SODIS – Solar Water Purification

August 8, 2008 at 6:57 am Leave a comment

If you can, imagine this scene: Kibera, a slum in Nairobi, Kenya. It is home to a million or so residents. The Kiberans are dirt-poor. Basic infrastructure is limited, or doesn’t even exist, so many are forced to purchase water from private vendors. Some are able to pay despite water prices that reach ten times the rate paid by wealthy Kenyans, but most cannot. The water they use is contaminated, unhealthy, and unsafe. As a result, 6 out of 10 Kibera infants die from waterborne diseases before they pass the middle of their second year.

Incredible, yes? But there is reason for hope: SODIS – a simple cheap effective technique to kill waterborne pathogens using nothing more complicated than a plastic water bottle and the photochemical reactions produced by oxygen and sunlight. To learn more, check out:

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Entry filed under: In the News.

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