Policy-minded startups charter Decarbonized Cement and Concrete Alliance

Ten companies aiming to lower carbon dioxide emissions tied to cement production and finished concrete have launched a first-of-its-kind, U.S. coalition dedicated to growing awareness around policies that will accelerate the adoption of CO2-wise solutions in public construction. Founding Decarbonized Cement and Concrete Alliance (DC2) members are commercializing technologies that a) offer organic or inorganic alternatives for full or partial…

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Precast Forte Group harnesses Recon Wall Systems, sister businesses

Leadership of licensing innovator Recon Wall Systems has unveiled The Precast Forte Group, a Minnesota-based parent entity affording clarity of purpose for each of four companies while sharing manufactured concrete domain expertise. On the strength of the Recon Wall Systems flagship, the Forte portfolio has grown to include proprietary product or structure designs, external licensing services, and marketing tools—each serving…

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Patio Drummond commercializes CarbiCrete block, CO2 metrics in tow

CarbiCrete, Montreal developer of a process where slag cement and carbon dioxide replace portland cement and steam in concrete masonry unit mixes and curing, has taken a critical step in commercialization thanks to its charter North American producer, Quebec-based Patio Drummond. After extensive testing and trials, the concrete hardscapes producer has begun selling CarbiCrete block directly from its Drummondville plant…

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CarbonCure, Heirloom pave path for Direct Air Capture, storage of CO2

Sources: CarbonCure Technologies, Halifax, Nova Scotia; Heirloom Carbon Technology, Brisbane, Calif.; CP staff CarbonCure Technologies and its concrete producer licensees will mineralize and permanently store atmospheric carbon dioxide from Heirloom Carbon Technology Direct Air Capture (DAC) assemblies under an agreement through early 2025. The plan advances the DAC-to-concrete storage pathway demonstrated earlier this year at the Central Concrete Supply headquarters…

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Pilot 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…

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Sublime Cement performance measures up to ASTM C1157 standard

Sources: Sublime Systems, Somerville, Mass.; CP 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 contrast to high temperature, fuel-intensive portland cement production, Sublime Cement…

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Terra 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,…

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Terra CO2 further validates SCM in Porsche dealership pour

Sources: Terra CO2 Technology Holdings, Golden, Colo.; CP staff Terra CO2 Technology, developer of equipment and processes netting low-carbon alternatives to portland cement, reports successful use of its OPUS Supplementary Cementitious Material (SCM) product for a demonstration pour at the Porsche Sugar Land dealership site in Houston. Concrete specimen testing by Texas-based Alpha Testing LLC confirms that the binder performs…

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Calcium silicate-rich binder clears ASTM C150 testing

Venture capital-backed Brimstone, Oakland, Calif. developer of a portland cement alternative processed from calcium silicate rock, reports third-party certification that its product meets or exceeds ASTM C150, Standard Specification for Portland Cement. Results from tests by Twining Consulting, Irvine, Calif. indicate a concrete binder identical in all respects—performance, safety and composition—to ordinary portland cement milled through conventional, carbon-intensive methods. “We…

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Harvard, MIT researchers peg cement + carbon energy storage prospects

Sources: Massachusetts Institute of Technology, Cambridge; CP staff An investigation based at Massachusetts Institute of Technology has revealed the potential of portland cement, water and carbon black, a common industrial mineral resembling ultrafine charcoal, to create a supercapacitor material suited to low-cost storage of energy derived from solar, wind and tidal power sources. MIT and Harvard University researchers see the…

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