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

Author

Listed:
  • Ekene Jude Nwankwo

    (University of Nigeria)

  • Jonah Chukwuemeka Agunwamba

    (University of Nigeria)

  • Chidozie Charles Nnaji

    (University of Nigeria
    University of Johannesburg)

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

Suggested Citation

  • Ekene Jude Nwankwo & Jonah Chukwuemeka Agunwamba & Chidozie Charles Nnaji, 2019. "Effect of Radiation Intensity, Water Temperature and Support-Base Materials on the Inactivation Efficiency of Solar Water Disinfection (SODIS)," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 33(13), pages 4539-4551, October.
    • Handle: RePEc:spr:waterr:v:33:y:2019:i:13:d:10.1007_s11269-019-02407-4
    DOI: 10.1007/s11269-019-02407-4
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    References listed on IDEAS

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    1. Global Energy Assessment Writing Team,, 2012. "Global Energy Assessment," Cambridge Books, Cambridge University Press, number 9780521182935, September.
    2. Global Energy Assessment Writing Team,, 2012. "Global Energy Assessment," Cambridge Books, Cambridge University Press, number 9781107005198, September.
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