CLAY WATER FILTER.
The problem I am trying to solve within the food network is one that I believe we all acknowledge as a serious problem. As Haiti lays in ruin and all previous food networks infrastructure is damaged at best it is harder than ever for people to get clean drinking water.
Designers and DIY'ers have experimented with home made clay filters. I have come across a few 'recipes' for the clay itself and this is the most straight forward and open for interpretation...
Materials 1. crushed, dry clay 2. organic material(tea leaves, cofffee grounds, or rice hulls) 3. water 4. Cow manure
Instructions 1. Mix in enough water to make a stiff biscuit-like mixture 2. Form a cylindrical pot that has one closed end 3. Dry the pot in the sun 4. Surround the pot with straw and place it in a mound of cow manure 5. Light the straw and then top up the burning manure as required. 6. Filter will be completed in less than an hour.
The filter has been found to remove 96.4 to 99.7% of E Coli.
I am planning on playing around with various shapes and sizes to find the most effective (quickest) way to produce filtered water.
(picture found on interweb)
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