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UV treatment / Solar disinfection (SODIS)

45 bytes added, 20:09, 30 July 2012

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[[Image:Sodis_icon.png|right]]

[[Image:Sodis.PNG|thumb|right|250px|Plastic bottles filled with contaminated water are placed in the sunlight . Photo: [http://www.sodis.ch/index_EN SODIS.]]]

Solar disinfection is a simple water treatment method using solar radiation (UV-A light and temperature) to destroy pathogenic bacteria and viruses present in the water. It can be used to disinfect small quantities of water with low turbidity. Most commonly, contaminated water is filled into transparent plastic bottles and exposed to full sunlight. The pathogens are destroyed during the exposure to the sun. Users determine the length of exposure based on the weather conditions.

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