Eco-friendly Corrosion Inhibitors from Sugarcane Bagasse for Environments Relevant to CO2 Transport: a Review

Abstract

Environmentally friendly corrosion inhibitors from sugarcane bagasse are a promising alternative to mitigate corrosion problems. These inhibitors are obtained from natural compounds present in the residual biomass of bagasse, such as tannins, phenols, and organic acids. Studies have shown that bagasse extracts exhibit significant corrosion inhibition effects on various metals (steel, zinc, aluminium) in acidic and neutral media, acting through the formation of protective layers on metal surfaces, modifying the chemistry of the medium or inhibiting electrochemical corrosion reactions. This work reviews the state-of-the-art of eco-friendly corrosion inhibitors from sugarcane bagasse in environments relevant to the transport of CO2, including their composition, mechanisms of action, extraction and purification methods, performance evaluation techniques, and comparisons with conventional inhibitors. Future perspectives are also addressed, such as process optimization, mechanistic understanding, environmental impact assessment and interdisciplinary collaborations to drive the development and successful implementation of these sustainable inhibitors in various industries.