Concrete, the most extensively used manmade material worldwide, contributes an estimated 8 percent of anthropogenic greenhouse gas emissions. With annual volume running 30 gigatonnes, concrete consumption is over 3.5 tonnes of per person. The majority of the GHG emissions (88.5 percent) emanate from production of portland cement, the essential ingredient in concrete. Carbon sequestration in concrete presents a promising avenue…
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Testing device expedites measurement of hardened concrete CO2 uptake
Sources: University of Tokyo; CP staff University of Tokyo researchers have unveiled the concrete thermal gravimetry and gas analyzer, a boxlike device gauging carbon dioxide absorbed in hardened specimens. A concrete block placed inside the device is heated to 980°C, releasing CO2 and other readily measured gases. The process takes about one-third of the time of the current measurement method, which…
Read MoreTitan parent follows Argos, CRH, Holcim path to Wall Street listing
Sources: Titan Cement International S.A., Brussels; CP staff Euronext Brussels-traded Titan Cement International has informed investors of an initial public offering of shares in Virginia-based Titan America, which reported $1.6 billion in 2023 cement, supplementary cementitious material, aggregate and ready mixed concrete sales across coastal Mid-Atlantic and Southeast operations. With a projected early-2025 completion on a Wall Street exchange, the…
Read MoreLafarge Canada drives circular economy via CarbiCrete partnership
Sources: Lafarge Canada Inc., Montreal Lafarge Canada has teamed with CarbiCrete, Quebec-based concrete binding agent and curing method developer, to process steelmaking byproduct at its St. Constant – Montreal East manufacturing cluster and extend the latter company’s market prospects. CarbiCrete technology enables the conversion of formerly sub-grade, often landfill-bound steel slag to cementitious material with binding capacity affording full portland…
Read MorePilot production line broadens Solidia SCM lab testing, field trials
Sources: Solidia Technologies, San Antonio, Texas; CP staff Solidia Technologies is ramping up production of a proprietary supplementary cementitious material with the activation of a new pilot line at its expanded Texas headquarters. The equipment will increase the producer’s SCM capacity 25-fold, thereby allowing customers and prospects to test the engineered, performance binding agent in lab and field conditions. Solidia…
Read MoreHolcim Ltd. backs Nanolike, IoT-powered SiloConnect developer
Sources: Nanolike, Toulouse, France; CP staff The parent company of Holcim US and Lafarge Canada has announced an investment in Nanolike, whose Internet of Things technology-equipped SiloConnect platform is programmed to ensure users the right amount of cement at the right time. A plug and play solution with versatile sensors, SiloConnect automates the ordering process and provides users automated silo…
Read MoreTerra CO2, Asher Materials confirm 2024 target for 240K tpy SCM plant
Source: Terra CO2 Technology, Boulder, Colo.; CP staff Asher Materials of Southlake, Texas has secured an exclusive market license for the first commercial-scale facility processing Terra CO2 Technology’s premier concrete binder, OPUS Supplementary Cementitious Material. A definitive agreement calls for the green building method consultancy to acquire the 240,000 ton per year capacity operation, located in the Dallas-Fort Worth market,…
Read MoreHolcim, Martin Marietta veteran Allen rounds out Terra CO2 C-suite
Supplementary cementitious material process developer Terra CO2 Technology has appointed Chance Allen as chief operating officer, ahead of an early-2024 groundbreaking on a charter production facility for the Golden, Colo. company’s flagship offering, OPUS SCM. Allen arrives after a nearly four-year tour as Holcim US regional head, Western United States and 20-plus years in Martin Marietta Materials vice president and…
Read MoreProducers – May 2023
Solidia Technologies is expanding production of its proprietary supplementary cementitious material in San Antonio, Texas, where it recently relocated headquarters from New Jersey. The engineered product improves the durability, workability, and overall properties of concrete, while mineralizing captured carbon dioxide to reduce by 30-40 percent the greenhouse gas emissions associated with finished slabs or structures. With significantly more SCM capacity…
Read MoreSolidia Technologies raises SCM capacity at new Texas headquarters
Sources: Solidia Technologies, San Antonio Solidia Technologies is expanding production of its proprietary supplementary cementitious material in San Antonio, Texas, where it recently relocated headquarters from New Jersey. The engineered product improves the durability, workability, and overall properties of concrete, while mineralizing captured carbon dioxide to reduce by 30-40 percent the greenhouse gas emissions associated with finished slabs or structures. …
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