Integrated resource management in Asian cities: the urban nexus

Nexus water – energy – food security

Fraunhofer IGB analyzed exemplary the status quo of the water infrastructure in eight cities in China, Mongolia, Thailand, Vietnam, Indonesia, and the Philippines and developed innovative solutions. Examples are semi-decentralized reuse of treated wastewater for the irrigation of urban agriculture and public green spaces, source separation of black water and grey water with vacuum sewer systems, and production of biogas from sewage sludge and organic waste.

Keywords: Nexus, semi-decentralized, integrated concepts