ArticleScientific reports2025
Characterizations of sulfate-reducing bacteria biofilm formed on N80 carbon steel in artificial shale gas field produced water.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- The Nitratidesulfovibrio sp. and Thermodesulfomicrobium sp.: Isolated Sulfate-Reducing Bacteria From Ahvaz Oilfield in Khouzestan.Water environment research : a research publication of the Water Environment Federation · 2026Article
- The interaction mechanisms of sulfate-reducing bacteria with other corrosive microorganisms and synergistic corrosion prevention strategies.World journal of microbiology & biotechnology · 2025Review
- Interspecies electron transfer of mixed-species biofilms in microbial corrosion of metals: mechanisms and mitigation strategies.World journal of microbiology & biotechnology · 2025Review
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Authors and funding
6 authors.
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Abstract
The corrosion of steel caused by sulfate-reducing bacteria (SRB) has been a big trouble resulting in the service failure of engineering equipment, and SRB biofilm is the direct reason leading to the corrosion acceleration. In this work, SRB biofilms formed on N80 carbon steel in an artificial shale gas field produced water with different test conditions were characterized carefully by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), fluorescence microscope, and three-dimensional stereoscopic microscope. Results demonstrate that test time, temperature, and initial SRB cell concentration can influence the growth and surface morphology of biofilm, and test time and temperature are primary factors. There is a highest corrosion rate of 0.100 ± 0.005 mm/y on the seventh day due to the high biological activity, and then corrosion rates gradually decline with time. The formed biofilms at different time have a similar morphology and the contents of elemental S in biofilms are high also suggesting SRB corrosion. Temperature can influence the biological activity of SRB, and then affect the formation of SRB biofilms. SRB has a higher biological activity at 20 and 37 °C than that of at 60 and 80 °C. The influence of initial SRB cell count differences on biofilm is weak.
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