Microbiologically influenced corrosion of the ST-37 carbon steel tank by Bacillus licheniformis present in biodiesel blends

Pusparizkita, Yustina M; Aslan, Christian; Schmahl, Wolfgang W.; Devianto, Hary; Harimawan, Ardiyan; Setiadi, Tjandra; Ng, Yan Jer; Bayuseno, A.P.; Show, Pau Loke

doi:10.1016/j.biombioe.2022.106653

Cited by 7 publications

(3 citation statements)

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“…And the cathodic reactions of CO 2 corrosion include reactions (4) to ( 5) because the pH value of the test solution is 5.38. And the FeCO 3 corrosion product will change to FeS due to the difference of their solubility, i.e., Reaction (7).…”

Section: Discussionmentioning

confidence: 99%

“…FeCO 3 + HS -® FeS + HCO-3 (7) For the abiotic control specimen, the low corrosion rate can be due to the addition of some organics, such as biocide, which plays the role of corrosion inhibitor. Corrosion inhibitor is an important corrosion protection method applied to the oil and gas eld industry [39,40].…”

Section: Discussionmentioning

confidence: 99%

“…MIC is an important factor affecting the service life of engineering equipments in the oil and gas elds [5,6]. MIC refers to the phenomenon that microorganisms directly or indirectly accelerate steel corrosion through their biological activities or metabolites [7,8]. Previous studies have shown that the economic loss caused by MIC accounts for about 20% of the total economic loss caused by corrosion [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

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Corrosion behavior and mechanism of N80 steel caused by sulfate reducing bacteria in CO2-saturated shale gas field produced water at 60℃

Chen,

Liu,

et al. 2023

Preprint

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The corrosion of steel caused by sulfate reducing bacteria (SRB) in shale gas environment is one of the big factors leading to the service failure of pipeline steel. However, the related studies of SRB corrosion especially at a high temperature are still poor. This paper aims to investigate the effects of SRB on the corrosion behavior of N80 steel in CO2-saturated simulated shale gas produced water at 60°C by weight loss, 3D microscope,electrochemical impedance spectroscopy (EIS) and polarization curves and so on. Results showed that the corrosion rate of N80 steel in the presence of SRB was greater than that of the abiotic control specimen. SRB cells and the inhibitive organics could have a competitive adsorption on the steel surface. The adsorption of inhibitive organics on steel in the abiotic condition caused a slight corrosion of the control specimen. While the adsorption of SRB cells as well as the subsequent formation of biofilm have accelerated the localized corrosion of specimen. Therefore, steel corrosion is accelerated in the presence of SRB at a high temperature.

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Section: Discussionmentioning

confidence: 99%