CO2 conversion process offers new route to CCS

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Researchers have developed a method of capturing carbon dioxide and converting it to solid carbon, an advance that could help to decarbonise heavy industries.

The carbon dioxide utilisation technology from RMIT researchers in Australia is designed to be integrated into existing industrial processes for heavy industries like cement and steel, which are energy-intensive and emit CO2 as part of the production process.

The new technology is claimed to offer a route for instantly converting carbon dioxide as it is produced and locking it permanently in a solid state, keeping CO2 out of the atmosphere. The research is published in Energy & Environmental Science.

Co-lead researcher Associate Professor Torben Daeneke said the work built on an earlier experimental approach that used liquid metals as a catalyst.

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“Our new method still harnesses the power of liquid metals but the design has been modified for smoother integration into standard industrial processes,” Daeneke said in a statement. “As well as being simpler to scale up, the new tech is radically more efficient and can break down CO2 to carbon in an instant.”

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