On-site monitoring and laboratory characterization of corrosion processes in the geothermal water of Polish Lowland

•Morphology of sediments from geothermal plant in Polish Lowland.•Effect of SRB to corrosion processes of constructional steels in the geothermal system.•On-site MIC monitoring at the geothermal plant in Polish Lowland. This study presents the corrosion and microbiologically influenced corrosion pro...

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Bibliographic Details
Published in:Geothermics 2019-01, Vol.77, p.267-277
Main Authors: Ura-Bińczyk, E., Banaś, J., Mazurkiewicz, B., Solarski, W., Lewandowska, M., Roguska, A., Andrzejczuk, M., Balcer, M., Kulik, S., Żarnowiec, P., Kaca, W.
Format: Article
Language:English
Subjects:
Bacteria
Bacterial corrosion
Chemical composition
Corrosion
Corrosion monitoring
Corrosion rate
Corrosion tests
Electrochemistry
Geothermal power
Geothermal water
Microbiologically influenced corrosion (MIC)
Microbiology
Morphology
Organic chemistry
Sediments
Sulfate reduction
Sulfate-reducing bacteria
Sulfates
Sulphate reducing bacteria (SRB)
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Summary:•Morphology of sediments from geothermal plant in Polish Lowland.•Effect of SRB to corrosion processes of constructional steels in the geothermal system.•On-site MIC monitoring at the geothermal plant in Polish Lowland. This study presents the corrosion and microbiologically influenced corrosion processes of steels in the highly mineralized geothermal water of Polish Lowland. The geothermal sediments were studied using various techniques to confirm the presence of sulphate-reducing bacteria, to determine the chemical composition of deposits and to describe their morphology. On-site and laboratory electrochemical tests were carried out to determine the corrosion rate of selected steels and the influence of sulphate-reducing bacteria to the electrochemical processes.
ISSN:0375-6505
1879-3576
DOI:10.1016/j.geothermics.2018.10.002