7/2007 Closing the loop
A report published by Green Alliance, UK, presents the need to ‘close the loop’ of nutrient cycle management, by recycling phosphates: “for long-term sustainability. Phosphorus recovery during wastewater treatment is highly efficient … under these circumstances, it may not be necessary to control inputs of phosphorus to the wastewater collection system.”

Green Alliance’s report “The nutrient cycle: closing the loop”, 2007.

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