EmSWaT

EmSWaT is a term my professor coined that stands for Empowered Sustainable Water Treatment. It sums up methods of purifying water that allow people to be empowered by disinfecting it at home. EmSWaT methods are affordable, safe, and efficient. One of the most efficient EmSWaT methods is something I have worked on this past summer- solar cooking. Solar cooking disinfects small water samples using the sun’s rays. In the lab, two different types of solar cookers were evaluated to find the best shapes and results for disinfecting water. What we found was that the small parabolic cooker had the highest efficiency, utilizing about 6% of the sun’s energy on its best day which allowed it to disinfect water in just 37 minutes. In an average day with sun and partial clouds, this cooker could produce over 16 liters of safe water, which is nearly the water requirement for one person per day (20 L/person/day). Hopefully with further research we can develop a model that produces more than enough water for one person in one day.

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Author: Jess T.

I blog too much for my own good.

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