New test stands to increase fly ash marketers’ raw feed sources

Penn State University Department of Civil and Environmental Engineering researchers’ “Evaluation of Two-Atmosphere Thermogravimetric Analysis for Determining the Unburned Carbon Content in Fly Ash” has received the 2019 Outstanding Article Award by the ASTM International Journal of Advances in Civil Engineering Materials.

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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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