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The surface chemistry of leaching coal fly ash
1Department of Chemical Engineering, University of Queensland, St. Lucia, Australia. ramai_i@hotmail.com
Journal of Hazardous Materials
|July 26, 2002
Abstract:
The utilization of coal fly ash in the construction and non-construction areas has seen a rapid growth in the last decade. As production outweighs the utilization of fly ash, its disposal as a dilute or dense slurry is still practiced in coal fired power stations. In this review the surface chemistry of leaching coal fly ash is presented to highlight the role of mass transfer in providing resistance and consequently delayed leaching of elements, when fly ash is disposed or used for value addition.