The impact of polymer selection and dose on the incorporation of ballasting agents onto wastewater aggregates

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dc.contributor.authorMurujew, Olga
dc.contributor.authorGeoffroy, Jordan
dc.contributor.authorFournie, Emeline
dc.contributor.authorGioacchini, Elisa Socionovo
dc.contributor.authorWilson, Andrea
dc.contributor.authorVale, Peter
dc.contributor.authorJefferson, Bruce
dc.contributor.authorPidou, Marc
dc.date.accessioned2020-03-13T12:34:53Z
dc.date.available2020-03-13T12:34:53Z
dc.date.issued2019-11-28
dc.description.abstractBallasted flocculation is an efficient high-rate sedimentation process getting more attention as an advanced P removal technology for levels below 0.1 mg/L. The process is well-known yet only very few studies have investigated the interactions, within the matrix of wastewater, of coagulant, polymer and ballast, especially when it comes to polymer doses and types which are, in the industry, rather based on recommendations than scientific evidence. In this work, the impact of anionic and cationic polymers has been investigated on P removal and floc properties. Anionic polymers showed to be superior to cationic ones when it comes to P removal and doses even as low as 0.01 mg/L yield better results than coagulant alone. There appears to be a “best-case” floc size with which very good P removal (>90%) can be achieved and flocs of sufficient strength can be generated.en_UK
dc.identifier.citationMurujew O, Geoffroy J, Fournie E, et al., (2020) The impact of polymer selection and dose on the incorporation of ballasting agents onto wastewater aggregates. Water Research, Volume 170, March 2020, Article number 115346en_UK
dc.identifier.cris26427457
dc.identifier.issn0043-1354
dc.identifier.urihttps://doi.org/10.1016/j.watres.2019.115346
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/15280
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectPhosphorus removalen_UK
dc.subjectBallasted flocculationen_UK
dc.subjectMagnetiteen_UK
dc.subjectPolymeren_UK
dc.titleThe impact of polymer selection and dose on the incorporation of ballasting agents onto wastewater aggregatesen_UK
dc.typeArticleen_UK

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