Robustness and resilience of different solid-liquid separation technologies for tertiary phosphorus removal to low levels by coagulation

dc.contributor.authorMurujew, Olga
dc.contributor.authorWilson, Andrea
dc.contributor.authorVale, Peter C. J.
dc.contributor.authorBajón Fernández, Yadira
dc.contributor.authorJefferson, Bruce
dc.contributor.authorPidou, Marc
dc.date.accessioned2025-04-25T11:50:12Z
dc.date.available2025-04-25T11:50:12Z
dc.date.freetoread2025-04-25
dc.date.issued2025-04-25
dc.date.pubOnline2025-03-25
dc.description.abstractIn this study, three tertiary solid separation technologies were assessed on their robustness and resilience against an effluent phosphorus target of <0.3 mg P/L at steady state and dynamic conditions. The ballasted flocculation system was found to be very robust at delivering the low P target. Alternatively, cloth filtration provided a more sustainable option for less strict consents of sub 0.5 mg P/L. The effluent from the membrane system was more variable but it was shown to meet the low consents even with increased phosphorus and solids content in the feed. A molar ratio of 1.37 Fe: P was shown to be sufficient to meet the P target at short contact times as with the ballasted flocculation process. It was highlighted that optimisation of up-stream flocculation can be a considerable factor for consistent performance. Overall, the study determined key attributes of the different technologies tested providing valuable insights for technology selection at full scale.
dc.description.journalNameScience of The Total Environment
dc.description.sponsorshipFunding for this study was gratefully received by Severn Trent Water.
dc.format.mediumPrint-Electronic
dc.identifier.citationMurujew O, Wilson A, Vale P, et al., (2025) Robustness and resilience of different solid-liquid separation technologies for tertiary phosphorus removal to low levels by coagulation. Science of The Total Environment, Volume 974, April 2025, Article number 179170
dc.identifier.eissn1879-1026
dc.identifier.elementsID567461
dc.identifier.issn0048-9697
dc.identifier.paperNo179170
dc.identifier.urihttps://doi.org/10.1016/j.scitotenv.2025.179170
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/23816
dc.identifier.volumeNo974
dc.languageEnglish
dc.language.isoen
dc.publisherElsevier
dc.publisher.urihttps://www.sciencedirect.com/science/article/pii/S0048969725008058?via%3Dihub
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subject4004 Chemical Engineering
dc.subject40 Engineering
dc.subjectBallast
dc.subjectCloth
dc.subjectCoagulation
dc.subjectMembrane
dc.subjectPhosphorus
dc.subjectSand filter
dc.subjectEnvironmental Sciences
dc.titleRobustness and resilience of different solid-liquid separation technologies for tertiary phosphorus removal to low levels by coagulation
dc.typeArticle
dc.type.subtypeJournal Article
dcterms.dateAccepted2025-03-15

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