1999
DOI: 10.1021/ef9801569
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Behavior of Chloride during Coal Combustion in an AFBC System

Abstract: Two 1000-h burns were conducted with the 12-in. (0.3 m) laboratory AFBC system at Western Kentucky University. Operating conditions similar to those used at the 160-MW AFBC system at the TVA Shawnee Steam Plant located near Paducah, KY, were used. A low-chlorine (0.012% Cl and 3.0% S) western Kentucky No. 9 coal and a high-chlorine (0.28% Cl and 2.4% S) Illinois No. 6 coal were used in this study. Four different metal alloys [carbon steel C1020 (0.18% C and 0.05% Cr), 304 SS (18.39% Cr and 8.11% Ni), 309 SS (2… Show more

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Cited by 16 publications
(17 citation statements)
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“…HCl is the dominant species existing in the flue gas at the outlet of boilers, accounting for 85.1–88.0%, while the proportional values of Cl 2 and Cl p are relatively lower, accounting for 1.2–2.4 and 9.8–13.7%, respectively. This observation is similar to what was reported by other researchers. , Sufficient contact between flue gas and ESP or FF ash and the use of an in-furnace desulfurization reagent are beneficial from gaseous chloride to particulate-bound chloride . The reactions between HCl and limestone can be interpreted by reactions and .…”
Section: Resultssupporting
confidence: 89%
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“…HCl is the dominant species existing in the flue gas at the outlet of boilers, accounting for 85.1–88.0%, while the proportional values of Cl 2 and Cl p are relatively lower, accounting for 1.2–2.4 and 9.8–13.7%, respectively. This observation is similar to what was reported by other researchers. , Sufficient contact between flue gas and ESP or FF ash and the use of an in-furnace desulfurization reagent are beneficial from gaseous chloride to particulate-bound chloride . The reactions between HCl and limestone can be interpreted by reactions and .…”
Section: Resultssupporting
confidence: 89%
“…The result showed that reducing the particle size of limestone can significantly increase the reaction rate of CaO–HCl. Besides, when the temperature is over 450 °C, part of HCl can be oxidized to Cl 2 , which can be interpreted by reaction . , It is seen from Table that the concentrations and proportional values of Cl 2 at the outlet of boilers 1 and 2 are higher than those at the outlet of boiler 3, which corresponds to the relatively higher O 2 concentration at the outlet of boilers 1 and 2 than that in boiler 3. The results indicate that the concentrations and proportional values of Cl 2 are positively correlated with the concentration of O 2 in the flue gas at the outlet of boilers. …”
Section: Resultsmentioning
confidence: 97%
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