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…
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Holcim to test electric powertrains in South Central tractor fleet
Holcim US has spec’ed Hyliion Hypertruck ERX electric powertrains for 10 tractors serving Texas and Oklahoma cement and concrete operations, plus sister roofing product businesses. Batteries powering the Hypertruck ERX draw from an onboard generator running on compressed natural gas (CNG) or renewable natural gas (RNG), consumption of which compares favorably against diesel fuel when measuring carbon dioxide emissions. Holcim…
Read MoreIndustry producers cruise ahead of CO2 emissions reporting rule
Examples of carbon dioxide emissions reporting by public cement, concrete and aggregate producers accompany an overview of the U.S. Securities and Exchange Commission-proposed “The Enhancement and Standardization of Climate-Related Disclosures for Investors” rule (pages 12-13). Through guidance detailing environmental metrics, operators like Charah Solutions, Holcim Ltd., Summit Materials and Vulcan Materials rise to a familiar position: Ahead of the regulatory…
Read MoreEuclid acquires Chryso’s NA cement grinding aid, additives business
Sources: Euclid Chemical, Cleveland; CP staff Euclid Chemical has expanded its concrete admixture and construction chemicals portfolio with the Chryso Inc. cement grinding aid and additives business, along with related intellectual property, in North America. The business spans Conventional Grinding Aid, Strength Enhancer, Technical Additive and Chromium VI Reduction groups. The first two include agents for improving fineness characteristics and…
Read MoreReport spells code-geared carbon benchmarks
The most recent New Buildings Institute (NBI) report presents language to incorporate embodied carbon requirements in codes, and explains the need for jurisdictions to address such criteria for materials or products with the highest carbon dioxide emissions factors. “Lifecycle GHG Impacts in Building Codes” presents potential CO2 benchmarks or thresholds for ready mixed concrete, rebar and structural steel based on…
Read MoreCarbiCrete secures $12 million upon venture capital phase arrival
Sources: CarbiCrete, Montreal; CP staff CarbiCrete, developer of a mix design and curing methodology capturing up to 150 kg (330 lbs.) of carbon dioxide emissions for every metric ton of manufactured concrete produced, has secured $12 million at the first close of its Series A financing round, with a second close anticipated in the coming weeks. Round leader FS Investors,…
Read MoreTop LafargeHolcim mills sustain portland limestone momentum
The Holcim (US) Ste. Genevieve plant in Missouri and Lafarge Alpena plant in Michigan have transitioned to production of OneCem portland limestone cement (PLC), lowering by 10 percent the carbon intensity of their ordinary Type I/II powder. A high-performance blended cement milled from conventional clinker and up to 10 percent finely ground, premium limestone, OneCem has been rigorously tested and…
Read MoreEco Material Technologies launch unites Boral Resources, Green Cement
Sources: Eco Material Technologies, New York; CP staff With the backing of New York middle market operator One Equity Partners (OEP), Wall Street investor Warburg Pincus LLC, and subscribers to a $525 million Green Bond, Eco Material Technologies has closed on Utah-based Boral Resources, North American fly ash market leader, and Texas-based Green Cement Inc., processor of PozzoSlag and other…
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…
Read MoreLafargeHolcim, Lafarge Canada spotlight low-carbon mix designs
Traditionally carbon intensive, the cement industry is seeing a significant change in how specifiers, architects and customers are looking at building materials through the lens of environmental impact. In response to demand for products with a lower carbon footprint, Lafarge and LafargeHolcim concrete operations in Canada and the United States have partnered to raise awareness that environmentally-friendly, cement-based products are…
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