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Production of a fertilizer out of wastewater Recycle of nitrogen at WWTP‘s via air stripping

Production of a fertilizer out of wastewater Recycle of nitrogen at WWTP‘s via air stripping. Saving design capacity of WWTP‘s by treatment of digester supernatant and closing the nutrient cycle.

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Production of a fertilizer out of wastewater Recycle of nitrogen at WWTP‘s via air stripping

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  1. Production of a fertilizer out of wastewaterRecycle of nitrogen at WWTP‘s via air stripping Saving design capacity of WWTP‘s by treatment of digester supernatant and closing the nutrient cycle Functional principle of free ammonia stripping and sorption with pre treatment of supernatant by CO2 stripping Contact: eawag: hansruedi.siegrist@eawag.ch; marc.boehler@eawag.ch WWTP: c.liebi@klaeranlage.ch

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