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Effect of Reaction Temperature on CO2 Capture Using Potassium-Based Solid Sorbent in Bubbling Fluidized-Bed Reactor.

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Title: Effect of Reaction Temperature on CO2 Capture Using Potassium-Based Solid Sorbent in Bubbling Fluidized-Bed Reactor.
Authors: Yongwon Seo1 yseo@changwon.ac.kr, Sung-Ho Jo2 shjo@kier.re.kr, Chong Kul Ryu3 ckryu@kepri.re.kr, Chang-Keun Yi4 ckyi@kier.re.kr
Source: Journal of Environmental Engineering. Jun2009, Vol. 135 Issue 6, p473-477. 5p. 1 Diagram, 7 Graphs.
Subjects: Fluidized reactors, Saturation vapor pressure, Absorption, Temperature effect, Environmental engineering, Surface area
Abstract: We investigated the effects of carbonation and regeneration temperature on the CO2 capture characteristics using SorbKX35, a potassium-based solid sorbent in a bubbling fluidized-bed reactor. A dry sorbent, SorbKX35 consists of K2CO3 for absorption and supporters for mechanical strength. We also measured the physical properties of the sorbent, such as pore size, pore volume, and surface area after carbonation or regeneration, to confirm the extent of the reaction. With H2O vapor pretreatment, nearly complete CO2 removal was initially achieved and maintained for about 10 min within a temperature range of 333.15–363.15 K with 2 s gas residence time. At lower temperature, CO2 capture was more effective during 1 h of carbonation. From the results of temperature programmed desorption and gas adsorption method (BET), we found that the regeneration of carbonated SorbKX35 was not complete at 473.15 K. The results obtained in this study can be used as basic data for designing and operating a large-scale CO2 capture process with two fluidized-bed reactors. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Environmental Engineering is the property of American Society of Civil Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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  Data: Effect of Reaction Temperature on CO<subscript>2</subscript> Capture Using Potassium-Based Solid Sorbent in Bubbling Fluidized-Bed Reactor.
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  Data: <searchLink fieldCode="AR" term="%22Yongwon+Seo%22">Yongwon Seo</searchLink><relatesTo>1</relatesTo><i> yseo@changwon.ac.kr</i><br /><searchLink fieldCode="AR" term="%22Sung-Ho+Jo%22">Sung-Ho Jo</searchLink><relatesTo>2</relatesTo><i> shjo@kier.re.kr</i><br /><searchLink fieldCode="AR" term="%22Chong+Kul+Ryu%22">Chong Kul Ryu</searchLink><relatesTo>3</relatesTo><i> ckryu@kepri.re.kr</i><br /><searchLink fieldCode="AR" term="%22Chang-Keun+Yi%22">Chang-Keun Yi</searchLink><relatesTo>4</relatesTo><i> ckyi@kier.re.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Environmental+Engineering%22">Journal of Environmental Engineering</searchLink>. Jun2009, Vol. 135 Issue 6, p473-477. 5p. 1 Diagram, 7 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Fluidized+reactors%22">Fluidized reactors</searchLink><br /><searchLink fieldCode="DE" term="%22Saturation+vapor+pressure%22">Saturation vapor pressure</searchLink><br /><searchLink fieldCode="DE" term="%22Absorption%22">Absorption</searchLink><br /><searchLink fieldCode="DE" term="%22Temperature+effect%22">Temperature effect</searchLink><br /><searchLink fieldCode="DE" term="%22Environmental+engineering%22">Environmental engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+area%22">Surface area</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: We investigated the effects of carbonation and regeneration temperature on the CO2 capture characteristics using SorbKX35, a potassium-based solid sorbent in a bubbling fluidized-bed reactor. A dry sorbent, SorbKX35 consists of K2CO3 for absorption and supporters for mechanical strength. We also measured the physical properties of the sorbent, such as pore size, pore volume, and surface area after carbonation or regeneration, to confirm the extent of the reaction. With H2O vapor pretreatment, nearly complete CO2 removal was initially achieved and maintained for about 10 min within a temperature range of 333.15–363.15 K with 2 s gas residence time. At lower temperature, CO2 capture was more effective during 1 h of carbonation. From the results of temperature programmed desorption and gas adsorption method (BET), we found that the regeneration of carbonated SorbKX35 was not complete at 473.15 K. The results obtained in this study can be used as basic data for designing and operating a large-scale CO2 capture process with two fluidized-bed reactors. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Environmental Engineering is the property of American Society of Civil Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1061/(ASCE)0733-9372(2009)135:6(473)
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      – Code: eng
        Text: English
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        PageCount: 5
        StartPage: 473
    Subjects:
      – SubjectFull: Fluidized reactors
        Type: general
      – SubjectFull: Saturation vapor pressure
        Type: general
      – SubjectFull: Absorption
        Type: general
      – SubjectFull: Temperature effect
        Type: general
      – SubjectFull: Environmental engineering
        Type: general
      – SubjectFull: Surface area
        Type: general
    Titles:
      – TitleFull: Effect of Reaction Temperature on CO2 Capture Using Potassium-Based Solid Sorbent in Bubbling Fluidized-Bed Reactor.
        Type: main
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            NameFull: Yongwon Seo
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            NameFull: Sung-Ho Jo
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            NameFull: Chong Kul Ryu
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            NameFull: Chang-Keun Yi
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            – D: 01
              M: 06
              Text: Jun2009
              Type: published
              Y: 2009
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