Journal
MOLECULES
Volume 28, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/molecules28062832
Keywords
corrosion inhibitor; inhibition mechanism; biomass; preparation method
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Corrosion is a damaging process for materials, especially metallic ones, and the addition of corrosion inhibitors has proven to be an effective prevention method. The research on green corrosion inhibitors has focused on biomass corrosion inhibitors which are environmentally friendly and show great potential. This study presents a detailed classification of biomass corrosion inhibitors, including plant-based, amino acid, and biosurfactant inhibitors, highlighting their advantages of easy preparation, environmental friendliness, high efficiency, and wide application range. The study also introduces various preparation methods and describes the corrosion inhibition mechanisms and evaluation methods of biomass inhibitors, providing valuable insights for the development of green corrosion inhibitors.
Corrosion is the process of damaging materials, and corrosion of metallic materials frequently results in serious consequences. The addition of corrosion inhibitors is the most effective means of preventing metal corrosion. Until now, researchers have made unremitting efforts in the research of high-efficiency green corrosion inhibitors, and research on biomass corrosion inhibitors in a class of environmentally friendly corrosion inhibitors is currently quite promising. This work presents the classification of green biomass corrosion inhibitors in detail, including plant-based corrosion inhibitors, amino acid corrosion inhibitors, and biosurfactant corrosion inhibitors, based on the advantages of easy preparation, environmental friendliness, high corrosion inhibition efficiency, and a wide application range of biomass corrosion inhibitors. This work also introduces the preparation methods of biomass corrosion inhibitors, including hydrolysis, enzymatic digestion, the heating reflux method, and microwave extraction. In addition, the corrosion inhibition mechanisms of green biomass corrosion inhibitors, including physical adsorption, chemisorption, and film-forming adsorption, and evaluation methods of biomass corrosion inhibitors are also explicitly described. This study provides valuable insights into the development of green corrosion inhibitors.
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