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During the most recent D-Lab trip, experiments were done to explore alternative methods for solar disinfection of water. It was found that plastic water bags with a very shallow aspect ratio disinfected water much more quickly than the 2-liter bottles that are most commonly used, however these bags are inconvenient in terms of filling, carrying and dispensing. Technical Description There is a need for a bag that is inexpensive, easy to fill, comfortable to carry and effective in disinfecting and maintaining the sterility of the water within. This project entails designing a water storage container that effectively meets all these criteria. Other considerations include material selection, manufacturing techniques and project sustainability. Community D-Lab is currently working with communities is 8 different countries all of which experience problems with the bacterial contamination of water. Insight into the particular customs and locally available resources in these communities are available through the D-Lab network. Project Status Currently, this project is in its initial stages. Experiments were performed in Haiti, Ghana and Samoa and have provided insight into the best shape for solar disinfection. The other aspects of the design have not yet been addressed. Contact(s): The main contact
for this project is Amy Smith (abs@mit.edu);
Daniele Lantagne (dul4@cdc.gov)
of the Center for Disease Control is also available as a consultant.
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