Water filters: Difference between revisions

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{{Category=Water}}
{{Category=Water}}


==Introduction==
[[File:BiosandFilter.png |600px|thumb|right|A Basic Diagram of a Concrete BioSand Filter used for Water Filtration.]]


==Types==
==Types==


* Instructions for making a water filter from gravel, sand, grass and a plastic bottle: [[appropedia: UV_Water_Purification]]
* Instructions for making a water filter from gravel, sand, grass and a plastic bottle: [[appropedia: UV_Water_Purification]]
* UV LEDs can be used to kill pathogens and are cheap.
* UV LEDs can be used to kill pathogens and are cheap. The 'Pure Bottle' uses a hand-powered UV bulb: ][http://wythtech.posterous.com/purify-the-dirtiest-of-water-using-pure-bottl][http://inhabitat.com/pure-water-bottle-filters-99-9-of-bacteria-with-uv-light/purebot/][http://www.jamesdysonaward.org/Projects/Project.aspx?ID=1096&RegionId=19&Winindex=3]. Steripen is similar: [http://www.google.com/products/catalog?cid=15965904709718733332]. An open-source version of these would be nice.  
* [http://en.wikipedia.org/wiki/Slow_sand_filter Slow sand filter] with layers of fine sand at the top, coarse sand in the middle and gravel at the bottom.
* [http://en.wikipedia.org/wiki/Slow_sand_filter Slow sand filter] with layers of fine sand at the top, coarse sand in the middle and gravel at the bottom.
* According to research by Micha Hummler: Original Plans from Josh Kearns and Aqueous Solutions: *http://www.aqsolutions.org/
* According to research by Micha Hummler: Original Plans from Josh Kearns and Aqueous Solutions: *http://www.aqsolutions.org/
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* [http://pottersforpeace.org/?page_id=9 Potters For Peace - Water filters]
* [http://pottersforpeace.org/?page_id=9 Potters For Peace - Water filters]
* [http://s189535770.onlinehome.us/pottersforpeace/?page_id=352 Potters For Peace on colloidal silver] for water filters
* [http://s189535770.onlinehome.us/pottersforpeace/?page_id=352 Potters For Peace on colloidal silver] for water filters
* charcoal filter: inexpensive and very effective. Best if produced in an "open burn" type of kiln that is good at mobilizing the volatiles (e.g. [[Kon-Tiki Kiln]]). Quenching with water/steam can remove additional volatiles.
==See Also==
==See Also==
* [[Living Machines]]
[[File:BoneChar.jpg |400px|thumb|right|[[Bone Char|Bone char]] - a basic ingredient for a type of filter.]]
* Forum discussion on [http://openfarmtech.org/forum/discussion/44/water-filtration-purification-with-clay-pots-and-colloidal-silver Water filtration / purification with clay pots and colloidal silver]
* [[Living Machines]], [[Biofilter]], [[Bone Char]]
*[[Moringa]], a tree whose seeds can be crushed and used to purify water
* Forum discussion on [http://forum.opensourceecology.org/discussion/44/water-filtration-purification-with-clay-pots-and-colloidal-silver Water filtration / purification with clay pots and colloidal silver]
* Appropedia: [[appropedia:Low_cost_water_filtering|Low cost water filtering]]

Latest revision as of 21:23, 14 August 2016

Main > Water


A Basic Diagram of a Concrete BioSand Filter used for Water Filtration.

Types

See Also

Bone char - a basic ingredient for a type of filter.