Sources: Terra CO2 Technology, Boulder, Colo.; CMCM staff Asher Materials has secured an exclusive market license for the first commercial-scale facility dedicated to Terra CO2 Technology’s premier concrete binder, OPUS Supplementary Cementitious Material, equal to replacing up to 40 percent of higher carbon portland cement in mix designs. A definitive Read more…
Sources: Sublime Systems, Somerville, Mass.; CMCM staff Third-party testing confirms that Sublime Systems’ namesake concrete binder, produced with sharply lower carbon dioxide emissions metrics than portland cement, exhibits strength development, durability, low shrinkage and other engineering properties matching or exceeding ASTM C1157, Standard Performance Specification for Hydraulic Cement benchmarks. In Read more…
Sources: Valmont Industries Inc., Omaha, Neb.; CP staff The top concrete power transmission and distribution pole producer has marked an inflection point in (GHG Protocol-defined) Scope 2 and 3 emissions and (Environmental Product Declaration-cited) global warming potential metrics at its Bristol, Ind. plant. Valmont Industries’ new $35 million operation is Read more…
Sources: Global Cement and Concrete Association, London; CMCM staff The Global Cement and Concrete Association has shortlisted nine North American startups for the 2023 Innovandi Open Challenge, soliciting technologies that lower the carbon factor in finished concrete: • Arrakis Materials, Woburn, Mass.; carbon-negative materials for concrete mixes • Chement, Chicago; electrochemical process Read more…
Sources: World Economic Forum, Geneva; CMCM staff Sublime Systems, Massachusetts developer of an alternative binder to portland cement for concrete, is among 100 early-stage companies named to the World Economic Forum 2023 Technology Pioneer cohort. Part of the Innovator Communities within the WEF Centre for the Fourth Industrial Revolution, Technology Read more…
Sources: Port Authority of New York and New Jersey; CP staff Infrastructure and building project concrete schedules for the United States’ top local agency will soon reflect maximum carbon dioxide emissions limits—equivalent to a 25 percent or greater reduction in portland cement content—plus portland limestone cement and ground glass pozzolans Read more…
Sources: Heidelberg Materials, Irving, Texas; CP staff 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 percent finely graded limestone—by no later than January 2023. Union Bridge is presently the producer’s largest Read more…
Sources: Titan America LLC, Norfolk, Va.; CP staff Titan America has become the first U.S. producer to fully switch its ASTM C150 Type I/II portland cement to ASTM C595 Type IL or portland-limestone cement. This lower carbon powder utilizes conventional clinker and gypsum, typically blended with up to 15 percent Read more…
Executives of National Cement Company of Alabama Inc., parent National Cement Company Inc., and ultimate parent Vicat Group, Paris, staged a late-July dedication of a new production line at their Ragland, Ala. plant. A Kiln 2 ribbon cutting capped a two-year, $300 million project that brings annual Ragland capacity above Read more…
Sources: Rondo Energy, Oakland, Calif.; CM2 staff Industrial heat battery developer Rondo Energy has unveiled two charter models, the RHB100 and RHB 300, equipped to capture intermittent electricity from renewable power sources and store it at high temperatures for hours or days. Rondo Heat Batteries store more than 1 MWh Read more…