Influence of innate sludge factors and ambient environmental parameters in biosolids storage on indicator bacteria survival: A review

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dc.contributor.authorFane, Sarah Elizabeth
dc.contributor.authorVale, Peter
dc.contributor.authorBajón Fernández, Yadira
dc.contributor.authorCartmell, Elise
dc.contributor.authorHarris, Jim A.
dc.contributor.authorTyrrel, Sean
dc.date.accessioned2019-11-08T11:16:58Z
dc.date.available2019-11-08T11:16:58Z
dc.date.issued2019-10-31
dc.description.abstractThe potential health risks associated with sludge cake application to agricultural land are managed by controlling the levels of Escherichia coli (E. coli) bacteria which indicate the risk of pathogen transfer. Analyses undertaken following post-digestion sludge dewatering have shown unpredictable levels of E. coli increase in stored sludge cake. Presently there is limited understanding on environmental parameters controlling the indicator bacteria density in storage and the contributory effects dewatering may have. This review aims to establish the state of current knowledge on innate and environmental factors influencing E. coli dynamics and survival in biosolids. A key factor identified is the effect of mechanical dewatering processes, which transform the sludge matrix environmental conditions through the increased availability of growth factors (e.g. nutrient and oxygen). Examples of storage practices from the agricultural and food industries are also discussed as successful methods to inhibit bacterial growth and survival, which could be extrapolated to the biosolids sector to regulate E. coli concentrations.en_UK
dc.identifier.citationFane S, Vale P, Bajón-Fernández Y, et al., (2020) Influence of innate sludge factors and ambient environmental parameters in biosolids storage on indicator bacteria survival: A review. Waste and Biomass Valorization, Volume 11, November 2020, pp. 6105-6114en_UK
dc.identifier.issn1877-2641
dc.identifier.urihttps://doi.org/10.1007/s12649-019-00865-w
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/14698
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectBiosolidsen_UK
dc.subjectSludge treatmenten_UK
dc.subjectModified atmosphereen_UK
dc.subjectNutrient availabilityen_UK
dc.subjectStorageen_UK
dc.subjectTemperatureen_UK
dc.titleInfluence of innate sludge factors and ambient environmental parameters in biosolids storage on indicator bacteria survival: A reviewen_UK
dc.typeArticleen_UK

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