2014•Advanced materials researchOpen access

Experimental Study of CFB Modification Fly Ash in Concrete

Rong Xu, Yan Kai Huo, Teng Bin, Si Hai Song

Abstract

The character of the Fly ash of Circulating Fluidized Bed Boiler (CFB Fly ash) is greatly different from that of Pulverized coal furnace for its high unburned carbon. In order to make effective use of CFB Fly ash in concrete, carbon content was decreased by simulated fluidized bed combustion in laboratory and a series of concerned experiments were carried out on CFB Fly ash. The experimental results indicate that CFB modification Fly ash is possible to be used in concrete to partially replaced cement. It is a valuable reference for CFB Fly ash technical engineers.

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Key concepts: Fly ash, Fluidized bed combustion, Pulverized coal-fired boiler, Waste management, Combustion, Boiler (water heating), Coal, Environmental science