Bioremediation of leachate from a green waste composting facility using waste-derived filter media

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dc.contributor.authorTyrrel, Sean F.
dc.contributor.authorSeymour, I.
dc.contributor.authorHarris, Jim A.
dc.date.accessioned2008-08-05T08:13:24Z
dc.date.available2008-08-05T08:13:24Z
dc.date.issued2008-11
dc.description.abstractThe evaluation of two waste-derived materials used to treat compost leachate by biofiltration is described in this paper. Nine biofilters were constructed using 240 l, high density polyethylene containers. Three containers were filled without compaction with 200 l of each of three types of filter media. Waste-derived filter media (compost and oversize) were compared to a mineral control (granite chips). The filters were fed with compost leachate from a typical green waste composting facility at hydraulic loading rates ranging from 0.05 m3/m3/day to 0.5 m3/m3/day over a period of twelve months. The oversize medium emerged as the most effective demonstrating characteristics of consistency of effluent quality and resilience to stress. The oversize medium produced an effluent of <10 mg/l ammoniacal nitrogen on >95% of sampling occasions. The organic component of compost leachate was dominated by compounds that proved to be recalcitrant to biodegradation. The solids content of the treated effluent remained too high to be acceptable for direct discharge to a watercourse without further treatment and if discharge to a watercourse is to be considered, a polishing stage (e.g., reed bed) able to remove solids and dampen occasional peaks of ammoniacal nitrogen should be employed.en_UK
dc.identifier.citationS.F. Tyrrel, I. Seymour, J.A. Harris, Bioremediation of leachate from a green waste composting facility using waste-derived filter media. Bioresource Technology, Vol. 99, Issue 16, November 2008, PP. 7657-7664.en_UK
dc.identifier.issn0960-8524
dc.identifier.urihttp://dx.doi.org/10.1016/j.biortech.2008.01.079
dc.identifier.urihttp://hdl.handle.net/1826/2828
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.subjectBiofiltrationen_UK
dc.subjectComposten_UK
dc.subjectLeachateen_UK
dc.subjectTreatmenten_UK
dc.subjectWastewateren_UK
dc.titleBioremediation of leachate from a green waste composting facility using waste-derived filter mediaen_UK
dc.typePostprinten_UK

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