液化天然气储罐底部废水中的铁氧化细菌对高锰钢的腐蚀行为

IF 7.4 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Corrosion Science Pub Date : 2024-11-09 DOI:10.1016/j.corsci.2024.112561

Yunqing Xiong , Zixuan Xu , Tiansui Zhang , Guangfang Li , Zhuo Huang , Yi Fan , Hongfang Liu

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引用次数: 0

摘要

高锰钢是制造液化天然气（LNG）储罐的新一代材料。研究人员对生活在液化天然气储罐底部废水中的铁氧化细菌（IOB）诱导的高锰钢腐蚀行为进行了调查。结果表明，IOB 能在钢材上诱导生成一层致密而厚的生物转化膜。有趣的是，生物转化膜能够将高锰钢的腐蚀速率降低 71%，并缓解腐蚀坑的形成。该研究推测了一种腐蚀抑制机制，阐明了铁锰氧化物复合生物膜的保护作用。

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Corrosion behavior of high manganese steel by iron-oxidizing bacteria in wastewater at the bottom of liquefied natural gas storage tanks

High manganese steel is a new generation of material for the fabrication of liquefied natural gas (LNG) storage tanks. The corrosion behavior of high manganese steel induced by iron-oxidizing bacteria (IOB) living in wastewater from LNG tanks bottom was investigated. The results revealed that IOB can induce a generation of a dense and thick biotransformation film on the steel. Interestingly, the biotransformation film could be able to reduce the corrosion rate of high manganese steel by 71 % and alleviate the formation of corrosion pits. A corrosion inhibition mechanism is postulated, elucidating the protective role of the iron-manganese oxide composite biofilm.

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来源期刊

Corrosion Science 工程技术-材料科学：综合

CiteScore

13.60

自引率

18.10%

发文量

763

审稿时长

46 days

期刊介绍： Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies. This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.