Chemical and physical transformations of coal ash during combustion and deposition in gas turbine environments have been studied. Extensive characterization of the coal-water mixture fuel and deposits obtained on deposition pins and turbine nozzle vanes has been performed. The behavior of alkali metals has been found to be much different from that for petroleum fuels, resulting in lower than expected deposition and probable reduced corrosion rates.
Ash Behavior During Combustion and Deposition in Coal-Fueled Gas Turbines
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Spiro, C. L., Kimura, S. G., and Chen, C. C. (July 1, 1987). "Ash Behavior During Combustion and Deposition in Coal-Fueled Gas Turbines." ASME. J. Eng. Gas Turbines Power. July 1987; 109(3): 325–330. https://doi.org/10.1115/1.3240043
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