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The Siphon filter 2008 International Symposium on Household Water Management. Accra, Ghana June 2008 Connect International. The problem. One of the solutions, Candle filters Models of 20 - 200 $. A new option The Siphon filter 7-12 $.
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The Siphon filter 2008 International Symposium on Household Water Management. Accra, Ghana June 2008 Connect International
Parts -filter element -prefilter-siphon hose-rubber bulb -one way valve-tapWith the bulb, vacuum is created until water starts flowingUnclog by backwashing
Features • Element Diatomaceaous Earth & Silver • Siphon generates flow 5 - 6 litres/hr • Efficient, 4 – 5 log reduction E Coli • Unclog by backwash option, longer life of element • Uses existing water storage, buckets, pots • Small (Transport. Storage in shops) • Affordable 7-12 US$ • Atractive, high market potential
Test results After filtering 7390 Litres Element scraped from 55 mm to 49 mm Log reduction E coli 4,5 (Without silver 2,7 ) Tested by Waterlaboratorium Noord
R&D Developed by • Klaas van der Ven. Basic Water Needs. 7 years Funded by Aqua 4 all Field tested by • Connect International, ARRAKIS (2 years) Funded by DGIS, Partners voor Water
Sustainability • Produced, transported, sold by private sector • Profit based sustainability
Dissemination Commercial market • Urban sector • Rural sector, middle class How to reach the poorest? • NGOs are needed • NGOs should not distribute themselve, create supply chain! • Use voucher system Distribution www.enterpriseworks.org
Marketing safe water Publication by Urs Heierli • Compares all treatment options • Explains what went wrong with upscaling • Suggestions for massive upscaling of HWTs A must read!!! www.poverty.ch/safewater
New option, Plation Ceramic & silver www.aquaesteurope.com
Low cost option. Silver disc Ceramic impregnated with Colloidal silver Cost 0.2 $ Tested by BWN, CI, PfP www.connectinternational.nl
Recontamination A problem in receptacles of CWPs (potfilters) Idea • Make discs (8x8 cm) of broken pot filters • Place it in the receptacle
Ideas on low cost Water, sanitation • Smart Water Solutions • Smart Water Harvesting Solutions • Smart Sanitation Solutions Published by NWP (Netherlands Water Partnership) www.nwp.nl
Thank you for your attention www.connectinternational.nl