Helminth eggs inactivation efficiency by faecal sludge dewatering and co-composting in tropical climates

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dc.creatorKoné, D.
dc.creatorCofie, Olufunke O.
dc.creatorZurbrugg, C.
dc.creatorGallizzi, K.
dc.creatorMoser, D.
dc.creatorDrescher, S.
dc.creatorStrauss, M.
dc.date2007
dc.date2014-06-13T14:48:33Z
dc.date2014-06-13T14:48:33Z
dc.date.accessioned2026-06-27T18:38:57Z
dc.descriptionThis study investigates helminth eggs removal and inactivation efficiency in a treatment process combining faecal sludge (FS) dewatering and subsequent co-composting with organic solid waste as a function of windrow turning frequency. Fresh public toilet sludge and septage mixed at a 1:2 ratio were dewatered on a drying bed. Biosolids with initial loads of 25-83 helminth eggs/g total solids (TS) were mixed with solid waste as bulking material for co-composting at a 1:2 volume ratio. Two replicate sets of compost heaps were mounted in parallel and turned at different frequencies during the active composting period: (i) once every 3 days and (ii) once every 10 days. Turning frequency had no effect on helminth eggs removal efficiency. In both setups, helminth eggs were reduced to o1 viable egg/g TS, thereby complying with the WHO guidelines 2006 for the safe reuse of FS.
dc.identifierhttps://hdl.handle.net/10568/40850
dc.identifier.urihttp://hdl.handle.net/123456789/161684
dc.languageen
dc.rightsLimited Access
dc.sourceKone, D.; Cofie, Olufunke; Zurbrugg, C.; Gallizzi, K.; Moser, D.; Drescher, S.; Strauss, M. 2007. Helminth eggs inactivation efficiency by faecal sludge dewatering and co-composting in tropical climates. Water Research, 41: 4397 ? 4402.
dc.subjectascaris
dc.subjectcomposting
dc.subjecthelminths
dc.subjecttrichuris
dc.subjectdiseases
dc.subjectpublic health
dc.subjecthealth hazards
dc.subjectrisks
dc.titleHelminth eggs inactivation efficiency by faecal sludge dewatering and co-composting in tropical climates
dc.typeJournal Article

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Instituto Internacional para el Manejo del Agua (IWMI)