A journal article based on the LIFE ENRICH project has been published in Water Research. The document, entitled “An integral approach to sludge handling in a WWTP operated for EBPR aiming phosphorus recovery: Simulation of alternatives, LCA and LCC analyses“, highlights the importance of phosphorus as a non-renewable source (the main component in fertilizers) and analyzes two efficient methods to extract and recover P in wastewater.
This study, written by M. Roldan, A. Bouzas, A. Seco and R. Barat from CALAGUA – Unidad Mixta UV-UPV; E. Mena, from EMUASA; and A. Mayor from Cetaqua, Water Technology Centre, assesses two different sludge line configurations aiming for P extraction and recovery before anaerobic digestion and compares them with the classical configuration. Besides, it shows the importance of carefully analysing the processes because, although they are very similar, they can offer different economic and environmental efficiencies. The most important fact is these configurations allows increasing the maximum P-PO4 recoverable from 7.4% of the influent P load up to 43-48% depending on the selected configuration.
This complete holistic study contributes directly to the LIFE ENRICH project with its aim to contribute to circular economy through nutrient recovery from wastewater and their use as fertilizers.
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