CO₂-eating bacteria can recycle carbon from chimney smoke directly into new products

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Researchers from Aarhus University (AU) have developed a new technology that uses microorganisms to convert the CO2 in flue gas directly for new purposes—for example fuels or substances for the chemicals industry.

The technology can exploit CO2 as a raw material, unlike conventional carbon capture and storage (CCS), which captures carbon from flue gas and converts it into solid matter that can then be stored underground, for example. The research has recently been published in the journal Nature Communications.

"In a net-zero future, we need to use technology that recycles the CO2 we capture instead of continuing to extract more from the ground," says Amalie Kirstine Hessellund Nielsen, a Ph.D. student at the Department of Biological and Chemical Engineering and one of the main authors behind the research.

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