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Plant nutrients are crucial for fertilizers, but the war in Ukraine is highlighting Europe's dependence on non-EU countries and the risk of a global food crisis. A circular approach is being tested to recover such key elements from wastewaters. And in so doing, also preventing pollution and promoting a new generation of sustainable bio-fertilizers

WalNUT is a young project with a big ambition: to change the European approach for nutrient use in agriculture, shifting from a linear to a circular model. This objective will be reached through the implementation of new waste water treatment technologies enabling nutrient recovery from waste water streams.