International Research Journal of Innovations in Engineering and Technology - IRJIET International Open Access, Monthly, Peer Reviewed, Reputed Journal ISSN (online): 2581-3048

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DOI Prefix: 10.47001/IRJIET

Effect of Watermelon Rind Inhibitor on the Corrosion Behaviour of Mild Steels in Alkaline and Acidic Environments

O.A OlaseindeDepartment of Metallurgical and Materials Engineering, Federal University of Technology, Akure, Ondo State, Nigeria

Vol 6 No 5 (2022): Volume 6, Issue 5, May 2022 | Pages: 112-123

International Research Journal of Innovations in Engineering and Technology

OPEN ACCESS | Research Article | Published Date: 28-05-2022

doi Logo doi.org/10.47001/IRJIET/2022.605014

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Abstract

Agro-waste disposal has become a major source of environmental pollution. It is imperative to find an alternate use for agricultural waste. This research used water rind which is an agro-waste to develop an inhibitor. The inhibitors developed were used in different percentages to study the corrosion behaviour of mild steel in 1M HCl, 0.5M H2SO4 and 0.5 M NaOH using weight loss and potentiodynamic methods. The extract was synthesized from the watermelon rind (Citrullus lanatus) using the maceration method. Characterization of the extract was done by Atomic Absorption Spectroscopy, Fourier Transform Infrared Spectroscopy, Phytochemical Screening and Gas Chromatography (mass spectroscopy). The Atomic Absorption Spectroscopy results showed that the plant extract is ecofriendly as it does not contain heavy metals. The Fourier Transform Infrared Spectroscopy showed the different functional groups present in the extracts. Phytochemical screening result showed the presence of the chemical constituents. Gas Chromatography was used to determine the different compositions of the extracts. The weight loss and potentiodynamic polarization results showed that the addition of extracts inhibited the mild steels in all the media. The corrosion rate reduces as the inhibition efficiency increases and the concentration increases.

Keywords

Watermelon, Rind Inhibitor, Corrosion Behaviour, Mild Steels, Alkaline, Acidic Environments


Citation of this Article

O.A Olaseinde, “Effect of Watermelon Rind Inhibitor on the Corrosion Behaviour of Mild Steels in Alkaline and Acidic Environments” Published in International Research Journal of Innovations in Engineering and Technology - IRJIET, Volume 6, Issue 5, pp 112-123, May 2022. Article DOI https://doi.org/10.47001/IRJIET/2022.605014

Licence Copyright (c) 2026 International Research Journal of Innovations in Engineering and Technology creative common licence This work is licensed under Creative common Attribution Non Commercial 4.0 Internation Licence
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