Solar water disinfection (SODIS): A review from bench-top to roof-top

Kevin G. McGuigan, Ronán M. Conroy, Hans-Joachim Mosler, Martella du Preez, Eunice Ubomba-Jaswa, P Fernandez Ibanez

Research output: Contribution to journalArticle

193 Citations (Scopus)

Abstract

olar water disinfection (SODIS) has been known for more than 30 years. The technique consists of plac- ing water into transparent plastic or glass containers (normally 2 L PET beverage bottles) which are then exposed to the sun. Exposure times vary from 6 to 48 h depending on the intensity of sunlight and sensi- tivity of the pathogens. Its germicidal effect is based on the combined effect of thermal heating of solar light and UV radiation. It has been repeatedly shown to be effective for eliminating microbial pathogens and reduce diarrhoeal morbidity including cholera. Since 1980 much research has been carried out to investigate the mechanisms of solar radiation induced cell death in water and possible enhancement technologies to make it faster and safer. Since SODIS is simple to use and inexpensive, the method has spread throughout the developing world and is in daily use in more than 50 countries in Asia, Latin America, and Africa. More than 5 million people disinfect their drinking water with the solar disinfection (SODIS) technique. This review attempts to revise all relevant knowledge about solar disinfection from microbiological issues, laboratory research, solar testing, up to and including real application studies, limitations, factors influencing adoption of the technique and health impact.
LanguageEnglish
Pages29-46
JournalJournal of Hazardous Materials
Volume235-23
Early online date7 Aug 2012
DOIs
Publication statusE-pub ahead of print - 7 Aug 2012

Fingerprint

Disinfection
disinfection
Roofs
roof
Water
Pathogens
Biomedical Enhancement
water
pathogen
Radiation
study application
cholera
Beverages
Latin America
Sunlight
Cholera
health impact
Bottles
Solar System
Cell death

Keywords

  • Solar disinfection
  • SODIS
  • Drinking water
  • Waterborne disease
  • Developing world

Cite this

McGuigan, Kevin G. ; Conroy, Ronán M. ; Mosler, Hans-Joachim ; Preez, Martella du ; Ubomba-Jaswa, Eunice ; Fernandez Ibanez, P. / Solar water disinfection (SODIS): A review from bench-top to roof-top. In: Journal of Hazardous Materials. 2012 ; Vol. 235-23. pp. 29-46.
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Solar water disinfection (SODIS): A review from bench-top to roof-top. / McGuigan, Kevin G.; Conroy, Ronán M.; Mosler, Hans-Joachim; Preez, Martella du; Ubomba-Jaswa, Eunice; Fernandez Ibanez, P.

In: Journal of Hazardous Materials, Vol. 235-23, 07.08.2012, p. 29-46.

Research output: Contribution to journalArticle

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