Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
The analysis of different removal and recovery techniques for nutrients in urine shows that in many cases recovery is energetically more efficient than removal and new production from natural resources.
MAURER, M. ; SCHWEGLER, T. ; SCHWEGLER, P. ; LARSEN, T.A. (2003): Nutrients in urine: energetic aspects of removal and recovery. In: Water Science and Technology 8: Volume 1 , 37-46.