Abstract
AbstractIron reducing bacteria (IRB) are thought to accelerate the corrosion of steel by removing the Fe(III)-oxide passivating layer through iron respiration. We investigated the effect of the iron-binding ligands oxalate, malonate, and succinate on the corrosion of carbon steel driven by the IRB Shewanella oneidensis. These dicarboxylates were found to accelerate the corrosion of carbon steel driven by IRB up to 2.6 times more than the abiotic experiment without dicarboxylates. Iron dissolution was enhanced by dicarboxylates, and this influenced the ability of planktonic cells to engage in iron respiration. The strong iron-binding ligands oxalate and malonate supported iron reduction by planktonic cells, whereas in the experiments with succinate or without dicarboxylate, a direct contact mechanism with the solid Fe(III)-oxide was observed. Faster microbial respiration rates were found in experiments with succinate than with oxalate or malonate, suggesting a competition for iron between the microbial cells and the strong iron-binding ligands.
Funder
United States Department of Defense | United States Navy | Office of Naval Research
American Association of University Women
Publisher
Springer Science and Business Media LLC
Subject
Materials Chemistry,Materials Science (miscellaneous),Chemistry (miscellaneous),Ceramics and Composites
Reference42 articles.
1. National Association of Corrosion Engineers. International Measures Of Prevention, Application, And Economics Of Corrosion Technologies Study (2016).
2. Little, B. J. et al. Microbially influenced corrosion—any progress? Corros. Sci. 170, 108641 (2020).
3. Naval Research Lab Stennis Space Center MS Oceanography. An Overview Of Microbiologically Influenced Corrosion In Aircraft (1997).
4. Zhang, G. et al. The bacterial community significantly promotes cast iron corrosion in reclaimed wastewater distribution systems. Microbiome 6, 222 (2018).
5. Mori, K., Tsurumaru, H. & Harayama, S. Iron corrosion activity of anaerobic hydrogen-consuming microorganisms isolated from oil facilities. J. Biosci. Bioeng. 110, 426–430 (2010).
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