Particle and Aerosol Research Vol. 9, No. 4, December 2013 |
ISSN : 1738-8716 (Print) ISSN : 2287-8130 (Online) |
Removal Characteristics of SO2 in the Coal Combustion Flue Gas Treatment Convergence System
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Abstracts
The purpose of this study is to determine the feasibility of dry-type desulfurization process for actual application to
coal-fired power plant. We used actual exhaust gas from Facility Y, Plant #2 to fabricate a demo-scale testing device
to attempt to improve the efficiency of desulfurization. A spout-bed circulating dry scrubber convergence system
connecting turbo reactor with bag filter was devised, then analyzed for performance characteristics of SO2 removal for
Ca/S mole ratio, superficial gas velocity, and ammonia injection, and for secondary reaction characteristics of the
non-reactive sorbent at the bag filter. As a result, the installation of spout-bed circulating dry scrubber convergence
system showed better economy and efficiency for removing sulfur than the existing wet/semidry-type desulfurization
process. In addition, the best efficiency for desulfurization occurred when connected to the bag filter, with differential
pressure maintained at 150 mmH2O.
Keywords£ºSorbent circulating reactor, NOx, SO2 removal efficiency, Turbo-Reactor, Ca/S molar ratio.
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