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

Helminth eggs inactivation efficiency by faecal sludge dewatering and co-composting in tropical climates. Research Abstract Details 

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Helminth eggs inactivation efficiency by faecal sludge dewatering and co-composting in tropical climates. Abstract Text:

Doulaye ,Olufunke Cofie,Christian ,Katharina Gallizzi,Daya Moser,Silke Drescher,Martin Strauss,Doulaye ,Olufunke Cofie,Christian ,Katharina Gallizzi,Daya Moser,Silke Drescher,Martin Strauss,

This 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 <1 viable egg/g TS, thereby complying with the WHO guidelines 2006 for the safe reuse of FS.

Helminth eggs inactivation efficiency by faecal sludge dewatering and co-composting in tropical climates. Publishing Authors By Initials

D ,O Cofie,C ,K Gallizzi,D Moser,S Drescher,M Strauss,D ,O Cofie,C ,K Gallizzi,D Moser,S Drescher,M Strauss,

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Helminth eggs inactivation efficiency by faecal sludge dewatering and co-composting in tropical climates. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Water research

VOLUME: 41

Page Numbers: 4397-402

Journal Abbreviation: Water Res.

ISSN: 0043-1354

DAY: 15

MONTH: 06

YEAR: 2007

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

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LANGUAGE: eng

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Grant and Affiliation Information for Helminth eggs inactivation efficiency by faecal sludge dewatering and co-composting in tropical climates.

AFFILIATION: Swiss Federal Institute of Aquatic Science and Technology (Eawag), Department of Water and Sanitation in Developing Countries (Sandec), P.O. Box 611, Ueberlandstrasse 133, CH-8600 Duebendorf, Switzerland. Doulaye.Kone@eawag.ch

Country: England

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MEDLINETA: Water Res

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