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Rotary Lecture English Version

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Diverting Toilet Solutions and use of Collected Urine as Fertilizer in future projects among others in Schoolgardens in Sri Lanka

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Rotary Lecture English Version

  1. 1. Diverting Toilet Solutions and use of Collected Urine as Fertilizer in future projects among others in Schoolgardens in Sri Lanka Lecture by Arne Backlund and Sara Heiberg Backlund Ecology 15. November 2018 Rotary Brønshøj
  2. 2. Water and Sanitation at Schools in Sri Lanka in Rotary Brønshøj projects.
  3. 3. Who are we in Backlund ApS? Sara Heiberg (daughter) and Arne Backlund
  4. 4. Backlund ApS has considerable experience with large water and wastewater projects. In the beginning of the 1990ies BACKLUND represented KRÜGER - now VEOLIA in the eastern part of Germany and succeeded getting very big orders establishing and running water and wastewater treatment systems including water pipes and sewers organized in a “Kooperationsmodell” or a “Betreibermodell”. Unfortunately often “Mercedessolutions” with to large and to central systems. This is a lecture in it self.
  5. 5. In ”The Action Plan to promote Sustainable Urban Renewal and Wastewater Treatment” from 1998 and forward BACKLUND worked with two themes: Ecological Handling of Wastewater in the Country Nutrients from the City to the Country BACKLUND participated in 12 - 15 projects and contributed working out reports and articles.
  6. 6. Backlund, A., Eilersen, A. M., Larsen, I., Hagelskjær, M., Jensen, I. 2003: Ecological Handling of Urine and Feces in Allotment Gardens using Waterless Diverting Toilets. The Danish Environmental Protection Agency. Sustainable Urban Renewal and Wastewater Treatment no. 34/2003. Report in Danish with an English summary Holtze, A. & Backlund, A. 2002: Collection, Storage and Fertilizing with Urine from Møn Homestead, Denmark. The Danish Environmental Protection Agency. Sustainable Urban Renewal and Wastewater Treatment no. 23/2002. Report in Danish with an English summary. Backlund, A. 2003: Improved Knowledge Regarding Diverting Sanitary Technology. The Danish Environmental Protection Agency. Sustainable Urban Renewal and Wastewater Treatment no. 35/2003.Report in Danish with an English summary Holtze, A. & Backlund, A. 2003: Composting and Maturing of Human Residual Contained in Drained Blackwater. The Danish Environmental Protection Agency. Sustainable Urban Renewal and Wastewater Treatment no.39/2003. Report in Danish with an English summary. Møller, J., Backlund, A., Jørgensen, L.T., Forslund, A. og Dalsgaard, A. 2005: Survival of Indicator Organisms in Composting Toilets and by Simulized Central Composting of Human Feces. The Danish Environmental Protection Agency. Sustainable Urban Renewal and Wastewater Treatment no.56/2005. Report in Danish with an English summary. Holtze, A. & Backlund, A. 2003 : Vacuum Toilets and Treatment of the Collected Material at Biogas Works or by Wet Composting. The Danish Environmental Protection Agency. Sustainable Urban Renewal and Wastewater Treatment no. 36/2003. Report in Danish with an English summary. Holtze, A. & Backlund, A. 2001: Investigation and Experience from a Willow Evapotranspiration System Without Outlet in Tappernøje, Denmark. The Danish Environmental Protection Agency. Sustainable Urban Renewal and Wastewater no.17/2001. Report in Danish with an English summary. Projektgroup FAIR 2003: Short- rotation Willow Biomass Plantations Irrigated and Fertilised with Wastewaters - Results from a 4-year multidisciplinary field project in Sweden, France, Northern Ireland and Greece supported by the EU- FAIR Programme. The Danish Environmental Protection Agency. Sustainable Urban Renewal and Wastewater Treatment no. 37/2003. Report in English.
  7. 7. Success with Diverting Waterless Toilets in Allotment Gardens New Knowledge from Danish Environmental Protection Agency Theme New toilets ● Success with Diverting Waterless Toilets in Allotment Gardens ● Good Perspectives for Composting Toilets in Countryside ● New Vacuum Toilets providing Energy and Nutrients
  8. 8. Success with Diverting Toilet Systems at “Møns Museumsgård” (The Museum Farmstead of Møn) Holtze, A. & Backlund, A. 2002: Collection, Storage and Fertilizing with Urine from Møn Homestead, Denmark. The Danish Environmental Protection Agency. Sustainable Urban Renewal and Wastewater Treatment no. 23/2002. Report in Danish with an English summary.
  9. 9. ● Human Urine contributes with about 80 % of the load of N* and 50 % of the P* load of conventional domestic wastewater ● Human Urine treated conventional requires large amounts of energy producing large amounts of sludge Flow or Stream Materials *N Nitrogen *P Phosphorus
  10. 10. ● We Excrete most of the Nutrients we Consume ● Human Urine contributes with only 1 % of the Volume of Household Wastewater but contains 80 % of N*, 55 % of P* and 60 % of K* and less than 0.6 % of Cadmium and 0.06 % of Lead Flow or Stream Materials *N Nitrogen *P Phosphorus *K Potassium
  11. 11. •One Person Excrete 1 KG P/year. •0.7 KG in Urine and 0.3 KG in Faeces. •Human Phosphorus Returned to Soil Would Cover 80 % of P* Demand •In Agriculture Short of Phosphorus Human Excreta could be a Golden Opportunity. •In 100 years Phosphorus Could Be Gone. Phosphorus *P Phosphorus
  12. 12. 7 000 000
  13. 13. Wooden Waterless Diverting Toilet produced by BACKLUND in the 1990’s. Wooden Waterless Diverting Toilet produced by BACKLUND in the 1990’s.
  14. 14. Wooden Waterless Diverting Toilet produced by BACKLUND in the 1990’s.
  15. 15. One of our Separett Villa 9000 in the family house in Sweden We are pleased to show and demonstrate the toilet for you here today
  16. 16. Another part of the family has a Wostman EcoFlush toilet since the mid- 1990s at their Torp in Sweden. The latest generation of the toilet is seen in the left side of the slide.
  17. 17. Ecovillage Permatopia 1 out of 96 EcoFlush toilets The very big Zero Discharge Willow Wastewater Evapotranspiration System
  18. 18. Visiting Jytte Abildstrøm in Munksoegaard with 100 EcoFlush toilets and beautiful use of the Willow.
  19. 19. The result of 10 years work to make Roskilde Festival implement PeeCycling with collection and utilization of urine. Video about "Beercycling" Beercycling at Roskilde Festival anno 2016. Click here to play the video
  20. 20. Beercycling at Roskilde Festival anno 2016. With the result “Pisner” beer in 2017 Click here to play the video
  21. 21. Letter to Roskilde Festival CEO about collecting both men and woman’s urine from 2019.
  22. 22. Establishment and use of ”Separett Villa waterless diverting toilet” in Lima, Peru.
  23. 23. BACKLUND is collaborating on and delivering willow to regional Emilia educational projects in Halle, Germany in 1992 - 1995
  24. 24. The project was posted in several media
  25. 25. Energi willow planted as willow huts and willow tunnels by Sara and her father in Sara's Kindergarden in 1992. Sara and her daughter Vilma harvesting willow in November 2018
  26. 26. Arne talks about and demonstrates the use of urine in Uganda October 2017
  27. 27. The great growth effect using urine as a fertilizer growing maize
  28. 28. Video about urine use in Uganda (can be used as inspiration producing teaching materials) Click here to play the video
  29. 29. Projects for all budgets Possibility to add something to already established and well-functioning projects. Possibility of collecting and using urine in existing or future projects, eg in schools and school gardens. Possibility of local assembly of or production of source sorting wooden toilets. Instead of the arrow, you will be able to use bamboo.
  30. 30. Inspiration working out more educational material (culturally determined and not with malt and beer as in this case but instead growing important crops for the children.
  31. 31. Inspiration for educational material (culturally determined and not with malt and beer, as in this case, but for the cultivation of important crops for the children.
  32. 32. Glad to see the great focus on toilet systems that source sorts for separate collection of urine.
  33. 33. We develop and support projects in developing countries

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