Urine-Diversion Dehydration Toilet (UDDT) Urine Diversion Dehydration Toilets (UDDT) are an alternative to conventional sanitation. They are based on the holistic approach of Ecological Sanitation (EcoSan) which views human excreta not as waste but as a resource. (read more)
Constructed Wetlands Constructed wetlands are one option for sustainable wastewater treatment. They are using natural processes for cleaning the wastewater. This technology is effectively applied in Western countries for decades. Since a few years it is introduced also in Southeast Asia. (read more)
Decentralized Wastewater Treatment System Sanitation interventions in the Philippines have been limited to centralized sewerage systems in highly urbanized centers: Metro Manila, Baguio , Vigan and Zamboanga. (read more)
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