Reactive media constructed wetland for phosphorus removal: assessing the opportunity and challenges

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dc.contributor.authorMurujew, Olga
dc.contributor.authorLe Corre, Kristell
dc.contributor.authorWilson, Andrea
dc.contributor.authorBajón Fernández, Yadira
dc.contributor.authorVale, Peter
dc.contributor.authorJefferson, Bruce
dc.contributor.authorPidou, Marc
dc.date.accessioned2024-04-09T11:04:38Z
dc.date.available2024-04-09T11:04:38Z
dc.date.issued2024-03-09
dc.description.abstractReactive media present an alternative to gravel in constructed wetlands and have the potential to sustainably and efficiently remove phosphorus from wastewater. In this study, a full-scale steel slag wetland has been operated for its whole lifecycle at which 1.39 mg P/g media were retained. During its lifecycle, this wetland met strict consents below 0.5 mg P/L for the first 6 months and was operated for 266 and 353 days before the effluent phosphorus concentration rose above the typical consents of 1 and 2 mg P/L, respectively. A detailed analysis of the system demonstrated that the performance was directly associated with the release of materials from the media into the water which in turn affected other critical parameters such as pH. Further analysis of the media suggested that greater understanding was needed concerning the role of carbonates and in particular calcite if steel slag is to be effectively managed for use on constructed wetlands. Importantly, controlled release of calcium oxide from the media surface is required by managing the concerns of pH and vanadium release.en_UK
dc.description.sponsorshipSevern Trent Water. In addition, some of the work reported here was part of the AquaNES project which has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement no. 689450.en_UK
dc.identifier.citationMurujew O, Le Corre K, Wilson A, et al., (2024). Reactive media constructed wetland for phosphorus removal: assessing the opportunity and challenges. H2Open Journal, Volume 7, Issue 2, March 2024, pp. 187-198en_UK
dc.identifier.issn2616-6518
dc.identifier.urihttps://doi.org/10.2166/h2oj.2024.097
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/21155
dc.language.isoen_UKen_UK
dc.publisherIWA Publishingen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectconstructed wetlanden_UK
dc.subjectreactive mediaen_UK
dc.subjectP removalen_UK
dc.subjectsteel slagen_UK
dc.titleReactive media constructed wetland for phosphorus removal: assessing the opportunity and challengesen_UK
dc.typeArticleen_UK
dcterms.dateAccepted2024-02-14

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