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| Microbiologically Influenced Corrosion of Pipeline Steel in Seawater |
| Received:July 16, 2018 Revised:October 25, 2018 |
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| DOI：10.7643/ issn.1672-9242.2018.10.007 |
| KeyWord:seawater pipeline steel microbiologically influenced corrosion protection technology |
| Author | Institution |
| CHEN Shi-qiang |
1. Institute of Oceanology, Chinese Academy of Sciences, Qingdao , China;2. Qingdao National Laboratory for Marine Science and Technology, Qingdao , China |
| ZHANG Dun |
1. Institute of Oceanology, Chinese Academy of Sciences, Qingdao , China;2. Qingdao National Laboratory for Marine Science and Technology, Qingdao , China |
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| Abstract: |
| This article reviewed MIC of pipeline steel in seawater, including the main populations of corrosive bacteria and proposed suggestions based on the review and analysis of relative reports in China and other countries. Firstly, the categories and metabolisms of corrosive bacteria were analyzed. It was found that the category of corrosive bacteria was diversity, and their metabolic processes were dependent on environment parameters in seawater. Secondly, analysis was conducted on MIC mechanisms of pipeline steel in seawater, and metabolic products, process of corrosive bacteria and biofilm were believed to be significant in MIC mechanisms of pipeline steel. Thirdly, analysis of the current status, advantages, and disadvantages of protection technologies against MIC of pipeline steel in seawater was carried out, and the combination of diverse protection technologies was exhibited. Finally, proposals were given on the research work of pipeline steel MIC in seawater, which included the establishment of databases on corrosive bacteria, much more efforts on the research and development of green and high-efficiency protection technologies, more investment in the fundamental research. |
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