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High temperature desulfurization using fine sorbent particles under boiler injection conditions

Ye, ZC ; Wang, Wuyin LU ; Zhong, Q and Bjerle, Ingemar LU (1995) In Fuel 74(5). p.743-750
Abstract
The high temperature reaction of SO2 with CaO was investigated in three reactors: a thermogravimetric reactor (TGA), a volumetric reactor (VR) and an entrained flow reactor (EFR). Several natural limestones with super fine particles were used as sorbents. It was found that the reaction could be well characterized by a two-stage process. The initial stage was very fast and lasted about 0.1-0.4 s. The chemical kinetics of the reaction was studied and modelled. In addition to other parameters, such as particle size and Brunauer-Emmett-Teller (BET) surface area, the pore volume located in the larger pores (> 5.0 nm) was found to contribute somewhat to the high SO2 removal and CaO conversion. At Ca/S = 2 the SO2 removal was more than 90%.
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
DESULFURIZATION, PORE PARTICLE SIZE, REACTIVITY
in
Fuel
volume
74
issue
5
pages
743 - 750
publisher
Elsevier
external identifiers
  • wos:A1995QY01700016
  • scopus:0000541923
ISSN
1873-7153
DOI
10.1016/0016-2361(94)00011-F
language
English
LU publication?
yes
id
f59181b2-4d4c-4aa9-98cc-0a7e44afcc06 (old id 3916709)
date added to LUP
2016-04-01 16:16:47
date last changed
2023-09-04 15:48:23
@article{f59181b2-4d4c-4aa9-98cc-0a7e44afcc06,
  abstract     = {{The high temperature reaction of SO2 with CaO was investigated in three reactors: a thermogravimetric reactor (TGA), a volumetric reactor (VR) and an entrained flow reactor (EFR). Several natural limestones with super fine particles were used as sorbents. It was found that the reaction could be well characterized by a two-stage process. The initial stage was very fast and lasted about 0.1-0.4 s. The chemical kinetics of the reaction was studied and modelled. In addition to other parameters, such as particle size and Brunauer-Emmett-Teller (BET) surface area, the pore volume located in the larger pores (> 5.0 nm) was found to contribute somewhat to the high SO2 removal and CaO conversion. At Ca/S = 2 the SO2 removal was more than 90%.}},
  author       = {{Ye, ZC and Wang, Wuyin and Zhong, Q and Bjerle, Ingemar}},
  issn         = {{1873-7153}},
  keywords     = {{DESULFURIZATION; PORE PARTICLE SIZE; REACTIVITY}},
  language     = {{eng}},
  number       = {{5}},
  pages        = {{743--750}},
  publisher    = {{Elsevier}},
  series       = {{Fuel}},
  title        = {{High temperature desulfurization using fine sorbent particles under boiler injection conditions}},
  url          = {{http://dx.doi.org/10.1016/0016-2361(94)00011-F}},
  doi          = {{10.1016/0016-2361(94)00011-F}},
  volume       = {{74}},
  year         = {{1995}},
}