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A new method for converting wastewater nutrients into fertiliser

Researchers of Aalto University have developed a new, energy-efficient method for capturing nitrogen and phosphorus from different liquid waste fractions. In laboratory studies, with the help of the method, it is possible to separate 99 percent of the nitrogen and 90-99% of phosphorus in wastewater and produce granular ammonium sulphate (NH4)2SO4 and phosphorus precipitate suitable for fertilisers.
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