Category:ROSA project Greywater towers in Arba Minch, Ethiopia

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English: ROSA = Resource-Oriented Sanitation concepts for peri-urban areas in Africa. The ROSA project promotes resource oriented sanitation concepts as a route to sustainable and ecologically sound sanitation. A greywater tower is circular bag which has got soil, ash and compost mixture in it and a gravel column at the center. It is used to treat and reuse greywater, water that has been used for bathing, washing clothes and utensils. Vegetables are planted in holes cut in the sides of the bag itself and each day the available greywater from a household is poured directly on the gravel column. In Arba Minch, Ethiopia, 8 greywater towers have been built in 2007.

Media in category "ROSA project Greywater towers in Arba Minch, Ethiopia"

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