Treehugger has an article on a low cost water purification system from Sweden. Solvatten relies on UV light and solar heating to kill the bugs. According to the site the water is rendered safe per WHO guidelines. It has a lot of potential for uptake in the humanitarian community as a back-up water system given it’s dimensions which appear to approximate today’s jerrycans. Here’s an in depth movie to prime your pump:
Humanitarian News and Technology Reviews
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