Plant nutrients from wastewater

Nitrogen, phosphorous and potassium -- there are valuable nutrients contained in wastewater. Unfortunately, these essential nutrients are lost in conventional wastewater treatment plants. This is the reason why researchers at Fraunhofer have been working on processes for regaining these nutrients in the form that can be used for agriculture. They are showcasing their work at Fraunhofer's stand at the IFAT ENTSORGA fair (Sept. 13-17 in Munich, Germany).

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