Water filters: Difference between revisions

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Instructions for making a water filter from gravel, sand, grass and a plastic bottle: [http://www.appropedia.org/UV_Water_Purification]
{{Category=Water}}


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


See also [[Living Machines]]
==Types==


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* 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. 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.
* According to research by Micha Hummler: Original Plans from Josh Kearns and Aqueous Solutions: *http://www.aqsolutions.org/
* Here is a $90 DIY water filter for purifying [[rainwater]] to drinking quality. Bill of materials and instructions are included (CC-SA license): http://www.aqsolutions.org/images/2008/05/bucket-filter.pdf
* Ceramic Water Filter: http://other90.cooperhewitt.org/Design/ceramic-water-filter
* [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
* 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.


UV LEDs can be used to kill pathogens and are cheap.
==See Also==
 
[[File:BoneChar.jpg |400px|thumb|right|[[Bone Char|Bone char]] - a basic ingredient for a type of filter.]]
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* [[Living Machines]], [[Biofilter]], [[Bone Char]]
 
*[[Moringa]], a tree whose seeds can be crushed and used to purify water
Slow sand filter with layers of fine sand at the top, coarse sand in the middle and gravel at the bottom.
* 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]]
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According to research by Micha Hummler:
 
Original Plans from Josh Kearns and Aqueous Solutions: *http://www.aqsolutions.org/
 
 
Here is a $90 DIY water filter for purifying rainwater to drinking quality. Bill of materials and instructions are included (CC-SA license):
 
http://www.aqsolutions.org/images/2008/05/bucket-filter.pdf
 
[[Category:Water]]

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.