Characterization and Comparative Study of Fly ash from Various Sources for its Sustainable Utilization
Keywords:
Fly ash, Sustainable development, Characterization, AdsorptionAbstract
Fly ash is a waste product generated from various sources in very large quantities around the globe. Effective utilization of fly ash which not only reduces disposal problems but also leads to sustainable development. In this study, characterization of five different fly ash samples was performed using Brunauer–Emmett–Teller (BET), X-Ray Fluorescence (XRF), Scanning Electron Microscopy (SEM), Fourier Transform Infrared Spectroscopy (FTIR) and Thermo-gravimetric Analysis (TGA) techniques. The presence of SiO2, Al2O3 and CaO as the major constituents and irregular surfaces of fly ash support adsorption process. The comparative study of fly ash samples showed various characteristics depending on the source of the sample and environmental conditions. Sample collected from sugar factory was found to have comparatively more surface area and good adsorption property. Hence it can further be utilized for the pre-clean up treatment of samples having diverse nature.
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