Effect of Radiation Intensity, Water Temperature and Support-Base Materials on the Inactivation Efficiency of Solar Water Disinfection (SODIS)

Ekene Jude Nwankwo (), Jonah Chukwuemeka Agunwamba () and Chidozie Charles Nnaji ()
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Ekene Jude Nwankwo: University of Nigeria
Jonah Chukwuemeka Agunwamba: University of Nigeria
Chidozie Charles Nnaji: University of Nigeria

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2019, vol. 33, issue 13, No 8, 4539-4551

Abstract: Abstract Solar water disinfection (SODIS) harnesses energy from the sun to kill pathogenic microorganism in drinking water, thus making it safe for consumption. The effects of local conditions and materials on the efficiency of SODIS were investigated in this study for a period of five months. Waste polyethylene terephthalate (PET) bottles with varying optical properties were used as SODIS reactors. Water samples from deep well, shallow well, rainfall and spring were used for the study. SODIS reactors were exposed to sunlight for a period of 8 h under varying conditions of temperature and solar radiation. The study revealed that solar radiation intensity of 500–650 W/m2 and water temperature of 45–55 °C, were effective in destroying pathogens. Analysis of variance (ANOVA) confirmed statistically significant difference (p

Keywords: Solar disinfection; Water treatment; Solar radiation; Temperature; Water (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1007/s11269-019-02407-4

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