and Technology
    JO  - American Journal of Science, Engineering and Technology
    SP  - 121
    EP  - 129
    PB  - Science Publishing Group
    SN  - 2578-8353
    UR  - https://doi.org/10.11648/j.ajset.20220703.18
    AB  - Numerous failures and losses in the manufacturing and chemical industries have been attributed to corrosion processes. Chemical inhibitors can be used to combat failures brought on by metals that can no longer support the designed load due to corrosion problems. Synthetic inhibitors work well, but they come with drawbacks, including toxicity, disposal issues, lawsuits, and exorbitant costs. To safeguard people, the environment, and money, green inhibitors have gained popularity as partial and full replacements for chemical inhibitors. However, more investigation into the metal-inhibitor-media combination that yields the best results is needed because inhibitors are environment-specific. There are many effects of corrosion, and they are frequently more severe than a mere loss of metal mass when it comes to the equipment's or a structure's ability to work safely, dependably, and efficiently. The purpose of this study is to evaluate the Neem leaf's anticorrosion capacity against mild steel corrosion. The experimental work was done using the weight loss method. According to the weight loss values obtained, the corrosion rates drastically increased for the controlled experiment (acidic media without leaf extract), but there was a corresponding drop in corrosion rates when different doses of the leaf extract were added to the acidic medium, indicating that the neem leaf extract was protecting the metal. Corrosion rates tend to decrease as inhibitor concentration rises, with a dose of 0.5g/L achieving the highest level of 86% inhibitory efficiency. The Azadirachta Indica Leaf Extract showed favorable inhibitory effects on mild steel, demonstrating that when used in the proper proportion, it will increase the service life of mild steel in sulphuric acid environments.
    VL  - 7
    IS  - 3
    ER  - 

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Author Information
  • Department of Mechanical Engineering, Niger Delta University, Amasoma, Nigeria

  • Department of Mechanical Engineering, Niger Delta University, Amasoma, Nigeria

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