Microbially induced corrosion under repository environments

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Abstract

In Finland the corrosion studies of metallic waste were started in 1998. First studies concentrated on metallic low and intermediate level nuclear waste that is produced during operation, maintenance and decommissioning of nuclear power plants. A long-term field exposure study showed high corrosion rates, which indicated that microorganisms play a role in the corrosion process. Subsequently, we have discovered that a vast community of microbes, both archaea and bacteria, are inducing corrosion of steels under repository conditions. The studies targeting microbially induced corrosion in the low and intermediate level nuclear waste repository environment are still ongoing. During the last few years we have initiated studies on microbially induced corrosion as this process could compromise the integrity of the copper canisters in the high-level nuclear waste repository environment.
Original languageEnglish
Title of host publicationBook of Abstracts
PublisherEuropean Commission EC
Publication statusPublished - 2014
Event 5th Exchange Forum, Implementing Geological Disposal of Radioactive Waste - Kalmar, Sweden
Duration: 28 Oct 201430 Oct 2014

Conference

Conference 5th Exchange Forum, Implementing Geological Disposal of Radioactive Waste
Abbreviated titleIGD-TP
CountrySweden
CityKalmar
Period28/10/1430/10/14

Fingerprint

Corrosion
Radioactive wastes
Decommissioning (nuclear reactors)
Corrosion rate
Microorganisms
Nuclear power plants
Bacteria
Copper
Steel

Cite this

Rajala, P. (2014). Microbially induced corrosion under repository environments. In Book of Abstracts [12] European Commission EC.
Rajala, Pauliina. / Microbially induced corrosion under repository environments. Book of Abstracts. European Commission EC, 2014.
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Rajala, P 2014, Microbially induced corrosion under repository environments. in Book of Abstracts., 12, European Commission EC, 5th Exchange Forum, Implementing Geological Disposal of Radioactive Waste, Kalmar, Sweden, 28/10/14.

Microbially induced corrosion under repository environments. / Rajala, Pauliina.

Book of Abstracts. European Commission EC, 2014. 12.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

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N2 - In Finland the corrosion studies of metallic waste were started in 1998. First studies concentrated on metallic low and intermediate level nuclear waste that is produced during operation, maintenance and decommissioning of nuclear power plants. A long-term field exposure study showed high corrosion rates, which indicated that microorganisms play a role in the corrosion process. Subsequently, we have discovered that a vast community of microbes, both archaea and bacteria, are inducing corrosion of steels under repository conditions. The studies targeting microbially induced corrosion in the low and intermediate level nuclear waste repository environment are still ongoing. During the last few years we have initiated studies on microbially induced corrosion as this process could compromise the integrity of the copper canisters in the high-level nuclear waste repository environment.

AB - In Finland the corrosion studies of metallic waste were started in 1998. First studies concentrated on metallic low and intermediate level nuclear waste that is produced during operation, maintenance and decommissioning of nuclear power plants. A long-term field exposure study showed high corrosion rates, which indicated that microorganisms play a role in the corrosion process. Subsequently, we have discovered that a vast community of microbes, both archaea and bacteria, are inducing corrosion of steels under repository conditions. The studies targeting microbially induced corrosion in the low and intermediate level nuclear waste repository environment are still ongoing. During the last few years we have initiated studies on microbially induced corrosion as this process could compromise the integrity of the copper canisters in the high-level nuclear waste repository environment.

M3 - Conference abstract in proceedings

BT - Book of Abstracts

PB - European Commission EC

ER -

Rajala P. Microbially induced corrosion under repository environments. In Book of Abstracts. European Commission EC. 2014. 12