is prepared for EDIS publication Recycling and Reuse of Fly Ash Produced by Coal Burning Power Plants
نویسندگان
چکیده
What is fly ash? Fly ash consists of the lighter particles that travel up from the coal furnaces during combustion. Bottom ash is the heavier particles that cling to the sides of the furnace and do not escape during the burning of coal. Fly ash particles range in size from 1 to 100 micrometers in diameter (EPRI, 2009) and are comprised of silica, alumina, calcium oxides and iron oxides (EPRI, 2009; Gutierrez et al., 1993; Izquierdo and Querol, 2012). Minor components of fly ash include magnesium, potassium, sodium, sulfur and
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