... “optimal,” “completed faster,” “of lower embodied carbon,” and “less prone to early and longer-term deflection.” In under three years, structural engineers and agencies have acknowledged Orca aggregate ...
... traces of carbon dioxide.
The post-EPA 2010 era has yielded single exhaust aftertreatment packages combining nitrogen oxide-treating selective catalytic reduction and diesel exhaust ...
... company headquarters keeps the Waugh Chapel Plant at the center of environmental management practices—carbon dioxide-based pH process water adjustment among them.
Community outreach ...
... levels by a Fortrans carbon dioxide treatment system, then conveyed to a Water Treatment Solutions EnviroSystem Model #15. With a 15-cu.-ft. filter press of 30 800-mm square plates, the EnviroSystem is ...
... for cost-benefit analysis in rulemaking. Consistent with the President Donald Trump’s Executive Order 13783, for example, EPA updated the social cost of carbon to reflect prior and best practices. While ...
... red, white, or blue, sized at 3.3- x 1.2-in. Each light has six high-performance LEDs to deliver superior brightness and performance in steady-on or flashing modes. The durable polycarbonate housing and ...
... 5: Due to anthropogenic activities Due to changes in radiative balance, increases in surface albedo can offset increases in carbon dioxide emissions, impacting climate change. IMAGE: Xu, Gregory and ...
... or a third of the shrinkage found in portland cement.
Sigma 4 – Sustainability
It is estimated that portland cement production worldwide contributes to about 5-10 percent of the anthropogenic carbon ...
... carbon dioxide-based pH adjustment for process water in lieu of sulfuric acid dosing. The Leesburg RMC plant’s relatively small footprint necessitates conventional returned-concrete handling methods: winrowing, ...
Fresno, Calif.-based Outback Materials has teamed with CarbonCure Technologies, a developer of carbon dioxide-sequestering processes, on one of the initial contracts for the high-speed rail project linking ...
... active cement from setting and clogging cloth pores on the press.
Water Treatment Solutions also offers a pH adjust system that utilizes an injection of carbonic acid formed by the combination of carbon ...
... of pure carbon derived from mineral or synthetic graphite.
Among newer companies formulating concrete admixtures through nanotechnology is Australia-based NanoGraphene Inc., whose material imparts ...
Two leading developers of carbon dioxide-based processes for concrete production, curing and portland cement substitution or optimization are among four entities advancing to Innovative Carbon Use, round ...
... as overspecification increases costs and a project’s carbon footprint, while potentially compromising performance, say Karthik H. Obla, Ph.D, P.E., Rongjin Hong and Colin L. Lobo in their peer-reviewed ...
Sources: Solidia Technologies, Piscataway, N.J.; CarbonCure Technologies, Halifax, N.S.; CP staff
Two leading developers of carbon dioxide-based processes for concrete production, curing and portland ...
... carbon footprint and greenhouse gas emissions while reducing potential impacts associated with petroleum storage and spills.
EASTERN REGION SECOND PLACE
CENTRE CONCRETE COMPANY
STATE COLLEGE ...
U.S. portland cement production accounts for just under 2.3 percent of carbon dioxide-equivalent (CO2e) emissions in the Environmental Protection Agency Greenhouse Gas Reporting Program 2015 data, which ...
Sources: U.S. Environmental Protection Agency; CP staff
U.S. portland cement production accounted for 2.3 percent of carbon dioxide-equivalent (CO2e) emissions in EPA Greenhouse Gas Reporting Program ...
... cement market leans toward binder solutions with lower portland cement clinker factor, which in turn equates to carbon dioxide emissions reduction.
C-ADD production has commenced at a Garland, Texas, ...
... Drew stressed the emergence of such green building practice metrics as materials’ embodied carbon dioxide emissions and how project teams are measuring them against buildings’ operating-phase carbon factors. ...