Flue gas interactions of mercury, chlorine, and ash during coal combustion
Conference
·
OSTI ID:585346
- Univ. of North Dakota, Grand Forks, ND (United States)
The interaction between the coal combustion flue gas components mercury, chlorine, and entrained fly ash particulate was investigated experimentally using a 42 MJ- or 40,000-Btu/hr, downfired, combustion system. A low-Cl, Powder River Basin (PRB) subbituminous coal with 0.052 ppm Hg was burned at an excess O{sub 2} concentration of 8.5%. HCl was injected into the hot zone of the furnace at concentrations of 50 and 100 ppmv. Tests involving the injection of 10{mu}g/m{sup 3} (elemental Hg) and 100 ppmv HCl into a simple heated gas mixture were also conducted. A modified US Environmental Protection Agency (EPA) Method 29 sample train, developed by Radian International and evaluated at the Energy & Environmental Research Center (EERC), was used for determining Hg emission and speciation at the baghouse inlet of the system.
- Research Organization:
- Coal and Slurry Technology Association, Washington, DC (United States)
- OSTI ID:
- 585346
- Report Number(s):
- CONF-980309--PROC.
- Country of Publication:
- United States
- Language:
- English
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