The role of cement and concrete in adding to greenhouse gases is well understood, but alternative production involving carbon dioxide sequestration, and sometimes more, is making headway. Christian Annesley surveys progress
Applications for industrial gases are always evolving, and one stand-out growth opportunity in 2024 and beyond lies in the expanding use of merchant carbon dioxide (CO2) injected in concrete and cement, alongside some other new process innovations in the space.
It is the scope of the opportunity that is so striking here, because concrete, and its CO2-intensive binding agent cement, is the most used resource in the world after water – and a potent contributor to carbon emissions. Of course, that also makes it a clear target for decarbonization efforts to limit global heating – in this case, with merchant CO2 front and center.
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