At Stanford, researchers have done what sounds unthinkable: they’ve turned human urine into a clean source of both fertilizer and energy. Their solar-powered system, small enough to operate without a grid, separates ammonia from urine and converts it into ammonium sulfate—one of the world’s most common fertilizers. What makes the breakthrough even more impressive is its efficiency. By capturing and reusing the waste heat from solar panels, the process doesn’t just accelerate—it also boosts power output by nearly 60% while improving ammonia recovery by over 20%. The very act of keeping solar panels cooler makes them perform better, creating a virtuous cycle of energy and production.
Continue reading… “Turning Urine into Power and Fertilizer: Stanford’s Solar Innovation”