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<p>This study investigates the application of Kitchen/Bio waste extracts as corrosion inhibitors, evaluating their efficacy and potential as green substitutes in industrial settings. The dried peels of kitchen waste (Arbi, potato, carrot, summer squash, and peas) are used as an inexpensive inhibitor to stop preventing the corroding steel in 0.5&#xa0;M HCl solution. The inhibition effect of Kitchen/bio waste extract on the corrosion of mild steel in acidic media (HCl) was studied using weight loss, absorption studies, phytochemicals analysis, electrochemical methods, and scanning electron microscopy. It was discovered that the UV–Vis adsorption spectrum and the adsorption of inhibitor compounds on the mild steel surface agreed. Furthermore, a scanning electron microscope surface investigation revealed significant variations in the presence and absence of weathering steel inhibitors. Electrochemical experiments determine the optimal denseness of the kitchen waste extract with the highest corrosion prevention performance. At 100&#xa0;ppm, the bioactive components of the kitchen waste extract, including caffeic acid, anthocyanin, and phenolic acid, provided the highest inhibitory effectiveness of 94.02%. With increasing concentration, its ethanolic extract's inhibitory efficacy rose. The adsorption of the extract on the metal surface was also understood using a variety of adsorption isotherm patterns, such as Langmuir, Temkin, and Freundlich. The extract's active ingredients are soluble in aqueous substances, and strongly polarized. The novelty of this work lies in its use of domestic waste to replace synthetic inhibitors in a cost-effective, sustainable way. An extraction method that is simple and low-cost was utilized to prepare the extracts and a weight loss measurement and electrochemical analysis were conducted to evaluate the efficacy of the extracts. It offers an affordable, green, and scalable corrosion control solution for industries looking for green and economical&#xa0;solutions. Overall, this study indicates that Kitchen/ Bio waste extract has a notable inhibitory effectiveness, making it a viable substitute for corrosion prevention. </p> Graphical Abstract <p></p>

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Corrosion Mitigation of Carbon-Steel Using Kitchen Waste Extracts: An Electrochemical and Thermodynamic Study

  • 期刊论文

  • 发表日期：

    2025年7月4日

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  • Toshita Bisht,
  • Jasdeep Kaur,
  • Akhil Saxena,
  • Kuldeep K. Saxena,
  • C. Rakesh,
  • A. Anitha Lakshmi,
  • B. D. Y. Sunil

摘要

This study investigates the application of Kitchen/Bio waste extracts as corrosion inhibitors, evaluating their efficacy and potential as green substitutes in industrial settings. The dried peels of kitchen waste (Arbi, potato, carrot, summer squash, and peas) are used as an inexpensive inhibitor to stop preventing the corroding steel in 0.5 M HCl solution. The inhibition effect of Kitchen/bio waste extract on the corrosion of mild steel in acidic media (HCl) was studied using weight loss, absorption studies, phytochemicals analysis, electrochemical methods, and scanning electron microscopy. It was discovered that the UV–Vis adsorption spectrum and the adsorption of inhibitor compounds on the mild steel surface agreed. Furthermore, a scanning electron microscope surface investigation revealed significant variations in the presence and absence of weathering steel inhibitors. Electrochemical experiments determine the optimal denseness of the kitchen waste extract with the highest corrosion prevention performance. At 100 ppm, the bioactive components of the kitchen waste extract, including caffeic acid, anthocyanin, and phenolic acid, provided the highest inhibitory effectiveness of 94.02%. With increasing concentration, its ethanolic extract's inhibitory efficacy rose. The adsorption of the extract on the metal surface was also understood using a variety of adsorption isotherm patterns, such as Langmuir, Temkin, and Freundlich. The extract's active ingredients are soluble in aqueous substances, and strongly polarized. The novelty of this work lies in its use of domestic waste to replace synthetic inhibitors in a cost-effective, sustainable way. An extraction method that is simple and low-cost was utilized to prepare the extracts and a weight loss measurement and electrochemical analysis were conducted to evaluate the efficacy of the extracts. It offers an affordable, green, and scalable corrosion control solution for industries looking for green and economical solutions. Overall, this study indicates that Kitchen/ Bio waste extract has a notable inhibitory effectiveness, making it a viable substitute for corrosion prevention.

Graphical Abstract