Saarland University Develops Urinash Process to Convert Urine and Ash into Fertilizer Raw Materials
Saarland University researchers have created the Urinash process, transforming urine and ash into sustainable raw materials like green ammonia and calcium phosphate. This innovation addresses waste management and provides essential nutrients for agriculture while reducing environmental impacts.

The Urinash process developed by Saarland University researchers combines biological and chemical methods to convert urine and ash into valuable materials. This process aims to produce green ammonia and calcium phosphate, which are critical for fertilizers and have various industrial applications.
The research team is also exploring practical aspects such as collection, transport, and scaling for industrial use. This initiative could significantly impact the bioeconomy by utilizing regional waste streams, lessening environmental damage from traditional fertilizer production, and promoting a circular economy model.




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