Nutrient recycling

Interesting prospects of a urine-based product exist as a fertilizer in agricultural applications in developing countries. However, removal of pharmaceutical residues is essential to prevent long-term environmental hazards. In this paper, the perspectives of urine collection and treatment are discus

To overcome the drawbacks of conventional sanitation systems, new approaches to sanitation are necessary. Human faeces and urine as well as greywater represent potential resources requiring efficient management. Thus, source-separating systems, which safe water and allow the recycling of nutrients t

This chapter describes the possibility to combine wastewater treatment in recirculating aquaculture systems (RAS) with the production of crop plants biomass. In an aquaponic RAS established in Waedenswil, Zurich, the potential of three crop plants was assessed to recycle nutrients from fish wastewat