Carbon capture experts create synergy

Energy experts at the University of Chester have partnered up with a local business to lead the way on carbon capture research.

Experts within the institution’s Department of Chemical Engineering are working closely with start-up energy company PMW Research Ltd to develop a new technology patented by sister company PMW Technology Ltd – continuous cryogenic separation.

Removing carbon dioxide cryogenically means that CO2 can be captured in a solid form. When exhaust gases containing carbon dioxide are cooled to a low temperature (around minus 100 degrees) the CO2 is deposited as a frost, which makes it easier to separate from the exhaust gases. The process goes through different stages – once the CO2 frost is formed, it is carried into a separate section where it is warmed to recover the CO2 as a liquid. This can then be collected locally before it is transported for injection deep underground for storage. The process’s patented concept is called A3C technology.

Welcoming the partnership, Dr Carolina Font Palma said: “We are extremely pleased to have been involved in this carbon capture initiative from its concept and have developed other closely linked projects. I am delighted to be part of a project where research is applied in an innovative solution to reduce CO2 emissions.”

In an age where global carbon dioxide levels in the atmosphere have crossed a worrying milestone, carbon capture is becoming an increasingly important aspect of greenhouse gas removal and decarbonisation technologies. Carbon capture and its subsequent storage (CCS) is recognised as a key factor to tackle global warming – by reducing the amount of carbon dioxide emissions. Figures by the International Energy Agency suggest that Carbon Capture and Storage (CCS) could contribute to a 19% reduction in global CO2 emissions by 2050.

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