
Prototype system transforms urine into solar powered fertilizer and clean water
Los Angeles CA (SPX) Aug 21, 2025
A Stanford-led team has developed a prototype that converts urine into fertilizer while also generating electricity and improving sanitation. The system, detailed in Nature Water, recovers ammonia using solar power and captured waste heat, offering a decentralized solution for agriculture and energy in resource-limited regions. "This project is about turning a waste problem into a resource