A multi-week test has demonstrated that carbon dioxide (CO2) from flue gas streams of natural gas- and coal-fired generating units can successfully be injected into concrete blocks to reduce carbon emissions.
Carried out by CarbonBuilt and the US Department of Energy’s National Energy Technology Laboratory’s (NETL) National Carbon Centre, the trial saw CO2 injected into more than 5,000 blocks where it is now stored for good.
Proved a success, it is believed that the technology used within the test, developed at the UCLA Samueli School of Engineering, could reduce concrete’s carbon emissions by more than 50%.
Called CarbonBuilt’s Reversa™ process, the technology utilises innovations to both the concrete mix design and the curing process. The Reversa formulation significantly reduces consumption of cement while enabling the increased and more flexible use of waste materials like fly ash or slag.
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