Beneficial Reuse of Coal Ash from Dominion Energy Coal Ash ...
Nov 30, 2017· Boiler Slag Hard, black, angular particles that from the quenching of collected molten bottom ash from the bottom of the coalfired furnaces. Boiler slag historically comprised 4% of the coal ash generated annually and about 2% of the CCPs produced. Fluidized Bed Combustion ash – FBC ash is generated from a modern coal combustion