Disruption of cells in biosolids affects E. coli dynamics in storage

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dc.contributor.authorFane, Sarah Elizabeth
dc.contributor.authorMadureira, D.
dc.contributor.authorNocker, A.
dc.contributor.authorVale, P.
dc.contributor.authorRivas Casado, Monica
dc.contributor.authorWilson, A.
dc.contributor.authorBajón Fernández, Yadira
dc.contributor.authorHarris, Jim A.
dc.contributor.authorCartmell, Elise
dc.contributor.authorTyrrel, Sean
dc.date.accessioned2019-06-13T16:29:04Z
dc.date.available2019-06-13T16:29:04Z
dc.date.issued2019-05-22
dc.description.abstractAchieving microbial compliance during biosolids storage can be complicated by the unpredictable increase of Escherichia coli. Thermal treatment during anaerobic digestion (AD) and the effects of dewatering may be a significant factor contributing to indicator survival. Shear forces present during dewatering may promote cell damage, releasing nutrient for E. coli growth. The effect of cell damage on E. coli survival was assessed in laboratory-scale thermal and physical disruption experiments. E. coli growth curves for disrupted treatments were compared with control conditions and quantified using flow cytometry and membrane filtration techniques. A significant difference (p < 0.05) in the level of damaged cells between control and disrupted conditions was observed. For thermal and physical disruption treatments, the peak of E. coli concentration increased significantly by 1.8 Log and 2.4 Log (CFU (colony forming units) g−1 DS), respectively, compared with control treatments. Research findings contribute to the understanding of bacterial growth and death dynamics in biosolidsen_UK
dc.identifier.citationFane S, Madureira D, Nocker A, et al., (2019) Disruption of cells in biosolids affects E. coli dynamics in storage. H2Open Journal, Volume 2, Issue 1, 2019 pp.101-112.en_UK
dc.identifier.cris23485458
dc.identifier.issn2616-6518
dc.identifier.urihttps://doi.org/10.2166/h2oj.2019.028
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/14235
dc.language.isoenen_UK
dc.publisherIWA Publishingen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectbiosolidsen_UK
dc.subjectdewateringen_UK
dc.subjectE. colien_UK
dc.subjectstorageen_UK
dc.subjectcellsen_UK
dc.titleDisruption of cells in biosolids affects E. coli dynamics in storageen_UK
dc.typeArticleen_UK

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