Characterization of Fly Ash from Coal Fired Thermal Power Station
Amit Kumar Yadav
School of Environment and Sustainable Development Central University of Gujarat, Sector - 30, Gandhinagar - 382030, Gujarat, India , IN
M. H. Fulekar
School of Environment and Sustainable Development Central University of Gujarat, Sector - 30, Gandhinagar - 382030, Gujarat, India , IN
Keywords: Fly ash, Thermal power station, XRD, SEM/EDXS, XRF, DLS, FTIR.
Abstract
The disposal of fly ash from coal-fired thermal power station is causing economic and environmental problems due to high disposal cost and large area of land required for ash disposal. The generation of huge amount of fly ash has increased the demands for utilization of fly ash as a value-added product used in materials such as cement, bricks, and blocks and in other construction materials. The purpose of this study is to the characterize fly ash sample for potential use. The paper studied the characterization of fly ash samples from thermal power stations were performed by using XRay diffraction (XRD), Scanning electron microscopy/Energy-dispersive spectroscopy (SEM/EDS), X-Ray fluorescence spectroscopy (XRF), Dynamic light scattering (DLS) and Fourier transform infrared spectroscopy (FT-IR) techniques. The mineralogical analysis of fly ash was performed by XRD. The morphology and elemental composition of fly ash were characterized by SEM/EDXS. The bulk chemical composition of fly ash was determined by XRF. The particle size distribution of fly ash was analysis by DLS and chemical bonding functional group analysis was studied by FT-IR spectrum.
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