Diversion for safe sanitation: Flushable urine-diverting dry toilet with on-site wash water recycling embedded in a concept of transport logistics and treatment The squatting “diversion toilet” includes integrated wash water recovery for hand washing and toilet cleaning. It separates undiluted urine, dry feces and wash water. The used water passes ultrafiltration and is recycled for the same purposes. Swiss Federal Institute for Aquatic Science and Technology, Eawag
The Swiss Federal Institute of Aquatic Science and Technology (Eawag) and industrial design company EOOS develop a urine-diverting dry toilet with the additional feature of an integrated wash water recovery that allows for the comfort of hand washing and toilet cleaning. The squatting “diversion toilet” pan separates three streams: undiluted urine, dry feces and wash water. The used water is treated on-site based on ultrafiltration and recycled for the same purposes. Separated urine and feces are transported to a semi-decentralized recovery plant (scale: ~800-1000 persons) where nutrients and energy are recovered.
The name of this project was later changed to Blue Diversion Toilet.
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Product design and engineeringGlobalToilets or urinals (user interface)Treatment of wastewater or greywaterFundamental research and engineeringOtherBill & Melinda Gates FoundationGreywater or wastewaterUniversity, education or research institution
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SwitzerlandUganda
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