Influence of marine Shewanella putrefaciens and mediated calcium deposition on Q235 carbon steel corrosion

Yuntian Lou; Weiwei Chang; Luyao Huang; Xudong Chen; Xiangping Hao; Hongchang Qian; Dawei Zhang

doi:10.1016/j.bioelechem.2024.108657

Influence of marine Shewanella putrefaciens and mediated calcium deposition on Q235 carbon steel corrosion

Bioelectrochemistry. 2024 Jun:157:108657. doi: 10.1016/j.bioelechem.2024.108657. Epub 2024 Feb 5.

Authors

Yuntian Lou¹, Weiwei Chang², Luyao Huang³, Xudong Chen⁴, Xiangping Hao², Hongchang Qian¹, Dawei Zhang⁵

Affiliations

¹ Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China; National Materials Corrosion and Protection Data Center, University of Science and Technology Beijing, Beijing 100083, China; BRI Southeast Asia Network for Corrosion and Protection (MOE), Shunde Innovation School, University of Science and Technology Beijing, Foshan 528399, China.
² Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China; National Materials Corrosion and Protection Data Center, University of Science and Technology Beijing, Beijing 100083, China.
³ State Key Laboratory of Advanced Power Transmission Technology, State Grid Smart Grid Research Institute Co., Ltd., Beijing 102209, China.
⁴ School of Materials Science and Hydrogen Energy, Foshan University, Foshan 528000, China.
⁵ Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China; National Materials Corrosion and Protection Data Center, University of Science and Technology Beijing, Beijing 100083, China; BRI Southeast Asia Network for Corrosion and Protection (MOE), Shunde Innovation School, University of Science and Technology Beijing, Foshan 528399, China. Electronic address: dzhang@ustb.edu.cn.

PMID: 38335713
DOI: 10.1016/j.bioelechem.2024.108657

Abstract

The microbiologically influenced corrosion inhibition (MICI) of Q235 carbon steel by Shewanella putrefaciens and mediated calcium deposition were investigated by regulating microbial mineralization. In a calcium-rich medium, S. putrefaciens rapidly created a protective calcium carbonate layer on the steel surface, which blocked Cl^- diffusion. Without calcium, the biofilm and rust layer mitigated pitting corrosion but did not prevent Cl^- penetration. Potentiodynamic polarization results indicated that the current densities (i_corr values) of the corrosion produced in the S. putrefaciens-inoculated media with and without calcium were 0.4 μA/cm² and 0.6 μA/cm², respectively. Similarly, compared with those under sterile conditions, the corrosion inhibition rates were 92.2% and 87.4% higher, respectively. Electrochemical impedance spectroscopy (EIS) and scanning electrochemical microscopy (SECM) confirmed that the MICI was caused by the combination of microbial aerobic respiration and the deposited layers. Even under nonbiological conditions, S. putrefaciens-induced calcium carbonate deposition inhibited corrosion.

Keywords: Carbon steel; Microbial mineralization; Microbiologically influenced corrosion inhibition; Shewanella putrefaciens.

MeSH terms

Biofilms
Calcium
Calcium Carbonate
Carbon / chemistry
Corrosion
Shewanella putrefaciens* / physiology
Steel* / chemistry

Substances

Steel
Calcium
Carbon
Calcium Carbonate