Decarbonisation Technology August 2025 Issue

H

Renewable electricity & water

Electrolysis

Syngas

Syncrude

CO

e REACT

CO

FT synthesis

Hydroprocessing

e-jet e-diesel e-naphtha

CO

Atmosphere/ Point source

Carbon capture

eREACT is used for efficient syngas production from biomass

In action Topsoe is currently engaged in several

the project marks a significant milestone in bringing its next-generation low-carbon hydrogen solutions to market. This partnership exemplifies how innovation and partnership can drive meaningful progress in decarbonising heavy industry. Demonstrating scalability For nascent technologies like eREACT, it is critical to demonstrate capabilities through rigorous testing. Data from these plants will not only confirm proof of concept and highlight areas for improvement, but also provide a scaled-down model for industrial projects. This will help players in the sector better understand the technology and encourage its adoption. FrontFuel SynFuels demo plant in Foulum Topsoe has built a demonstration plant in Foulum, Denmark, to demonstrate the scalability of eREACT, which was completed at the end of 2024. The FrontFuel SynFuels project – a collaboration between the University of Aarhus, Topsoe, and Sasol – was funded by the Energy Technology Development and Demonstration Programme (EUDP). In March 2025, biogas and CO₂ were successfully converted to a synthetic crude using eREACT (and Sasol’s FT technology). This milestone demonstrates the viability of producing synthetic hydrocarbon crude (syncrude) feedstock for refining into fuel, advancing the integrated e-fuel process. The test involved blending biogenic CO₂, biogas, and hydrogen to create a synthesis gas (syngas) stream, which was then processed into syncrude. This achievement lays the groundwork for sustainable jet fuel production and demonstrates the potential for biofuels and e-fuels in commercial applications.

large-scale projects in collaboration with its customers. A notable example is its partnership with Aramco. Topsoe and Aramco JDA In November 2024, a joint development agreement (JDA) was signed with Aramco to construct a demonstration unit for low-carbon hydrogen production in the Kingdom of Saudi Arabia. Aramco is actively exploring eREACT’s implementation across various areas of its business, while also using the demonstration plant to test its own carbon capture technologies. The technology aims to reduce on-site natural gas consumption by 30-40%. When combined with Aramco’s palladium- alloy membrane technology, the system will enable the production of low-carbon hydrogen, significantly reducing the environmental impact. The project’s pilot phase involves a 3 MW unit capable of producing six tons of low-carbon hydrogen per day. Beyond demonstrating the effectiveness of the technology, the initiative aims to validate its scalability, cost-efficiency, and safety benefits, including a simplified plant design and smaller footprint. These features make eREACT particularly well-suited for future deployments in a variety of industrial settings where space and emissions regulations are critical concerns. Strategically, this collaboration reflects the broader ambitions of both companies to lead in the development of sustainable energy technologies. For Aramco, it aligns with a long-term vision to diversify its energy portfolio and integrate renewable solutions. For Topsoe,

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