Vol. 5 No. 1 (2025): Journal of Millimeterwave Communication, Optimization and Modelling
Articles

Performance Of Grape Leaves Extract As Green Inhibitor On Corrosion Inhibition Of Mild Steel In Acidic Media

Noor Qasim Alsaedi
Missan oil Training Institue

Published 28.02.2025

Keywords

  • corrosion,
  • mild steel,
  • green inhibitor,
  • grape leaves extract,
  • acidic corrosion

Abstract

The inhibitive effect of grape leaves Extract (GLE) on mild steel in acidic Media with different temperatures polarization measures and weight loss have been used to investigate. The study obtained that the corrosion rate increases with increasing of acid concentration and the used green inhibitor (GLE) inhibited the electrochemical reaction to its lowest levels. Temperature and extract concentration both increase corrosion inhibition effectiveness. Grape leaf extract was adsorbed according to the Langmuir adsorption isotherm. According to the thermodynamic characteristics, there was an exothermic, spontaneous adsorption process with a rise in entropy. Polarization curves demonstrated the mixed-type inhibitory properties of grape leaves extract.

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