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115 IE(46 households on 30 arks)
Floating boats
Geographical location: Dense urban
 Rain water |  Drinking water |  Grey water |
| RWH in some private households for HW purposes (toilet flushing). Rest of rainwater is discharged into surface water bodies. | DW is produced in a centralised treatment facility using ground water and distributed to the neighbourhood. | GW is separatly collected and transported to a mixed sewage system which is treated at a centralised WWTP. |
 Black water |  Food waste |  Energy |
| BW is separatly collected and digested in a neighbourhood UASB-reactor. Than the Oland reactor (N removal)and at the end phosphate recovery (struvite). | Standard centralised food waste management. | A surface water heat exchanger is installed for the neighbourhood. The biogas from the UASB-reactor is reused for the digestor itself. |