Promoting effects and mechanisms of common iron oxides on corrosion of carbon steel induced by methanogenic microbiota

被引：0
|
作者：
Wu, Jianping [1 ]
Zhang, Weidong [1 ]
Xie, Shanyu [1 ]
Wang, Zhaoshou [1 ]
Wang, Yuanpeng [1 ]
机构：
[1] Xiamen Univ, Coll Chem & Chem Engn, Dept Chem & Biochem Engn, Key Lab Chem Biol Fujian Prov, Xiamen, Peoples R China
来源：
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING | 2025年 / 13卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Magnetite; Hematite; Steel corrosion; Methanogenic microbiota; Synergetic effects; PRODUCTS;
D O I：
10.1016/j.jece.2025.115769
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The effects of common iron oxides (magnetite and hematite) on the Q235A steel corrosion induced by Methanothrix/Methanospirllum-dominant microbiota were investigated in this study. The results indicated that both magnetite and hematite promoted the attachment of methanogenic microbiota and electron transfer between methanogenic microbiota and steel, thereby leading to about 2.5-3.7 times increase in the corrosion rate of steel induced by Methanothrix/Methanospirllum-dominant microbiota. This promotion is attributed to that iron oxides avoided the formation of dense deposit sediments on the steel surface, provided Fe(III) ions to Clostridial capable of iron-reducing, and enriched acetate-oxidizing bacteria.
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页数：14
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