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Water Purification in Cambodia

Water Purification in Cambodia. UWAter University of Western Australia EWB Challenge 2008 Jessica Equid Tom Pope Andrew Stead John Verran Patrick Donovan Beau Mavric. Problem Definition. 80% of deaths in Cambodia result from water borne illnesses

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Water Purification in Cambodia

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  1. Water Purification in Cambodia UWAter University of Western Australia EWB Challenge 2008 Jessica Equid Tom Pope Andrew Stead John Verran Patrick Donovan Beau Mavric

  2. Problem Definition • 80% of deaths in Cambodia result from water borne illnesses • Lack of sufficient, cost effective filters available • Villagers source up to 16% of their water from deep wells • contains unsafe levels of arsenic • Drinking water standards • pathogens, microorganisms and turbidity eliminated • Cheap, Simple, Long-lasting water filter

  3. Solution

  4. Solution - Backwashing

  5. Prototype Construction

  6. Prototype Construction

  7. Prototype Construction

  8. Prototype Construction

  9. Prototype Construction

  10. Prototype Construction

  11. Prototype Construction

  12. Turbidity Testing • Utilised scale prototype • Visual and taste tests performed on discharge from unit

  13. Turbidity Testing • Utilised scale prototype • Visual and taste tests performed on discharge from unit INPUT OUTPUT

  14. Arsenic Removal Testing • Small scale prototype constructed • Varying concentrations of arsenic tested • Reduced arsenic to safe levels • average reduction 90% Iron nails Sand mixture

  15. Implementation • Locally available resources • Local Labour & Construction • Project Costing • cost of materials for single filter, estimated to be less than $500 • Monitoring and maintenance • ensure filter provides safe water for extended time period • Waste Management • safe disposal of all wastes

  16. Implementation • Locally Available Resources • Local Labour & Construction • Project Costing • cost of materials for single filter, estimated to be less than $400 • Monitoring and maintenance • ensure filter provides safe water for extended time period • Waste Management • safe disposal of all wastes

  17. Impact assessment • Environmental • arsenic sludge removal and disposal • all materials can be recycled • Economic • local industries supported • jobs created • minimal ongoing costs • Social • increased local knowledge base • Improve community health

  18. Summary • Filter is cheap, simple, long-lasting • Proven to be affective • Implementation and impacts considered and evaluated

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