Utilize este identificador para referenciar este registo: https://hdl.handle.net/1822/38258

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dc.contributor.authorKjellerup, B. V.por
dc.contributor.authorKjeldsen, K. U.por
dc.contributor.authorLopes, F. A.por
dc.contributor.authorAbildgaard, L.por
dc.contributor.authorIngvorsen, K.por
dc.contributor.authorFrølund, B.por
dc.contributor.authorSowers, K. R.por
dc.contributor.authorNielsen, P. H.por
dc.date.accessioned2015-11-18T12:49:00Z-
dc.date.available2015-11-18T12:49:00Z-
dc.date.issued2009-11-
dc.date.submitted2009-03-
dc.identifier.citationKjellerup, B. B.; Kjeldsen, K. U.; Lopes, F.; Abildgaard, L.; Ingvorsen, K.; Frølund, B.; Sowers, K. R. ; Nielsen, P. H., Biocorrosion and biofilm formation in a nutrient limited heating system subjected to alternating microaerophilic conditions. Biofouling: The Journal of Bioadhesion and Biofilm Research, 25(8), 727-737, 2009por
dc.identifier.issn0892-7014por
dc.identifier.issn1029-2454por
dc.identifier.urihttps://hdl.handle.net/1822/38258-
dc.description.abstractSevere biofilm formation and biocorrosion have been observed in heating systems even when the water quality complied with existing standards. The coupling between water chemistry, biofilm formation, species composition, and biocorrosion in a heating system was investigated by adding low concentrations of nutrients and oxygen under continuous and alternating dosing regimes. Molecular analysis of 16S rRNA gene fragments demonstrated that the amendments did not cause changes in the overall bacterial community composition. The combined alternating dosing of nutrients and oxygen caused increased rates of pitting (bio-) corrosion. Detection of bacteria involved in sulfide production and oxidation by retrieval of the functional dsrAB and apsA genes revealed the presence of Gram-positive sulfate- and sulfite-reducers and an unknown sulfur-oxidizer. Therefore, to control biocorrosion, sources of oxygen and nutrients must be limited, since the effect of the alternating operational conditions apparently is more important than the presence of potentially corrosive biofilm bacteria.por
dc.language.isoengpor
dc.publisherTaylor and Francispor
dc.rightsopenAccesspor
dc.subjectBiocorrosionpor
dc.subjectBiofilmpor
dc.subjectHeating systemspor
dc.subjectSulfate reducing bacteria (SRB)por
dc.subjectFunctional genes dsrAB and apsApor
dc.subjectbiofilmpor
dc.titleBiocorrosion and biofilm formation in a nutrient limited heating system subjected to alternating microaerophilic conditionspor
dc.typearticle-
dc.peerreviewedyespor
dc.relation.publisherversionhttp://www.tandfonline.com/doi/abs/10.1080/08927010903114611#.VkxxAH3zLnQpor
dc.commentsCEB26488por
sdum.publicationstatuspublishedpor
oaire.citationStartPage727por
oaire.citationEndPage737por
oaire.citationIssue8por
oaire.citationConferencePlaceUnited Kingdom-
oaire.citationTitleBiofoulingpor
oaire.citationVolume25por
dc.date.updated2015-11-09T11:19:04Z-
dc.identifier.eissn1029-2454-
dc.identifier.doi10.1080/08927010903114611por
dc.identifier.pmid20183131por
dc.subject.fosEngenharia e Tecnologia::Biotecnologia Industrialpor
dc.subject.wosScience & Technologypor
sdum.journalBiofoulingpor
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