Sources: Prometheus Materials, Boulder, Colo.; CP staff Prometheus Materials, developer of a micro-algae binder alternative to portland cement, has proved the efficacy of its material in concrete masonry units, successfully testing specimen blocks to ASTM C129-22, Standard Specification for Nonloadbearing Concrete Masonry Units and C90, Standard Specification for Loadbearing Concrete Masonry Units performance requirements. “We are thrilled to have achieved…
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Cemex reaches volume watermark with low carbon concrete mix deliveries
Cemex USA has delivered more than 1 million yd. of Vertua for public and private projects in California, where the lower carbon mix recently debuted as part of the producer’s Future in Action program. When measured on embodied carbon metrics, Vertua offers carbon dioxide emission reduction of at least 30 percent against ordinary portland cement concretes. Golden State customers have…
Read MoreAllen-Villere Partners, Rock Products take construction “Pulse”
Source: Rock Products Magazine Concrete Products’ sister publication, Rock Products, has launched “The Pulse,” a quarterly construction industry economic report, and the monthly AVP Pulse Index. Both are joint efforts with Allen-Villere Partners, leading merger & acquisition advisor to aggregate and concrete operators, and debut in the January edition. The premier Pulse is rich in data from authoritative private and public sources alike:…
Read MoreTitan America fully converts Pennsuco, Roanoke plants to Type IL
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 limestone at the grinding lines of Roanoke Cement in Virginia…
Read MoreCemex ‘Spider Tracker’ sensors gauge mix temperatures wire-to-wire
Cemex, S.A.B. de C.V. has announced a proprietary technology, dubbed “Spider Tracker,” that monitors concrete during placing and hardening to measure strength development in real-time. It enables contractors to remove formwork at precisely the right moment and make informed decisions about the concrete specified for their jobs. Such actions can result in time and cost savings and potentially a reduction…
Read MoreNational Cement doubles flagship mill capacity, calms CO2 emissions factor
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 2 million short tons and assures a sharp reduction in…
Read MoreBreakthrough Binder
Investors targeting reduction of the carbon dioxide emissions factor in portland cement and concrete have focused on methods capturing, using or storing the greenhouse gas, plus new means of generating the high temperatures fossil fuel-fired cement kilns need to convert limestone and other raw feeds to clinker. A Longmont, Colo. startup has garnered backing for technology paving a different path…
Read MoreInvestors commit nearly $50M to SCM, Blended-CM developer Terra CO2
Sources: Terra CO2 Technology, Golden, Colo.; CP staff A just-closed $46 million Series A funding round will support commercial scale production and further market development of Terra CO2 Technology’s OPUS SCM (Supplementary Cementitious Material) and BCM (Blended-Cementitious Material) brands, which offer alternatives to Class F fly ash (10-40 percent dosage rate), as regional market conditions warrant, and low-carbon substitutes (≤…
Read MoreEco Material balances SCM portfolio with natural pozzolan mine venture
Sources: Eco Material Technologies, South Jordan, Utah; CP staff Arizona customers and public officials joined Eco Material for a June 21 ribbon cutting at the Kirkland Pozzolan Mine, located in hilly, desert terrain 75 miles northwest of Phoenix. CEO Grant Quasha credited construction and mining teams, as well as plant equipment suppliers, with creating a world class facility—one advancing the…
Read MoreCemex concentrates solar heat for calcining, clinker production first
Sources: Cemex S.A.B. de C.V., Monterrey, Mexico; CP staff In a joint project at the Very High Concentration Solar Tower of Spain’s IMDEA Energy, Cemex and Swiss sustainable fuels specialist Synhelion report processing of the world’s first “solar clinker.” Research and development teams set up a pilot batch production unit to weigh and transfer limestone, clay and other raw feeds…
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