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| Research Progress on Accelerated Low Water Corrosion in Marine Environments |
| Received:July 13, 2018 Revised:October 25, 2018 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7643/ issn.1672-9242.2018.10.005 |
| KeyWord:accelerated low water corrosion marine environmental corrosion microbially influenced corrosion corrosion monitoring protection method against corrosion corrosion action mechanism |
| Author | Institution |
| WU Jia-jia |
1.Institute of Oceanology, Chinese Academy of Sciences, Qingdao , China; 2. Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao ;3. Qingdao National Laboratory for Marine Science and Technology, Qingdao , China |
| WANG Peng |
1.Institute of Oceanology, Chinese Academy of Sciences, Qingdao , China; 2. Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao ;3. Qingdao National Laboratory for Marine Science and Technology, Qingdao , China |
| ZHANG Dun |
1.Institute of Oceanology, Chinese Academy of Sciences, Qingdao , China; 2. Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao ;3. Qingdao National Laboratory for Marine Science and Technology, Qingdao , China |
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| Abstract: |
| This article takes accelerated low water corrosion (ALWC) as the object, which is a significant local corrosion pattern in marine environments, to review and analyze the related literature and reports in three aspects: detection, cause, and protection. For the detection, macroscopic observation as a passive method was introduced firstly, and the characteristics were emphasized; and then the advantages and defects of an active approach were analyzed, in which ALWC prediction was achieved by the positive linear correlation between the content of dissolved inorganic nitrogen in seawater and ALWC occurrence probability. For the cause, it was focused on factors leading to the indeterminacy in the action mechanisms of microorganisms towards ALWC, after the description of the cognitive process on the view that ALWC was a typical form of microbially influenced corrosion (MIC). It was suggested to highlight the dynamic development process in the future studies, and ascertain key microorganisms for ALWC at different stages with the aid of molecular biological techniques like high-throughput sequencing. Also the impact of typical strains and their synergy was investigated in the atmosphere-seawater systems, and the function mechanism of microorganisms towards ALWC was proposed. For protection, traditional and novel efficient protection methods designed for ALWC with the unique MIC and local corrosion features were described on the basis of new and former steel structures, and the merits and disadvantages of these approaches were analyzed. |
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