UNICO₂RN Brochure – Turning Biogenic CO₂ into a valuable resource
Abstract
CO2 emissions are a challenge for both the climate and industry stakeholders, calling for smart, sustainable solutions. The EU-funded UNICO₂RN project therefore aims to develop innovative processes that can turn CO₂ from biological sources (biogenic CO2) into valuable ingredients and materials. To achieve this goal, the project combines two promising approaches: • Metal Organic Framework (MOF) technology for highly efficient CO₂ capture and purification, and • Biotechnological processes using Hydrogen Oxidising Bacteria (HOB). These specialised bacteria can transform H2 and CO₂ into useful compounds, offering a sustainable alternative to fossil-based production routes. Building on these technologies, UNICO₂RN will design modular and flexible systems that can be adapted to different industrial needs and applications. This versatility will be demonstrated in two industrial cases operating at Technology Readiness Level 7 (TRL 7), where the robustness and efficiency of the processes will be validated under near commercial conditions. The demonstrations will illustrate how biogenic CO₂ sources of varying concentration and purity can be converted into two valuable products: 1) Microbial proteins, providing a sustainable nutritional source for food for humans and feed for animals, and 2) Polyhydroxyalkanoates (PHA), biodegradable biopolymers that can replace conventional plastics. By developing these novel conversion pathways, UNICO₂RN seeks to significantly improve resource efficiency and process safety while reducing the environmental footprint and greenhouse gas emissions associated with current production routes. Ultimately, reaching TRL 7 will lay the groundwork for industrial deployment, enabling substantial economic benefits and lower climate impact. In doing so, the project supports Europe’s transition towards a strong bioeconomy, where CO₂ is recognised not as waste but as a valuable carbon source, enabling carbon utilisation, valorisation and a truly circular carbon economy. This brochure informs about the project's key elements, partners involved and overall objectives.