Water filters: Difference between revisions
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{{Category=Water}} | |||
[[File:BiosandFilter.png |600px|thumb|right|A Basic Diagram of a Concrete BioSand Filter used for Water Filtration.]] | |||
==Types== | |||
Here is a $90 DIY water filter for purifying rainwater to drinking quality. Bill of materials and instructions are included (CC-SA license): | * 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. | |||
http:// | ==See Also== | ||
[[File:BoneChar.jpg |400px|thumb|right|[[Bone Char|Bone char]] - a basic ingredient for a type of filter.]] | |||
[[ | * [[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
Types
- 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: ][1][2][3]. Steripen is similar: [4]. An open-source version of these would be nice.
- 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
- Potters For Peace - Water filters
- 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
Bone char - a basic ingredient for a type of filter.
- Living Machines, Biofilter, Bone Char
- Moringa, a tree whose seeds can be crushed and used to purify water
- Forum discussion on Water filtration / purification with clay pots and colloidal silver
- Appropedia: Low cost water filtering