On its homepage, the EAWAG (Swiss Federal Institute of Aquatic Science and Technology) is highlighting one of their innovative research projects in Nepal, which combines improved sanitation with increased food security. The STUN project investigated the feasibility of collecting urine to produce a phosphorus-based fertiliser called Struvite.
https://www.eawag.ch/en/department/sandec/projects/
[Accessed: 27.05.2019]