The effect of activated carbon injection rate on the removal of elemental mercury in a particulate collector with fabric filters

The characteristics of the removal of gaseous elemental mercury using activated carbon injection in a particulate collector with fabric filters were experimentally estimated. The experiments showed that, at given conditions in this research, the removals of elemental mercury converged to a certain level as activated carbon continued to be injected irrelatively to the C/Hg ratio or the types of activated carbon. When the C/Hg ratio was fixed at 7000, the elemental mercury removal by the activated carbon collected on the filter surface was 9.5% of the total elemental mercury removal at 1.1m/min in filtration velocity, and 2.2% at 3.3m/min. These values are much lower than those numerically predicted. It means that the gaseous elemental mercury in a particulate collector was reduced mainly by the activated carbon distributed inside the chamber rather than those collected on the filter surface. (C) 2008 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2009-01
Language
ENG
Keywords

FIRED POWER-PLANTS; SORBENT INJECTION; GAS

Citation

FUEL PROCESSING TECHNOLOGY, v.90, pp.107 - 112

ISSN
0378-3820
DOI
10.1016/j.fuproc.2008.08.001
URI
http://hdl.handle.net/10203/10269
Appears in Collection
ME-Journal Papers(저널논문)
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