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Self-powered system turns wastewater into water, energy, and fertilizer

A new self-powered system combines electrically assisted forward osmosis and microbial desalination cells to recover water, fertilizer, and energy from wastewater, reducing external power needs.

This innovation matters because it tackles three pressing global challenges simultaneously: water scarcity, energy demand, and fertilizer production. By creating a self-powered system that recovers clean water, struvite fertilizer, and bioelectricity from wastewater, it offers a sustainable alternative to energy-intensive treatment plants. For industries like agriculture and livestock management, this could reduce operational costs and environmental impact. Moreover, the technology's potential for decentralized application means rural or remote communities could manage waste locally without relying on centralized infrastructure. The closed-loop design also aligns with circular economy principles, turning waste into valuable resources while lowering carbon footprint.