Inhibition of Corrosion in Acidic Solutions: A Mini-Review on the Role of Heterocyclic Compounds

Abstract

Corrosion poses a persistent challenge in acidic environments, necessitating the exploration of effective corrosion inhibitors. This mini-review focuses on the utilization of heterocyclic compounds as corrosion inhibitors in acidic solutions. Beginning with an overview of corrosion mechanisms in acidic environments, we delve into the diverse array of heterocyclic compounds investigated for their corrosion inhibition properties. Emphasis is placed on elucidating the mechanisms through which these compounds mitigate corrosion, ranging from surface adsorption to film formation. Recent advancements in the field are highlighted, showcasing novel compounds and formulations exhibiting promising results. A comparative analysis evaluates the effectiveness of various heterocyclic compounds, considering factors such as inhibition efficiency, cost, and environmental considerations. Despite notable successes, challenges and limitations are discussed, paving the way for future research directions. In conclusion, this mini-review underscores the significant strides made in harnessing heterocyclic compounds as corrosion inhibitors, offering a glimpse into their potential impact on addressing corrosion challenges in acidic environments.