Researchers in the UK have shown that human urine could become a low-energy source of crop nutrients instead of being flushed away. Using forward osmosis, they concentrated urine into a fertilizer-rich stream while removing water efficiently. The approach could cut wastewater strain, save energy and reduce reliance on synthetic fertilizers.
(c) Paris Bilal

L’urine humaine pourrait nourrir les cultures avec moins d’énergie

PHYS

Des chercheurs britanniques montrent que l’urine humaine pourrait devenir une source de nutriments agricoles à faible consommation d’énergie au lieu d’être évacuée. Grâce à l’osmose directe, ils l’ont concentrée en un flux riche en engrais, réduisant la charge des stations d’épuration et les besoins en engrais chimiques.

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