Wastewater-derived biosolids seed fly ash alternative

Sources: Aries Clean Energy LLC, Franklin, Tenn.; CP staff

Aries Clean Energy has secured approval to build its first large-scale fluidized bed gasification system, engineered to convert 400 tons of biosolids per day into 7 million to 7.5 million cu. ft. of renewable, low-Btu synthesis gas plus 22 tons of biochar, the latter a raw feed for processing a concrete-grade fly ash substitute.

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Report qualifies life cycle aspect of robust construction methods

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A new Portland Cement Association report presents historical data, evidence from external sources, and structural material comparisons supporting the premise: Cast-in-place or precast concrete, or concrete masonry construction methods lead to longer lasting buildings owing to their ability to stand up to normal wear and tear plus resistance to extreme weather events.

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Finfrock slab/truss system keeps scores more student housing

A 700-bed, $148 million residence hall at Florida A&M University is the latest project on the DualDeck Building System roster of Finfrock, an Orlando-based precast/prestressed producer and design/build contractor. Upon delivery of the two new buildings in 2020, the company will have completed seven student housing buildings using the patented system, consisting of steel truss-linked top and bottom precast concrete sections functioning as floors and ceilings in multi-story construction.

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Hardscape North America management adds pavilion, opens registration

Organizers of the largest trade show serving segmental retaining wall unit and concrete or clay paver producers and their customers, Hardscape North America (HNA), have opened registration for the Kentucky Exposition Center gathering, October 16-18 in Louisville, and announced new indoor and outdoor exhibit/demonstration hours, keynote speakers and VIP education pass offerings.

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Mason Contractors stack recruitment points 10 high

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The Mason Contractors Association of America Marketing and Workforce Development Committees are targeting high school students in a two-minute video loaded with candid perspectives from member employees on rewarding-career prospects. As mason employment levels and wages rise, while college students confront high tuition and uncertainty surrounding market demand for degrees leaving them loaded with debt, MCAA spells out the “Top Ten Reasons to Join the Masonry Team.”www.masoncontractors.org

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