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Investigation of flue-gas treatment with O-3 injection using NO and NO2 planar laser-induced fluorescence

Wang, Z. H.; Li, Bo LU ; Ehn, Andreas LU ; Sun, Zhiwei LU ; Li, Zhongshan LU ; Bood, Joakim LU ; Aldén, Marcus LU and Cen, K. F. (2010) In Fuel 89(9). p.2346-2352
Abstract
Direct ozone (O-3) injection is a promising flue-gas treatment technology based on oxidation of NO and Hg into soluble species like NO2, NO3, N2O5, oxidized mercury, etc. These product gases are then effectively removed from the flue gases with the wet flue gas desulfurization system for SO2. The kinetics and mixing behaviors of the oxidation process are important phenomena in development of practical applications. In this work, planar laser-induced fluorescence (PLIF) of NO and NO2 was utilized to investigate the reaction structures between a turbulent O-3 jet (dry air with 2000 ppm O-3) and a laminar co-flow of simulated flue gas (containing 200 ppm NO), prepared in co-axial tubes. The shape of the reaction zone and the NO conversion... (More)
Direct ozone (O-3) injection is a promising flue-gas treatment technology based on oxidation of NO and Hg into soluble species like NO2, NO3, N2O5, oxidized mercury, etc. These product gases are then effectively removed from the flue gases with the wet flue gas desulfurization system for SO2. The kinetics and mixing behaviors of the oxidation process are important phenomena in development of practical applications. In this work, planar laser-induced fluorescence (PLIF) of NO and NO2 was utilized to investigate the reaction structures between a turbulent O-3 jet (dry air with 2000 ppm O-3) and a laminar co-flow of simulated flue gas (containing 200 ppm NO), prepared in co-axial tubes. The shape of the reaction zone and the NO conversion rate along with the downstream length were determined from the NO-PLIF measurements. About 62% of NO was oxidized at 15d (d, jet orifice diameter) by a 30 m/s O-3 jet with an influence width of about 6d in radius. The NO2 PLIF results support the conclusions deduced from the NO-PLIF measurements. (C) 2010 Elsevier Ltd. All rights reserved. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
PLIF, NO2, NO, O-3, Flue-gas treatment
in
Fuel
volume
89
issue
9
pages
2346 - 2352
publisher
Elsevier
external identifiers
  • wos:000278391100023
  • scopus:77955257291
ISSN
1873-7153
DOI
10.1016/j.fuel.2010.03.013
language
English
LU publication?
yes
id
1320b728-b6c7-4064-bb58-c0038068c92e (old id 1632216)
date added to LUP
2010-07-21 09:42:36
date last changed
2018-07-15 03:49:23
@article{1320b728-b6c7-4064-bb58-c0038068c92e,
  abstract     = {Direct ozone (O-3) injection is a promising flue-gas treatment technology based on oxidation of NO and Hg into soluble species like NO2, NO3, N2O5, oxidized mercury, etc. These product gases are then effectively removed from the flue gases with the wet flue gas desulfurization system for SO2. The kinetics and mixing behaviors of the oxidation process are important phenomena in development of practical applications. In this work, planar laser-induced fluorescence (PLIF) of NO and NO2 was utilized to investigate the reaction structures between a turbulent O-3 jet (dry air with 2000 ppm O-3) and a laminar co-flow of simulated flue gas (containing 200 ppm NO), prepared in co-axial tubes. The shape of the reaction zone and the NO conversion rate along with the downstream length were determined from the NO-PLIF measurements. About 62% of NO was oxidized at 15d (d, jet orifice diameter) by a 30 m/s O-3 jet with an influence width of about 6d in radius. The NO2 PLIF results support the conclusions deduced from the NO-PLIF measurements. (C) 2010 Elsevier Ltd. All rights reserved.},
  author       = {Wang, Z. H. and Li, Bo and Ehn, Andreas and Sun, Zhiwei and Li, Zhongshan and Bood, Joakim and Aldén, Marcus and Cen, K. F.},
  issn         = {1873-7153},
  keyword      = {PLIF,NO2,NO,O-3,Flue-gas treatment},
  language     = {eng},
  number       = {9},
  pages        = {2346--2352},
  publisher    = {Elsevier},
  series       = {Fuel},
  title        = {Investigation of flue-gas treatment with O-3 injection using NO and NO2 planar laser-induced fluorescence},
  url          = {http://dx.doi.org/10.1016/j.fuel.2010.03.013},
  volume       = {89},
  year         = {2010},
}