ACCIONA leads project transforming wastewater treatment plants into biofactories.

ACCIONA, in its quest for technological solutions to enhance Water Treatment Plants’ (WWTPs) efficiency and ensure the safeguarding of marine and terrestrial ecosystems, is initiating the NIMBI project.

This collaborative endeavor involves ACCIONA and the leading entity, along with the LEITAT Technological Center. It is funded by the Spanish Ministry of Science and Innovation through Next Generation funds, under the State Plan for Scientific, Technical, and Innovation Research.

The publication is part of the NIMBI project (Code: CPP-2022-009665), supported by MCIN/AEI/10.13039/501100011033 and the European Union-NextGenerationEU/PRTR.

The primary goal is to assess electrochemical technologies’ potential in enhancing WWTPs’ energy balance and aiding in nitrogen recovery from incoming water.

By utilizing the energy generated during the anaerobic treatment of organic matter in wastewater, nitrogen will be reclaimed as fertilizer, enriching biogas to produce a higher calorific value fuel. Moreover, this approach will minimize CO2 and N2O emissions, thereby reducing the carbon footprint of WWTPs.

The NIMBI project aligns with ambitious European regulations concerning water bodies and ecosystems protection, including the Water Framework Directive (2000/60/EC), the Marine Strategy Framework Directive (2008/56/EC), the Nitrates Directive (91/676/EEC), the Common Agricultural Policy (CAP), and the Urban Waste Water Treatment Directive (91/271/EEC), currently undergoing revision.


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