# a 10 micron filter bag
# a UV light, which kills any remaining bacteria and viruses
==Suitable conditions ==
The unit has been designed for operation under harsh conditions in grass root societies. Units can be installed, operated and maintained by people with no or little/low technical education or background.
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==History and social context==
==Suitable conditions ==
The unit has been designed for operation under harsh conditions in grass root societies. Units can be installed, operated and maintained by people with no or little/low technical education or background.
{{Potential_Treatment_Capacity_table
'*' note: A special insert for the removal of arsenic can be supplied as a non-standard item. More info via [http://www.cleanwaternow.nl].
==Technical specificationConstruction, operations and maintenance==
[[Image:naiade3.jpg|thumb|right|150px| Adding source water]]
[[Image:naiade4.jpg|thumb|right|150px| Protected unit in a cage]]
====Operation====
The Naiade can be installed in 30 minutes by local people without a
technical background. A step-by step, pictured instruction leaflet and tools are provided.
The UV lamp has a life of 10.000hrs or 3 years at 9 h/day continuous service. The filter needs to be replaced approximately every 12 months depending on TSS of influent/washing frequency. The back up battery (12V-50Ah) lasts 36 hours. Built-in electronics will register the used time of lamp and a light in front of the unit will indicate when the lamp needs to be replaced.
==CostCosts==
{{Treatment_Cost
|CapCost=US$ 3,500 (Ex Works, unit price)
Note: the capital costs exclude the costs for water sanitation awareness programs and maintenance training, local support for installation and maintenance, transport and fees and duties.
==Country Field experiences==
Naiade projects have been realized in
Afghanistan, India, Sri Lanka, Pakistan, Indonesia, China, Brazil, Surinam, Mexico, Colombia, Morocco, Senegal, Sudan, Mozambique, Madagascar, Burkina Faso, Ghana, Tanzania, Cameroon, Benin, Mali, Egypt, South Africa, Kenya, Nigeria.
==ManualsReference manuals, videos, and links==*[https://filehost.nedap.com/index.php?q=321999ab3f0c61b2f285d0d1dfcd7024&action=0 A short film made by the French TV2 team about the effectiveness of the Naiade in India]
==Movies==*[http://www.cleanwaternow.nl www.cleanwaternow.nl]*[http://www.xing.com www.xing.com]*[http://www.indiawaterportal.org www.indiawaterportal.org]*[http://www.electron-sa.co.za www.electron-sa.co.za]*[http://www.nedapnaiade.com www.nedapnaiade.com]*[httpshttp://filehostwww.nedapsafe-drinkingwater.comwww.safe-drinkingwater.com]*[http://indexwww.purificationdeleau.com www.purificationdeleau.php?q=321999ab3f0c61b2f285d0d1dfcd7024&action=0 A short film made by the French TV2 team about the effectiveness of the Naiade in Indiacom]
==Company Information==
F +31 (0)544 486 008<br>
==External Links==
*[http://www.cleanwaternow.nl www.cleanwaternow.nl]
*[http://www.xing.com www.xing.com]
*[http://www.indiawaterportal.org www.indiawaterportal.org]
*[http://www.electron-sa.co.za www.electron-sa.co.za]
*[http://www.nedapnaiade.com www.nedapnaiade.com]
*[http://www.safe-drinkingwater.com www.safe-drinkingwater.com]
*[http://www.purificationdeleau.com www.purificationdeleau.com]
==Footnotes==
==Acknowledgements==
====References====
*KIWA Evaluation report. Declaration of the performance of the Naiade, Nieuwegein, The Netherlands, January 2005
*IFFCO Declaration of performance, New Delhi, India, April 2008