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| Microbiological Mechanisms for Accelerated Corrosion of Black Metals in Eutrophic Fresh Water |
| Received:November 06, 2016 Revised:February 15, 2017 |
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| DOI：10.7643/ issn.1672-9242.2017.02.004 |
| KeyWord:eutrophication metal corrosion high-throughput sequencing sulfate-reducing bacteria |
| Author | Institution |
| LYU Bo-xue |
School of Resource and Environmental Sciences, Wuhan University,Wuhan ,China |
| CUI Jia-xin |
School of Resource and Environmental Sciences, Wuhan University,Wuhan ,China |
| MAO Xu-hui |
School of Resource and Environmental Sciences, Wuhan University,Wuhan ,China |
| GAN Fu-xing |
School of Resource and Environmental Sciences, Wuhan University,Wuhan ,China |
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| Abstract: |
| Objective To explore the biological mechanism for acceleration rules in later corrosion of black metal in polluted fresh water. Methods High-throughput sequencing was used for the first time to analyze the microbial community structure in the corrosion products of A3 steel in eutrophic and clean water, combining elements analysis and XPS analysis. Results Data on corrosion products of A3 steel were obtained, including the microbial species distribution histogram on gate level, statistical tables of OTU estimate number, OTU Wayne map, relative abundances for each genus of sulfate-reducing bacteria and microbial infraredimages on genus level. Conclusion Sulfate-reducing bacteria in corrosion products are more significant in eutrophic water, causing more serious metal sulfide corrosion. Finally, the phenomenon of reversed acceleration corrosion in later corrosion of black metal in polluted eutrophic fresh water is verified.. |
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