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Collection efficiency of ultrafine particles by an electrostaticprecipitator under DC and pulse operating modes
Zukeran, A.
Looy, P.C.
Chakrabarti, A.
Berezin, A.A.
Jayaram, S.
Cross, J.D.
ITo, T.
Jen-Shih Chang
Dept. of Electr. & Electron. Eng., Musashi Inst. of Technol., Tokyo;
This paper appears in: Industry Applications, IEEE Transactions on
Publication Date: Sep/Oct 1999
Volume: 35,
Issue: 5
On page(s): 1184-1191
ISSN: 0093-9994
References Cited: 27
CODEN: ITIACR
INSPEC Accession Number: 6379175
Digital Object Identifier: 10.1109/28.793383
Current Version Published: 2002-08-06
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High particle collection efficiency in terms of particle
weight/volume mg/m3 is achieved by a conventional
electrostatic precipitator (ESP). However, the collection efficiencies
in terms of number density for the ultrafine (particle size between
0.01-0.1 μm) or submicrometer particles by a conventional ESP are
still relatively low. Therefore, it is necessary to improve the
collection efficiency for ultrafine particles. In this paper, attempts
have been made to improve the ultrafine particle collection efficiency
by controlling dust loading, as well as using the short pulse
energizations. The present version of the ESP consists of three sets of
wire-plate-type electrodes. For the ESP under DC operation modes,
experimental results show that the collection efficiency for DC applied
voltage decreases with increasing dust loading when particle density is
larger than 2.5×1010 particles/m3 due to
inefficient collections of ultrafine particles. However, under pulse
operating modes without DC bias, high particle collection efficiency for
ultrafine particles was obtained, which is thought to be due to the
enhancement of particle charging by electrons
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Controlled Indexing
electrodes
electrostatic precipitators
Non-controlled Indexing
DC operating mode
collection efficiency
dust loading control
electrons
electrostatic precipitator
increasing dust loading
number density
particle charging
particle density
pulse operating mode
pulse operating modes
short pulse energization
submicrometer particles
ultrafine particle collection efficiency
ultrafine particles
wire-plate-type electrodes
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| 1 |
Mercury and other trace elements removal characteristics of DC and
pulse-energized electrostatic precipitator, Xinghua Liang; Looy, P.C.; Jayaram, S.; Berezin, A.A.; Mozes, M.S.; Jen-Shih Chang
Industry Applications, IEEE Transactions on
On page(s): 69-76, Volume: 38, Issue: 1, Jan/Feb 2002
Abstract |
Full Text: PDF (154)
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