Inhibition of Carbon Steel Acid Corrosion Using Vanillin

Abstract

The inhibition action of the corrosion of carbon steel in hydrochloric acid solution by  vanillin has been studied using weight loss technique. Inhibition was found to increase with  increasing inhibitor concentration and decreasing temperature. A first order mechanism has  been deduced from the kinetic treatment of the weight loss results and the process of  inhibition was attributed to physiosorption. The results obtained showed that vanillin could  serve as an effective inhibitor of the corrosion of carbon steel in hydrochloric acid media.