Abstract
The production of green corrosion inhibitors from locally source organic wastes makes environmental friendly corrosion inhibitor available. The aim and objective of this paper is to produce corrosion inhibitor from local Musa Sapientum Peels with a perspective of establishing the kinetics of the adsorption of Musa Sapientum Peels extract on mild steel bar in 2.0M sulphuric acid. Musa Sapientum peels extract produced was used as a corrosion inhibitor on mild steel bar in concentrated sulphuric acid using weight loss method. The results showed that the concentration of corrosion inhibitor is directly proportional to inhibitor efficiency and surface coverage but inversely proportional to weight loss of mild steel bar. Freundlich Isotherm and Kinetic – Thermodynamic model predicted the kinetics adsorption of the ethanol extract of Musa Sapientum peels used as a corrosion inhibitor of mild steel bar to 96.59 and 89 percent confidence level respectively while Langmuir and Linear isotherm did not. Although Freundlich and Kinetic – Thermodynamic model predicted the adsorption of Musa Sapientum peels extracts used as a green corrosion inhibition of mild steel in sulphuric acid, Freundlich isotherm had a better prediction in terms of confidence value and the goodness fit (R2) values.
Published Version
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