Sunday, February 12, 2017

Where have I been? Water for everyone.

Last night I headed to the store to pick up family groceries to carry me and my wife over for a few days. Drinking water was not on my grocery list. As I drove down the road about 9 PM, my default radio station was on NPR and I listened to BBC Radio, World Hacks, The Sun Water Solution and I asked myself, Where have I been?  Why didn't I know this?  What can I do so share this information to the masses?  Perhaps this is a start.  Please listen to the story or check my sources.

This is a story about how the most amazing ideas do not always work how you would like in practise. In theory it is so simple. You put disease-ridden water into a two litre plastic bottle, screw on the lid and leave it in the sun. After six hours on a cloudless day, almost all the bacteria and bugs that cause diseases like cholera and diarrhoea are killed or inactivated by the UV light and gentle warming. Professor Kevin McGuigan has proven this in the lab, but for the last 20 years he has been trying to get it working in rural African communities. It has not been anywhere near as easy as you might think.

Sources: 
  • About the author of this article Dr. Kevin McGuigan, director of the RCSI Solar Disinfection Research Group, Ireland,  Link
  • Wikipedia, Solar Water Disinfection, Link
  • SODIS (Solar Water Disinfection) started as an initiative of Eawag, the Swiss Federal Institute of Aquatic Sciences and Technology. Link
  • SODIS from the CDC (U.S, Centers for Disease Control and Prevention), Link

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