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Holmqvist, A.; Møller, J. and Dalsgaard, A. (2003) LATRINE COMPOSTING – A HYGIENIC EVALUATION. Poster at: ECOSAN 2end International Symposium on Ecological Sanitation, Lübeck, Germany, 7-11 April, 2003.

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Thermophilic composting of faecal matter from urine diverting toilets can effectively reduce the numbers of faecal bacterial indicators and pathogen. Already at 50C, the numbers of pathogens, including the Salmonella phage, and indicator organisms analysed were effectively reduced within a few days of exposure. Although the numbers of enterococci were reduced, they were continuous isolated as purple colonies on Slanetz and Bartleys agar after prolonged exposure at all temperature levels studied. This indicates that certain micro-organisms present in the composted faecal material, Enterococcus spp. or micro-organisms resembling enterococci on the agar medium, can survive and multiply even at 60C. These findings question the use of enterococci as faecal indicators and test organisms to control the efficiency of composting of human faeces. Further work is in progress to identify the taxonomy of these organisms.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:composting faeces indicator organisms
Subjects: Food systems > Recycling, balancing and resource management
Research affiliation: Denmark > DARCOF II (2000-2005) > III.3 (CRUCIAL) Closing the rural-urban nutrient cycle
ID Code:2087
Deposited On:09 Dec 2003
Last Modified:12 Apr 2010 07:28
Document Language:English
Refereed:Not peer-reviewed

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