Corrosion influenced by biofilms during wet nuclear waste storage

G. Diósi, J. Telegdi, Gy Farkas, L. G. Gazsó, E. Bokori

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

In this work, effects of microbial populations within a nuclear waste repository were studied. Consequences of biofilm formation, bacterial biosorption of metals, and bacterial radioresistance must be assessed. Water samples taken during the interim storage of spent fuel at the Atomic Energy Research Institute in Budapest were examined. Six morphologically different bacteria were isolated from the samples. The radiosensitivities of the isolates and the biosorption of Cd, Co, Sr and Cr cations were also investigated. Biofilm development on stainless steel was examined by atomic force microscopy. After one 3-week incubation period, bacterial attachment was detected on the surface. After 5 weeks individual bacteria were not observed: they were enmeshed within the exopolysaccharide matrix. The surface of the stainless steel was studied after removal of the biofilm, and biocorrosion-induced pits (depth: ∼ 100 nm) were found.

Original languageEnglish
Pages (from-to)151-156
Number of pages6
JournalInternational Biodeterioration and Biodegradation
Volume51
Issue number2
DOIs
Publication statusPublished - 2003

Fingerprint

Radioactive Waste
Corrosion
Biofilms
Radioactive wastes
radioactive waste
biofilm
corrosion
Biosorption
Stainless Steel
Bacteria
Stainless steel
steel
Nuclear Energy
bacterium
atomic force microscopy
Atomic Force Microscopy
Radiation Tolerance
Spent fuels
repository
Nuclear energy

Keywords

  • Biofilm
  • Corrosion
  • Nuclear waste

ASJC Scopus subject areas

  • Environmental Science(all)
  • Microbiology

Cite this

Corrosion influenced by biofilms during wet nuclear waste storage. / Diósi, G.; Telegdi, J.; Farkas, Gy; Gazsó, L. G.; Bokori, E.

In: International Biodeterioration and Biodegradation, Vol. 51, No. 2, 2003, p. 151-156.

Research output: Contribution to journalArticle

Diósi, G. ; Telegdi, J. ; Farkas, Gy ; Gazsó, L. G. ; Bokori, E. / Corrosion influenced by biofilms during wet nuclear waste storage. In: International Biodeterioration and Biodegradation. 2003 ; Vol. 51, No. 2. pp. 151-156.
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