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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
energy
Evaluation of solar disinfection of E. coli under Sub-Saharan field conditions using a 25L borosilicate glass batch reactor fitted with a compound parabolic collector
Solar Energy, Volume 100, Year 2014
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Description
The bacterial inactivation efficacy of a solar water disinfection (SODIS) reactor consisting of a 25L borosilicate glass tube fitted with a compound parabolic collector (BGTR-CPC) was assessed under equatorial weather conditions in Uganda. The SODIS BGTR-CPC was tested over a 17month period in Sub-Saharan conditions in Kampala, Uganda. The BGTR-CPC was filled with natural water from a nearby protected well. A wild strain of Escherichia coli isolated from local natural water was added to the reactor to give a starting population of between 105 and 107CFU/100ml. This spiked water was exposed to natural sunlight. Satisfactory bacterial inactivation (log10 reduction values>6 units or inactivation to below the limit of detection (<1CFU/100ml)) was observed for 11 of 13 experiments. Rainfall and overcast/cloudy conditions were factors on both of the occasions when incomplete inactivation was observed. In conclusion, the use of CPC SODIS technology is suitable for treating drinking water both at household level and institutional level in Sub-Saharan and other similar tropical climates if careful consideration of the cloud cover and rainfall is taken into account. © 2013.
Authors & Co-Authors
Nalwanga, R.
Ireland, Dublin
Royal College of Surgeons in Ireland
Ireland, Dublin
Dublin City University
Quilty, B.
Ireland, Dublin
Dublin City University
Muyanja, Charles M.B.K.
Uganda, Kampala
Makerere University
Fernández−Ibáñez, P. A.
Spain, Almeria
Ciemat-plataforma Solar de Almería
McGuigan, Kevin G.
Ireland, Dublin
Royal College of Surgeons in Ireland
Statistics
Citations: 47
Authors: 5
Affiliations: 4
Identifiers
Doi:
10.1016/j.solener.2013.12.011
ISSN:
0038092X
Research Areas
Environmental
Study Design
Cross Sectional Study
Study Locations
Uganda