The acceleration of sanitation delivery towards meeting the South African Government's target of completely eradicating the existing backlogs by 2010, has led to a surge of activities. As part of its strategy for ensuring that basic sanitation is provided, the policy has recommended that a ventilated improved pit latrine (VIP) is considered as the basic minimum requirement in the form of a sanitation technology. The up-scaling and delivering of sanitation in many cases in the form of VIPs and its derivatives, as well as urine diversion technology are beginning to pose many technical challenges. The principles on which they have been designed are not always being observed in practice. As a result, some systems are filling up much faster than expected. Research has found that the breakdown in the faeces is not happening as would be expected in an anaerobic reactor, and that the drying of faeces in humid conditions, even with the use of drying agents, is not optimum. These problems, which are being experienced in the field, will have long term repercussions on the sustainability of sanitation provision. This paper aims to share these experiences and findings of research, and the impact it may have on the Sanitation MDG goals.
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Research Article|
July 01 2008
Challenges with up-scaling dry sanitation technologies
J. N. Bhagwan;
1Water Research Commission, Private Bag X03, Gezina—0031, Pretoria, South Africa E-mail: [email protected]
E-mail: [email protected]
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D. Still;
D. Still
2Partners in Development (South Africa), PO Box 11431, Dorpspruit 3206, South Africa E-mail: [email protected]
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C. Buckley;
C. Buckley
3Pollution Research Group—University of Kwazulu- Natal, Durban 4041, South Africa E-mail: [email protected]; [email protected]
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K. Foxon
K. Foxon
3Pollution Research Group—University of Kwazulu- Natal, Durban 4041, South Africa E-mail: [email protected]; [email protected]
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Water Sci Technol (2008) 58 (1): 21–27.
Citation
J. N. Bhagwan, D. Still, C. Buckley, K. Foxon; Challenges with up-scaling dry sanitation technologies. Water Sci Technol 1 July 2008; 58 (1): 21–27. doi: https://doi.org/10.2166/wst.2008.606
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