Portland cement has been synonymous with construction for nearly two centuries. Despite the U.S. regionalism suggested by its name, the material in factThe Portland Cement Association is considering a rebranding, including changing the name of the association itself. Last month, members were offered the opportunity to participate in a survey to share their “perspective on this important initiative.
However, Ireland adds Portland cement alone no longer adequately represents the increasing number of blended cement products PCA member companies manufacture. HOLCIM – At Holcim’s cement plant in Lägerdorf, Germany, the company is piloting carbon capture technology to capture more than one million tons of CO2 annually for use as a raw material for different industries in the region.
DC2 members are carving individual paths towards low-emission cement and concrete. Some now use electric kilns. Others employ a variety of carbon capture techniques to create additives that can be put back into the product to either replace or reduce the amount of limestone or Portland cement used. “Another 20 per cent are related to other sustainability drivers such as 3D printing, a great example of smart design that can reduce material use by up to 50 per cent.”
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