Canadian artisan David Umemoto has teamed with Cemvision, Stockholm-based developer of portland cement alternative binders, on a demonstration of low carbon concrete interpreted in a sculpture whose eight pieces representing building blocks toward a sustainable future. While better construction materials are critical, Cemvision officials contend, a broader movement among designers, suppliers and regulators is needed to transform the present production…
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Chryso EnviroAdd cement activator counters Type IL mix pitfalls
Sources: Chryso Inc., Royse City, Texas; CP staff Chryso North America will arrive at World of Concrete 2025, January 20-23 in Las Vegas, with a portland cement clinker grinding aid formulated to address lower compressive strength, plastic shrinkage, variable set time and other performance issues concrete practitioners encounter when using Type IL portland limestone cement in lieu of traditional ASTM C150…
Read MoreFacebook host Meta drives CarbiCrete launch at Canal Block
Sources: CarbiCrete, Montreal; CP staff Facebook administrator Meta Platforms continues to walk the walk and talk the talk on construction material carbon management. Most recently, it has committed to a carbon financing collaboration enabling deployment of CarbiCrete concrete masonry unit equipment and technology at Ontario-based Canal Block, and expanding capacity at Quebec peer Patio Drummond, charter CarbiCrete operator. The CarbiCrete…
Read MoreDoka moves first on Science Based Targets initiative commitment
Sources: Doka USA, Kenilworth, N.J.; CP staff Through a sustainability strategy dubbed “Net Zero 2040,” key concrete formwork and scaffolding provider Doka has aligned its carbon dioxide emissions reduction goals with the Science Based Targets initiative terms. London-based SBTi provides producers, suppliers or manufacturers with auditing services and guidance aimed at limiting CO2 emissions volumes sufficient to cap the rise of…
Read MoreHeidelberg Materials to add Giant Cement Holding
Sources: Heidelberg Materials North America, Irving, Texas; CP staff Heidelberg Materials North America has strengthened its Southeast and New England market prospects, entering a definitive purchase agreement to acquire Giant Cement Holding Inc. (GCHI) plus subsidiaries Giant Cement Co., Dragon Products Co. and Giant Resource Recovery, from the Fortaleza, Uniland and Trituradora groups. The $600 million asset transaction includes Giant…
Read MoreCarbonBuilt poised for new plant deployments with Meta backing
CarbonBuilt and Facebook host Meta Platforms have announced a plan to broaden adoption of the former company’s Reversa binder and process technology, where carbon dioxide is sequestered in concrete and mix designs require lower than normal volumes of CO2-intensive portland cement. “Meta is prioritizing a multifaceted approach to decarbonization in hard-to-abate sectors like concrete. Our collaboration with CarbonBuilt will help…
Read More$85M funding round propels Fortera beyond CalPortland plant model
The Silicon Valley developer of the ReCarb process, where carbon dioxide from cement or other industrial plant emissions is mineralized and converted to concrete-grade ReAct binder agents, has secured $85 million in Series C funding to pursue additional plant installations after this year’s charter facility deployment at the CalPortland Co. Redding, Calif. mill. Fortera reports participation from previous investors Khosla…
Read MoreSteel giant Gerdau enters graphene admixture sphere
A nanotechnology-driven business under Gerdau S.A., São Paulo, has a developed a line of water-based graphene nanoplate admixtures formulated to reduce portland cement requirements in mix designs and improve finished concrete mechanical performance. The premier Gerdau Graphene product, NanoCONS W104, especially suits precast production and delivers: Like other nanotechnology developers focused on carbon atoms forming 2D (plate or platelet) or…
Read MoreFly ash-grade aluminosilicates surface in lithium processing
Toronto-based Rock Tech Lithium Inc. cites the potential to extract a supplementary cementitious material from leached spodumene concentrate (LSC), a byproduct of its lithium hydroxide processing whose typical chemical composition is primarily aluminosilicates (65 percent SiO2, 25 percent Al2O3). With an eye to electric battery markets, Rock Tech plans to commercialize the lithium hydroxide process through construction of converter facilities…
Read MoreCRH, Holcim bring $75M combined to Sublime Systems partnerships
Sources: Sublime Systems, Somerville, Mass.; CP staff Sublime Systems, developer of an electrochemical process netting ASTM C1157-grade binder at markedly reduced carbon dioxide emissions levels versus portland cement, is teaming with CRH Plc and Holcim Ltd. to advance a premier Sublime Cement facility in Holyoke, Mass. The global cement, aggregate and concrete producers’ $75 million Sublime Systems investment anchors a…
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