Particle and Aerosol Research Vol. 6, No. 4, December 2010 |
ISSN : 1738-8716 (Print) ISSN : 2287-8130 (Online) |
Simultaneous Removal Characteristics of Particulate and Elemental Mercury in Convergence Particulate Collector
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Abstracts
The high temperature pleated filter bags which were used during this study were made of pleated nonwoven fabric of heat and acid resistant polysulfonate fibers which can withstand the heat up to 300 ¡É and have a filtration area which is 3 to 5 times larger than the conventional round filter bags.
Cartridge module packed with 3 kind of the sulfur impregnated activated-carbon based sorbents were inserted in the inner of the pleated filter bag. This type of pleated filter bag was designed to remove not only the particulate matter
but also the gaseous elemental mercury. The electrostatic precipitator part can enhance the particulate removal efficiency and reduce the pressure drop of the pleated filter bag by agglomerated particles to form a more porous dust layer on
the surface of the pleated bag which is increased the filter bag cleaning efficiency. In addition, the most of particles are separated from the flue gas stream through the cyclone and the electrostatic precipitator part which were installed at the lower part and main body part of the convergence particulate collector, respectively. Thus reduce particulate loading of the high temperature pleated filter bags were applied in this study to analyze the removal characteristics of particulate matter and gaseous elemental mercury.
Keywords£ºActivated carbon, Pleated filter bag, Convergence particulate collector, Elemental mercury, Polysulfonate fiber, Particulate loading, Filter bag cleaning efficiency
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