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Unlocking the potential of comammox Nitrospira for sustainable wastewater treatment

Project description

Sustainable nitrogen removal from wastewater

Nitrogen (N) pollution contributes to climate change, biodiversity loss, and environmental pollution. While it is essential to remove nitrogen from wastewater, current technologies face challenges such as high energy consumption and nitrous oxide emissions. Supported by the Marie Skłodowska-Curie Actions programme, the UniCoN project will use complete ammonia-oxidising (comammox) bacteria to achieve more sustainable and efficient nitrogen removal from wastewater. Specifically, the project will characterise these bacteria and investigate their interactions with other microorganisms in biofilm reactors. It will also develop biotechnologies aimed at complete nitrogen removal with zero nitrous oxide emissions, advancing understanding of comammox bacteria.

Objective

Nitrogen (N) pollution contributes to the triple planetary crisis of climate change, nature and biodiversity loss, and pollution and waste. Sustainable nitrogen management is, therefore, urgently needed. To this end, nitrogen removal from wastewater plays a key role. Current N removal technologies suffer from high energy consumption and greenhouse gas (nitrous oxide) emissions, underscoring the need for more sustainable and efficient nitrogen removal technologies. The UniCoN project aims to unlock the potential of recently discovered complete ammonia oxidizing (comammox) bacteria for more sustainable and efficient N removal from wastewater. To achieve this, I will employ a multidisciplinary approach of integrating engineering principles with multi-omics analyses and advanced modeling techniques to 1) first provide a comprehensive physiological and kinetic characterization of diverse comammox bacteria; 2) foster their synergistic partnership with other microorganisms to develop a novel process in biofilm reactors; and 3) identify optimal system configurations and operational strategies to harness the potential of comammox bacteria in future and existing wastewater treatment plants. The anticipated results will 1) enable novel sustainable biotechnologies with the potential of complete N removal and zero nitrous oxide production, 2) improve existing engineered applications of biological nitrogen removal, and 3) deepen our understanding of the importance of comammox bacteria both in natural and engineered systems. This project’s interdisciplinary nature will also allow me to expand my expertise in molecular biology while combining my expertise in process engineering and mathematical modeling with the host.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

STICHTING RADBOUD UNIVERSITEIT
Net EU contribution
€ 232 916,16
Address
HOUTLAAN 4
6525 XZ Nijmegen
Netherlands
Region
Oost-Nederland Gelderland Arnhem/Nijmegen
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data

Partners (1)