Corrosion inhibition of aluminum in 2M HCL using chromolaena odorata leaf extract

Authors

  • Excel Tega Odadayerewhre

    Department of Industrial Chemistry, Federal University of Petroleum Resources, Effurun, P.M.B 1221, Effurun, Nigeria

How to Cite

Odadayerewhre, E. T. . (2025). Corrosion inhibition of aluminum in 2M HCL using chromolaena odorata leaf extract. International Journal of Advanced Chemistry, 13(2), 1-6. https://doi.org/10.14419/bz5x8c97

Received date: April 21, 2025

Accepted date: May 22, 2025

Published date: June 4, 2025

DOI:

https://doi.org/10.14419/bz5x8c97

Keywords:

Adsorption; Aluminum Corrosion; Chromolaena Odorata; Green Corrosion Inhibitors; Weight Loss Method

Abstract

Metal corrosion in acidic conditions, especially aluminum, poses major challenges to the industry and leads to great fiscal loss and safety ‎problems. The development of green corrosion inhibitors has sparked growing interest due to their low toxicity and ‎biodegradability in pursuit of sustainable results. In this research article, we analyze Chromolaena odorata leaf extract as a corrosion ‎inhibitor on aluminum in 2.0 M hydrochloric acid using the weight loss method. The extract shows good inhibitory performance, and ‎inhibition effectiveness increased with concentration. The extract reached a maximum efficiency of 99% at 5% v/v concentration. Adsorption of phytochemicals such as flavonoids and alkaloids onto the aluminum surface, which likely reduces corrosion. The adsorption ‎behavior conformed to the Langmuir isotherm, indicating monolayer adsorption on the metal surface. These findings suggest that ‎Chromolaena odorata can serve as a green alternative to conventional synthetic corrosion inhibitors‎.

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How to Cite

Odadayerewhre, E. T. . (2025). Corrosion inhibition of aluminum in 2M HCL using chromolaena odorata leaf extract. International Journal of Advanced Chemistry, 13(2), 1-6. https://doi.org/10.14419/bz5x8c97

Received date: April 21, 2025

Accepted date: May 22, 2025

Published date: June 4, 2025