Shrinking the Environmental Footprint

According to Command Alkon, decarbonization of the cement and construction industry is essential to reach the goals set out in the 2015 Paris Agreement, which seeks to limit global warming to well below 2 degrees Celsius, preferably to 1.5 degrees Celsius, compared to pre-industrial levels. This includes a goal to reach net zero global greenhouse gas emissions by 2050. Importantly,…

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Researchers Underestimate CO2 Sequestration Rate in Dry-Cast Concrete

A new ASTM International paper presents results of a National Concrete Masonry Association (NCMA) Education and Research Foundation investigation quantifying the amount and rate that machine-molded concrete products absorb and permanently lock up atmospheric carbon dioxide. “Conceptual Test Protocols for Measuring Carbon Sequestration of Manufactured Dry-Cast Concrete Products” covers lab work undertaken to develop and refine procedures that deliver repeatable,…

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Lehigh Cement Plant Transitions to EcoCem

The Lehigh Cement plant in Union Bridge, Md. will see primary output shift from ordinary portland cement to the branded EcoCem portland-limestone cement –clinker + up to 10% finely graded limestone.  Union Bridge is presently the producer’s largest plant in North America; the switch to the branded Type IL cement positions the mill to avoid approximately 126,000 tons of carbon…

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