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== External links ==
== External links ==
* [http://www.raintree-foundation.org/AT/Appropirate_Technologies/Bio_Sand_Filter.html Biosand Filter]
* [http://www.raintree-foundation.org/AT/Appropirate_Technologies/Bio_Sand_Filter.html Biosand Filter]
* [http://www.wcponline.com/pdf/October2012Kearns.pdf Sustainable Decentralized Water Treatment for Rural
and Developing Communities Using Locally Generated Biochar Adsorbents (879kb pdf)]


[[Category:Water filtration]]  
[[Category:Water filtration]]  
[[Category:Filters]]
[[Category:Filters]]

Revision as of 11:36, 9 November 2012

Template:Topic page needed


External links

and Developing Communities Using Locally Generated Biochar Adsorbents (879kb pdf)]

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