Cement News tagged under: carbonation

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Accelerated carbonation of concrete to sequester CO2

10 April 2024, Published under Cement News

This month Arthur Harrisson looks at the phenomenon of accelerated carbonation, its effects in concrete and carbonation methods. Figure 1: hydrated concrete – optical microscopy (©  A Harrisson) In a recent issue of ‘Concrete’, Davies and Ho 1 discussed the possibilities for carbon storage in concrete through accelerated carbonation. The methods proposed were the use of a chamber to force CO 2 into precast concrete or to include a CO 2 -bearing mineral in the cement to cause c...