Application of Olea europaea Subsp. Cuspidata Wood Tar Oil as Anticorrosion for Mild Steel in Acidic Media

Application of Olea europaea Subsp. Cuspidata Wood Tar Oil as Anticorrosion for Mild Steel in Acidic Media

Corrosion, especially acidic corrosion caused by acidic solutions that are commonly used in acid washing, acid pickling and acid descaling, is one of the serious problems in industry. In the industrial sector, mild steel (MS) is commonly used and is prone to acidic solution corrosion. Corrosion processes in the manufacturing media are responsible for the degradation of metals. Different strategies exist to minimise metal surface corrosion or damage. Due to its low cost and ease of implementation and practise, the use of inhibitors is one of the most potent methods for corrosion protection. Inhibition of corrosion is preferred to stop metal dissolution and ingestion of acid, owing to its low cost and ease of use. In the current trend of corrosion inhibition research, the use of organic plants as corrosion inhibitors is at the forefront as the concern focuses on the protection of any industrial process in health and the environment. The need for novel corrosion inhibitor compounds has become more and more stringent in recent decades. Or from aromatic herb species or medicinal plants, natural organic inhibitors could be either synthesised or removed. In the present analysis, the bark performance of Olea europaea subsp. Electrochemical measurements [potentiodynamic polarisation (PDP) and electrochemical impedance spectroscopy (EIS)] were used to study Cuspidata as a corrosion inhibitor of mild steel in 1.0 M sulphuric acid. The findings have shown that Olea europaea subsp. Cuspidate wood tar oil serves as a potent inhibitor of corrosion and the inhibitor’s output varied with mild steel concentrations of 1.0 M H2SO4 + 10% EtOH. The overall inhibition (percent) was 94.97 percent, with multiple methods used supporting the findings. According to electrochemical analysis, Olea europaea subsp. Cuspidata wood oil tar extract functions primarily as a cathodic inhibitor in mixed form. A scanning electron microscope (SEM) surface analysis was also performed to determine the corrosion inhibition properties of Olea europaea subsp. Cuspidata wood tar oil in solution of (1.0 M H2SO4 + 10 percent EtOH). The perks of Olea europaea subsp. Several are Cuspidata wood tar oil. The Langmuir isotherm was accompanied by adsorption of the wood tar extract on a mild steel surface.

Author(s) Details

Aisha M. Turkustani

Department of Chemistry Science, Faculty of Science, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia and Faculty of Science for Girl′s College, Jeddah University, Jeddah, Kingdom of Saudi Arabia.

Nehad M. Gumgumji
Faculty of Science for Girl′s College, Jeddah University, Jeddah, Kingdom of Saudi Arabia and Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia.

Abdulrahman S. Al Hajar
Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia.

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