Experimental research on mercury emission from one-dimensional combustion test facility
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摘要:
The research of mercury release from coal combustion and mercury speciation in flue gas was conducted in a one-dimensional combustion test facility. The experimental results indicated that combustion temperature was the primary factor in affecting mercury vaporization and release. Experimental measurements showed high mercury levels in the particulate phase. Hg(S) is enriched in fly ash and dispersed in bottom ash. Hg(B) content decreases and the Hg(F) content increases with higher furnace temperature. At 1 100℃, the levels of Hg2+(g) are 17%~48% for limited chemical kinetics .The mercury equilibrium in the flue-gas is frozen below some temperature.