Corrosion and biofouling tendency of carbon steel in anoxic groundwater containing sulphate reducing bacteria and methanogenic archaea

Pauliina Rajala; Elina Huttunen-Saarivirta; Malin Bomberg; Leena Carpén

doi:10.1016/j.corsci.2019.108148

Corrosion and biofouling tendency of carbon steel in anoxic groundwater containing sulphate reducing bacteria and methanogenic archaea

Pauliina Rajala^*
, Elina Huttunen-Saarivirta
, Malin Bomberg
, Leena Carpén

^*Corresponding author for this work

Nanyang Technological University

Research output: Contribution to journal › Article › Scientific › peer-review

27 Citations (Scopus)

Abstract

The corrosion of carbon steel in groundwater with or without of sulphate reducing bacteria (SRB) and/or methanogenic archaea (MA) was examined in a 12-month experiment simulating a geological underground repository for nuclear waste. In the abiotic environment, cumulative corrosion rate was lowest among the studied systems, 1 μm/a. In biotic environments, the cumulative corrosion varied between 5 μm/a and 10 μm/a, being highest in SRB enriched system and lowest in SRB + MA system. However, localised corrosion was more intensive in all biotic systems. Microbial community differed between environments from betaproteobacterial taxa dominated (SRB) to Desulfovibrionales and Methanobacteriales rich in SRB + MA/MA.

Original language	English
Article number	108148
Number of pages	16
Journal	Corrosion Science
Volume	159
Early online date	12 Aug 2019
DOIs	https://doi.org/10.1016/j.corsci.2019.108148
Publication status	Published - 1 Oct 2019
MoE publication type	A1 Journal article-refereed

Funding

This work was supported by VTT Technical Research Centre of Finland and the Finnish Research Programs on Nuclear Waste Management in 2011–2014 (REMIC) and 2015–2018 (CORLINE). The help of the staff in TVO Olkiluoto Nuclear Power Plant during the water samplings is gratefully acknowledged.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 12 Responsible Consumption and Production

Keywords

A. Carbon steel
B. EIS
C. Microbiological corrosion
SEM
Weight loss
XRD

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10.1016/j.corsci.2019.108148

Cite this

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title = "Corrosion and biofouling tendency of carbon steel in anoxic groundwater containing sulphate reducing bacteria and methanogenic archaea",

abstract = "The corrosion of carbon steel in groundwater with or without of sulphate reducing bacteria (SRB) and/or methanogenic archaea (MA) was examined in a 12-month experiment simulating a geological underground repository for nuclear waste. In the abiotic environment, cumulative corrosion rate was lowest among the studied systems, 1 μm/a. In biotic environments, the cumulative corrosion varied between 5 μm/a and 10 μm/a, being highest in SRB enriched system and lowest in SRB + MA system. However, localised corrosion was more intensive in all biotic systems. Microbial community differed between environments from betaproteobacterial taxa dominated (SRB) to Desulfovibrionales and Methanobacteriales rich in SRB + MA/MA.",

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T1 - Corrosion and biofouling tendency of carbon steel in anoxic groundwater containing sulphate reducing bacteria and methanogenic archaea

AU - Rajala, Pauliina

AU - Huttunen-Saarivirta, Elina

AU - Bomberg, Malin

AU - Carpén, Leena

PY - 2019/10/1

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N2 - The corrosion of carbon steel in groundwater with or without of sulphate reducing bacteria (SRB) and/or methanogenic archaea (MA) was examined in a 12-month experiment simulating a geological underground repository for nuclear waste. In the abiotic environment, cumulative corrosion rate was lowest among the studied systems, 1 μm/a. In biotic environments, the cumulative corrosion varied between 5 μm/a and 10 μm/a, being highest in SRB enriched system and lowest in SRB + MA system. However, localised corrosion was more intensive in all biotic systems. Microbial community differed between environments from betaproteobacterial taxa dominated (SRB) to Desulfovibrionales and Methanobacteriales rich in SRB + MA/MA.

AB - The corrosion of carbon steel in groundwater with or without of sulphate reducing bacteria (SRB) and/or methanogenic archaea (MA) was examined in a 12-month experiment simulating a geological underground repository for nuclear waste. In the abiotic environment, cumulative corrosion rate was lowest among the studied systems, 1 μm/a. In biotic environments, the cumulative corrosion varied between 5 μm/a and 10 μm/a, being highest in SRB enriched system and lowest in SRB + MA system. However, localised corrosion was more intensive in all biotic systems. Microbial community differed between environments from betaproteobacterial taxa dominated (SRB) to Desulfovibrionales and Methanobacteriales rich in SRB + MA/MA.

KW - A. Carbon steel

KW - B. EIS

KW - C. Microbiological corrosion

KW - SEM

KW - Weight loss

KW - XRD

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DO - 10.1016/j.corsci.2019.108148

M3 - Article

AN - SCOPUS:85070820062

SN - 0010-938X

VL - 159

JO - Corrosion Science

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ER -

Corrosion and biofouling tendency of carbon steel in anoxic groundwater containing sulphate reducing bacteria and methanogenic archaea

Abstract

Funding

UN SDGs

Keywords

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