Recovering valuable phosphorus from wastewater for use as fertiliser

August 19th, 2012 by Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB

Sewage sludge, wastewater and liquid manure are valuable sources of fertiliser for food production. Fraunhofer researchers have now developed a benign process that enables the recovered salts to be converted directly into organic food for crop plants. Phosphorus is a vital element not only for plants but also for all living organisms. In recent times [...]