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Natural coagulation / Flocculation

201 bytes added, 06:06, 2 October 2013

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[[Image:coag flocc icon.png|right|80px]][[Image:moringa seed pods.jpg|thumb|right|250px200px|Moringa seed pods used to coagulate sediment in water. Photo: moringanews.org]][[Image:moringa seeds.jpg|thumb|right|200px|Moringa seeds in a pod. Photo: www.hear.org.]][[Image:dried clearing nuts.jpg|thumb|right|200px|Dried clearing nuts. Photo: www.farmwealthgroup.com.]][[Image:prickly pear cactus.jpg|thumb|right|200px|Prickly pear cactus. Photo: Tennant, R., www.freelargephotos.com.]]__NOTOC__ <small-title />

The sedimentation process can be quickened by adding coagulants to the water.

Bacteria and viruses can attach themselves to the suspended particles in water that cause turbidity. Therefore, reducing turbidity levels through coagulation may also improve the microbiological quality of water.

===Construction, operations and maintenance===

Little research has been done to optimize and standardize the use of natural coagulants. Their use is usually passed through traditional knowledge in the community.

* Some users complain about the taste that natural coagulants may cause in water

===Acknowledgements===* [http://wwwappropriatetechnology.googlewikispaces.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CF8QFjAA&url=http%3A%2F%2Fwww.hydraid.org%2Fpdf%2FHWTS%2520Manual_Appendix%25201_Mar%252009file/view/HWTS+Fact+Sheet_Simplified_Natural+Coagulants_Jul+09.pdf&ei=sEm1T8KFMrLKiAKOraSrBA&usg=AFQjCNFJJIUfiRAswHO3UXFU4JMyzBCYGA&sig2=gYKk-0zmEVrd4Vw1Ywus-g Household Water Treatment and Safe Storage Factsheet: Natural Coagulants] CAWST, 2009.

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