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Study of corrosion inhibition properties of Schinus molle essential oil on carbon steel in HCl
Authors:Nadjat Mellak  Noureddine Ghali  Nadia Messaoudi  Abdelkader Benhelima  Mahmoud Ferhat  Ahmed Addou
Affiliation:1. Faculty of Sciences, University of Saida—Dr. Moulay Tahar, Saida, Algeria;2. Department of Process Engineering, Faculty of Technology, University of Saida—Dr. Moulay Tahar, Saida, Algeria

Laboratory of Environmental Science and Valorization, Department of Process Engineering, University Abdelhamid Ibn Badis Mostaganem, Mostaganem, Algeria;3. Faculty of Exact Sciences and Computer Science, University Abdelhamid Ibn Badis Mostaganem, Mostaganem, Algeria;4. Department of Process Engineering, Faculty of Technology, University of Saida—Dr. Moulay Tahar, Saida, Algeria;5. Laboratory of Mechanics, University of Laghouat, Laghouat, Algeria;6. Laboratory of Environmental Science and Valorization, Department of Process Engineering, University Abdelhamid Ibn Badis Mostaganem, Mostaganem, Algeria

Abstract:The inhibitory action of Schinus molle L. essential oil was investigated for the corrosion of carbon steel in 1 M hydrochloric acid solution using weight loss, polarization curves, and electrochemical impedance spectroscopy. The inhibition efficiency has increased with the increase of the inhibitor concentration, reaching a value of up to 70% at 2 g/L.
Keywords:carbon steel  corrosion  essential oil  hydrochloric acid  Schinus molle L  
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