Electrochemical and surface Analysis of Clove flower buds Extract as a Green Corrosion Inhibitor for N80 Carbon Steel in Acidic Media
DOI:
https://doi.org/10.56714/bjrs.52.1.6Keywords:
Corrosion, plant inhibitors, polarisation curves, carbon steel, Tafel curvesAbstract
The carbon steel corrosion in acidic conditions is one of the most significant problems in petroleum and chemical industries, especially in the process of acidizing and pickling. In this research, corrosion inhibition properties of a water extract of clove flower buds (Syzygium aromaticum) were examined in the case of N80 carbon steel in 1 M hydrochloric acid. It is due to the high phytochemical content of clove extract, consisting of phenolic and nitrogen-based compounds, which are found to induce effective adsorption on metal surfaces and increase corrosion resistance that the use of clove extract is justified. Polarization measurements were used to measure corrosion behavior with various concentrations of inhibitors and temperatures using electrochemical techniques. The scanning electron microscopy analysis of the surface morphology and in situ formation of the inhibitor films were studied and the chemical composition of the extract was determined through the GC-MS analysis. It was shown that clove extract is an efficient mixed-type corrosion inhibitor, which decreases the corrosion current density and rate of corrosion significantly. The greatest inhibition efficiency of 90.01 percent was at an inhibitor concentration of 200 ppm and a temperature of 298 K. The results attest to the fact that extract of clove flower buds offer an efficient and environmentally friendly protection against corrosion on N80 carbon steel in acidic environments as an alternative to using synthetic corrosion inhibitors in a sustainable manner
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