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|Title||Developing an integrated sustainable sanitation system for urban areas: Gaza strip case study|
A vertical flow (reed bed) constructed wetland was used for treating bio-solid and gray water. The results present a positive performance in treating the bio-solids and well-stabilized accumulated organic material in the bed formed fertile soil. Moreover, using vertical flow reed bed of liquid waste treatment showed removal of around 70% of organic matter indicator Biological Oxygen Demand (BOD5) and Chemical Oxygen Demand (COD). The Fecal Coliform (FC) removal was around 2 logs (99.9%) with a retention time of less than two days. The effluent can be used in agriculture or groundwater recharge. A semi-dry toilet followed by anaerobic/aerobic units is in planning to be coupled with an existing system. The system mainly depended on separating of the human excreta from the urine and gray water. The two separated fractions will be treated in vertical flow reed bed to produce organic fertilizer and reclaimed water for reuse. Such systems could be a suitable solution for wastewater problems in Gaza strip and similar regions. The designed and planned system integrated environmental and technical sound approaches with socio-economical aspects. In addition, the designed system implemented the idea of a natural and closed circle of water and nutrients “from food to food”.
|Published in||Procedia CIRP|
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