At the Institute of Sustainable Processes of the University of Valladolid (ISP-UVa), we have developed the HYDROPRO project, entitled “Efficient integration of steam explosion and renewable hydrogen with advanced digestion for the production of biomethane and biosolids from sewage sludge”.
The project was focused on the generation of bio-based products such as biomethane and biofertilizer from WWTPs waste sludge by integrating the use of anaerobic digestion, thermal hydrolysis, and biomethanation with green hydrogen.
Through experimental operation, the project has identified effective configurations that increase methane production, reduce final residues, and lower the presence of pathogens and antimicrobial resistance agents, supporting the safe agricultural use of the resulting biosolids.
The approach promotes a sustainable circular economy in the water sector by integrating waste-to-energy and power-to-gas schemes, enhancing WWTP energy self-sufficiency and reducing operational costs.
The HYDROPRO project (TED2021-132468B-I00) was financed by MICIU /AEI/10.13039/501100011033 and the European Union-NextGenerationEU/PRTR.
Below is a graphical summary of the project’s approach and main outcomes.
