Mineralogical, microstructural and thermal characterization of coal fly ash produced from Kazakhstani power plants

Tauanov, Z. and Abylgazina, L. and Spitas, C. and Itskos, G. and Inglezakis, V. (2017) Mineralogical, microstructural and thermal characterization of coal fly ash produced from Kazakhstani power plants. IOP Conference Series: Materials Science and Engineering, 230 (1). 012046. ISSN 1757-899X

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    Abstract

    Coal fly ash (CFA) is a waste by-product of coal combustion. Kazakhstan has vast coal deposits and is major consumer of coal and hence produces huge amounts of CFA annually. The government aims to recycle and effectively utilize this waste by-product. Thus, a detailed study of the physical and chemical properties of material is required as the data available in literature is either outdated or not applicable for recently produced CFA samples. The full mineralogical, microstructural and thermal characterization of three types of coal fly ash (CFA) produced in two large Kazakhstani power plants is reported in this work. The properties of CFAs were compared between samples as well as with published values.