Abstract
Corrosion is considered as one of the serious challenges that deteriorates the material properties of metals and alloys. In this research study, the inhibition of aluminum in 1M NaOH byPhoenixDactyliferatree fiber extract was studied in the temperature range 308.15-318.15 K using the standard gravimetric technique. The performance evaluation was monitored using inhibition efficiency (% IE) and the IE increased as the concentration of Phoenix Dactylifera extract increased, reaching 82.55 % at 0.15 mg/ml . An inversely proportional relationship was found to exist between temperature and IE. The corrosion inhibitory effect was fitted with the Langmuir isotherm, with a correlation coefficient of R2≥ 0.950. The inhibitor sorption was confirmed to be spontaneous as Gibbs free energy was reported to be negative. The effectiveness of the green corrosion inhibitor proved to be a potential solution for protection of aluminum under alkaline conditions.
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