As 2010 was winding down, the Salt River Materials Group Phoenix cement plant in Clarkdale, Ariz., was recently honored with the U.S. Environmental Protection Agency (EPA) Energy Star label for 2010. The plant had received its first label in 2007 and has been labeled every year thereafter.
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MIT: Operation accounts for lion’s share of structures’ CO2 emissions
Preliminary findings from Concrete Sustainability Hub research aimed at a new life-cycle assessment (LCA) model suggest that service phase encompasses 85% and 90% of carbon dioxide emissions, respectively, from highway pavements and residential buildings. Ongoing studies at the MIT-hosted Hub will quantify paving and building materials’ cradle-to-grave environmental costs, yielding what staff contends is the most comprehensive LCA model to…
Read MoreFive Holcim plants earn EPA’s Energy Star
Holcim (US) Inc. announced recently that for the third consecutive year, its Devil’s Slide plant in Morgan, Utah and the plant in Theodore, Ala., have earned the U.S. Environmental Protection Agency’s (EPA) Energy Star. In addition, the newly commissioned Ste. Genevieve plant in Bloomsdale, Mo., the Trident plant in Three Forks, Mont., and the plant in Holly Hill, S.C. were…
Read MoreTechnology shears cost of processing fly ash to match silica fume performance
A New York investor announced, at 2011 World of Concrete last month in Las Vegas, an industrial-scale process economizing the grinding of fly ash, or secondary grinding of ground granulated blast furnace slag or portland cement, to 6-, 3- or 1-micron median particle sizes. With $30 to $75 per ton processing plus $20 to $100 per ton raw feed (fly…
Read MoreARRA spending decreased in November
According to a recently released Portland Cement Association Market Intelligence report, 60.6% of total American Recovery and Reinvestment Act (ARRA) highway funds have been dispersed through November, compared to 56.7% in October. November highway stimulus spending was $1.047 billion, an 11% decrease from October’s spending rate. Monthly spending levels in September were the highest level to date. Spending has averaged…
Read MorePCA Economist Sullivan presents tepid residential outlook at IBS
Ed Sullivan, Portland Cement Association’s chief economist, presented his residential construction forecast and how it compared to the consensus of construction economists’ expectations at the 2011 International Builders’ Show on Jan. 12 in Orlando, Fla.
Read MoreA Conversation with PCA Chairman Aris Papadopoulos, CEO, Titan America
In this exclusive interview with Cement Americas, the new PCA Chairman discusses sustainability initiatives, emphasizing resilience, oppressive regulations, the politics of doing business, and when he believes the industry will emerge from the recession.
Read MoreCartridge filters
The firm’s E-86 Series Cartridge Filters offer high filtration efficiencies in compact housings. The 8.6-in.-diam, spun-bonded polyester filter cartridges, for which the E-86 is named, are washable and easy to replace. To meet differing needs, E-86 Filters can be ordered in many sizes, with from two to 200 cartridges. Cleaning is by a Pulse Jet System augmented by proprietary venturi…
Read MoreCatalyst Filter Technology
This technology leader in air pollution control has announced an advancement in the control of NOx at temperatures as low as 350oF. UltraCat Catalyst Filters provide as much as 95% NOx removal at the operating temperatures of most industrial boilers. Dioxins are also destroyed by the catalyst at 97% to 99% efficiency. For carbon monoxide (CO), a successful strategy for…
Read MoreParticulate Measurement Systems
The recent promulgation of the Portland Cement NESHAP by the Environmental Protection Agency poses new emissions-monitoring and -measurement challenges for cement producers. This leader in the design, manufacturing, and support of emissions-monitoring and -measurement solutions offers cost-efficient, advanced measurement solutions for particulate matter (PM) and mercury that can help meet the new requirements.
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