Study of parameters implicated in the biodeterioration of mild steel in the presence of different species of sulphate-reducing bacteria

Iwona B. Beech, C. W. Sunny Cheung, C. S. Patrick Chan, Martin A. Hill, Ricardo Franco, Ana Rosa Lino

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

Two different species of sulphate-reducing bacteria, strain classified by NCIMB as Desulfovibrio desulfuricans subspecies desulfuricans New Jersey (8313) isolated from the corroding heat exchanger, and SRB species recovered from a corroding ship hull anchored off the Indonesian coast (Indo isolate) were grown as laboratory batch cultures. Several factors such as the surface finish of substratum, metabolic activity of planktonic and sessile bacterial populations, initial attachment of cells to surfaces and subsequent formation of biofilms on the process of biodeterioration of mild steel in the presence of these two different species of SRB were investigated. The corrosion rates of mild steel were estimated by weight loss measurements and correlated with the density of sessile SRB population. The yield and composition of extracellular polymers released into the bulk phase of culture media were determined and the amount of dissolved hydrogen sulphide was monitored. The results revealed differences between SRB species in their aggressiveness towards mild steel under identical growth conditions, emphasising the importance of biochemistry and physiology of SRB for the biocorrosion process. Biochemical and genetic characterisation of SRB isolates chosen for this study are currently in progress.

Original languageEnglish
Pages (from-to)289-303
Number of pages15
JournalInternational Biodeterioration & Biodegradation
Volume34
Issue number3-4
DOIs
Publication statusPublished - 1994

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Steel
sulfate-reducing bacterium
Sulfates
Carbon steel
biodegradation
Bacteria
steel
Desulfovibrio desulfuricans
Hydrogen Sulfide
Biochemistry
Batch Cell Culture Techniques
Corrosion
Ships
Physiology
Hydrogen sulfide
Biofilms
Corrosion rate
Population
Heat exchangers
Coastal zones

Cite this

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title = "Study of parameters implicated in the biodeterioration of mild steel in the presence of different species of sulphate-reducing bacteria",
abstract = "Two different species of sulphate-reducing bacteria, strain classified by NCIMB as Desulfovibrio desulfuricans subspecies desulfuricans New Jersey (8313) isolated from the corroding heat exchanger, and SRB species recovered from a corroding ship hull anchored off the Indonesian coast (Indo isolate) were grown as laboratory batch cultures. Several factors such as the surface finish of substratum, metabolic activity of planktonic and sessile bacterial populations, initial attachment of cells to surfaces and subsequent formation of biofilms on the process of biodeterioration of mild steel in the presence of these two different species of SRB were investigated. The corrosion rates of mild steel were estimated by weight loss measurements and correlated with the density of sessile SRB population. The yield and composition of extracellular polymers released into the bulk phase of culture media were determined and the amount of dissolved hydrogen sulphide was monitored. The results revealed differences between SRB species in their aggressiveness towards mild steel under identical growth conditions, emphasising the importance of biochemistry and physiology of SRB for the biocorrosion process. Biochemical and genetic characterisation of SRB isolates chosen for this study are currently in progress.",
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Study of parameters implicated in the biodeterioration of mild steel in the presence of different species of sulphate-reducing bacteria. / Beech, Iwona B.; Sunny Cheung, C. W.; Chan, C. S. Patrick ; Hill, Martin A.; Franco, Ricardo; Lino, Ana Rosa.

In: International Biodeterioration & Biodegradation, Vol. 34, No. 3-4, 1994, p. 289-303.

Research output: Contribution to journalArticle

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