and UNIZAR beneficiaries of a Hydrogen PERTE with a project called Hi2BIO

The pioneering engineering and innovation company, Ingeniería de Obras Zaragoza S.L., through its innovative brand, together with the University of Zaragoza, are pleased to present the official launch of Hi2BIO. This revolutionary project marks a milestone in the production of biological hydrogen from industrial wastewater, contributing to the sustainable future of hydrogen.

The future of hydrogen

The vision for the future of hydrogen has captured global attention because of its potential to play a key role in the transition to a cleaner, more sustainable economy. Despite the optimism surrounding hydrogen, there are significant challenges, such as production efficiency, costs and emissions associated with certain production methods.

In response to these challenges, “Hi2BIO” is an innovative project that seeks to establish a sustainable way to produce green hydrogen from industrial wastewater.
Description of the Hi2BIO Project: Valorisation of industrial wastewater for the generation of biological hydrogen by means of a two-stage process

Hi2BIO emerges as the natural evolution of the successful preliminary innovation project, BIOH2, which demonstrated the capability of the technology to produce biological hydrogen from wastewater. With the aim of increasing the total production of green hydrogen, Hi2BIO integrates various biological processes to maximise efficiency in the generation of this energy vector.
The main objectives of this project focus on the detailed study of dark fermentation and serial photofermentation. In addition, the aim is to evaluate different bacterial inoculums for dark fermentation and to select the most efficient one.
Once this phase has been completed, a prototype will be designed and built for testing in simulated environments representative of real conditions, allowing the behaviour of the technologies working in series to be evaluated and possible synergistic or antagonistic effects to be analysed. Finally, various gas treatment alternatives will be analysed to obtain 95% hydrogen purity.

HI2BIO Expected results

This project is expected to be a step forward, with a significant advance in research into sustainable technologies for the generation of biological hydrogen by combining processes and optimising synergistic effects.

We hope to deepen the understanding of biological hydrogen production from wastewater and to understand the behaviour and adjustment of all its variables, including the bacteriological composition of the bed, from the source.

says Patricia Ugarte, Head of R&D at

This project will allow us to take a qualitative leap forward and optimise the technology, transforming a problem such as wastewater management into a valuable resource, the net production of this energy vector.

Joaquín Murría, CEO of Ingeniería de Obras Zaragoza S.L., emphasises.

From the University of Zaragoza, according to professors Laura Grasa, from the Department of Pharmacology, Physiology and Legal and Forensic Medicine and Jesús Salafranca, from the Department of Analytical Chemistry (UNIZAR)

This project represents a crucial technical milestone in research into sustainable technologies for hydrogen generation, providing innovative solutions for wastewater management.

Laura Grasa and Jesús Salafranca of the university of zaragoza

Project implementation period:

Hi2BIO will be implemented over a three-year period, from July 2023 to July 2026.

Project Type: Hydrogen PERTE

Hi2BIO has been recognised as a strategic project within the framework of the Recovery, Transformation and Economic Resilience Plan (PERTE) for critical sectors for the future. Funding comes from the European Union through NextGenerationEU, as well as from the Ministry for Ecological Transition and the Institute for Energy Diversification and Saving (IDAE). These projects play a key role in fostering collaboration between the public and private sectors, making a significant contribution to the transformation of the national economy.

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