期刊
BIOELECTROCHEMISTRY
卷 140, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.bioelechem.2021.107809
关键词
Microbiological corrosion; Biocorrosion inhibitor; Carbon steel; Simulated seawater; Gemini surfactant containing semi-rigid spacer
资金
- National Natural Science Foundation of China [51701188]
- Science Foundation of Shanxi Province [201801D221088]
- Graduate Education Innovation Project of Shanxi Province [2020SY361]
The study found that the inhibition efficiency of 0.01 mM 12-B-12 was as high as 98.3% after 30 days of incubation with SRB in simulated seawater, and the planktonic and sessile SRB on the carbon steel surface can be reduced to undetectable level. This Gemini surfactant showed promising anti-bacterial and anti-corrosion performances in the presence of SRB.
SRB is one of the main bacteria causing marine microbial corrosion. In order to reduce the loss of micro-bial corrosion, a Gemini surfactant (12-B-12) containing semi-rigid spacer was used to investigate the anti-bacterial and anti-corrosion performances of carbon steel in simulated seawater by weight-loss test, electrochemical method and surface morphology analysis. The results showed that the inhibition effi-ciency of 0.01 mM 12-B-12 was as high as 98.3% after 30 days of incubation in simulated seawater with SRB, and the planktonic and sessile SRB on the carbon steel surface can be reduced to undetectable level. Quantum chemical calculation and molecular dynamics simulation were used to study the structure-ac-tivity relationship. (c) 2021 Elsevier B.V. All rights reserved.
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