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Experimental study on CO2 capture using 2‐(2‐aminoethylamino)ethanol/N,N‐diethyl‐ethanolamine/sulfolane phase‐change absorbents.

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Title: Experimental study on CO2 capture using 2‐(2‐aminoethylamino)ethanol/N,N‐diethyl‐ethanolamine/sulfolane phase‐change absorbents.
Authors: Meng, Wan1 (AUTHOR), Xiao, Lingyu1 (AUTHOR), Wang, Liwang1 (AUTHOR), Hu, Yaoming1 (AUTHOR), Ding, Chuanbao1 (AUTHOR), Jing, Jiaxin1 (AUTHOR), Ma, Liang1,2 (AUTHOR) maliang3678@163.com
Source: Canadian Journal of Chemical Engineering. Jun2024, Vol. 102 Issue 6, p2039-2050. 12p.
Subjects: Phase separation, Ethanol, Ethanolamines, Energy consumption, Desorption, Potential energy, Absorption
Abstract: Chemical absorption is currently the most mature carbon capture technology, but it has high energy consumption. Phase change absorbents have great potential for reducing energy consumption. In this paper, an attempt is made to combine the commonly used organic phase splitter and physical phase splitter to explore the comprehensive performance of the absorber under the joint action of the two. Hydroxyethyl ethylenediamine (AEEA) was used as the active amine, N,N‐diethylethanolamine (DEEA) as the organic phase splitter, and sulfolane as the physical phase splitter. Different molar ratios of the three reagents were carried out to screen out the combinations with superior split‐phase effects, and the absorption and desorption characteristics of the combination of AEEA/DEEA/sulfolane were investigated in terms of absorption performance, desorption performance, cycling performance, and physical parameters. The results showed that the combination of 2 M AEEA/1 M DEEA/4 M sulfolane was the most advantageous, with an absorption load up to 2.17 mol/L, a volume of the rich phase accounting for about 64%, an initial absorption rate up to 0.1756 mol · L−1 · min−1, a desorption rate of 75.5% at the desorption temperature of 393.15 K, and the rich‐phase viscosity had a great advantage over the other molar ratio combinations. The changes of the components before and after phase separation were analyzed by 13C NMR to investigate the phase separation mechanism, and the five repeated cycle tests showed that the absorption load was stable, the desorption capacity was strong, and the phase separation performance was good. [ABSTRACT FROM AUTHOR]
Copyright of Canadian Journal of Chemical Engineering is the property of Wiley-Blackwell 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.)
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DbLabel: Engineering Source
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  Label: Title
  Group: Ti
  Data: Experimental study on CO<subscript>2</subscript> capture using 2‐(2‐aminoethylamino)ethanol/N,N‐diethyl‐ethanolamine/sulfolane phase‐change absorbents.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Meng%2C+Wan%22">Meng, Wan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xiao%2C+Lingyu%22">Xiao, Lingyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Liwang%22">Wang, Liwang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hu%2C+Yaoming%22">Hu, Yaoming</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ding%2C+Chuanbao%22">Ding, Chuanbao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jing%2C+Jiaxin%22">Jing, Jiaxin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Liang%22">Ma, Liang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> maliang3678@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Canadian+Journal+of+Chemical+Engineering%22">Canadian Journal of Chemical Engineering</searchLink>. Jun2024, Vol. 102 Issue 6, p2039-2050. 12p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Phase+separation%22">Phase separation</searchLink><br /><searchLink fieldCode="DE" term="%22Ethanol%22">Ethanol</searchLink><br /><searchLink fieldCode="DE" term="%22Ethanolamines%22">Ethanolamines</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink><br /><searchLink fieldCode="DE" term="%22Desorption%22">Desorption</searchLink><br /><searchLink fieldCode="DE" term="%22Potential+energy%22">Potential energy</searchLink><br /><searchLink fieldCode="DE" term="%22Absorption%22">Absorption</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Chemical absorption is currently the most mature carbon capture technology, but it has high energy consumption. Phase change absorbents have great potential for reducing energy consumption. In this paper, an attempt is made to combine the commonly used organic phase splitter and physical phase splitter to explore the comprehensive performance of the absorber under the joint action of the two. Hydroxyethyl ethylenediamine (AEEA) was used as the active amine, N,N‐diethylethanolamine (DEEA) as the organic phase splitter, and sulfolane as the physical phase splitter. Different molar ratios of the three reagents were carried out to screen out the combinations with superior split‐phase effects, and the absorption and desorption characteristics of the combination of AEEA/DEEA/sulfolane were investigated in terms of absorption performance, desorption performance, cycling performance, and physical parameters. The results showed that the combination of 2 M AEEA/1 M DEEA/4 M sulfolane was the most advantageous, with an absorption load up to 2.17 mol/L, a volume of the rich phase accounting for about 64%, an initial absorption rate up to 0.1756 mol · L−1 · min−1, a desorption rate of 75.5% at the desorption temperature of 393.15 K, and the rich‐phase viscosity had a great advantage over the other molar ratio combinations. The changes of the components before and after phase separation were analyzed by 13C NMR to investigate the phase separation mechanism, and the five repeated cycle tests showed that the absorption load was stable, the desorption capacity was strong, and the phase separation performance was good. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Canadian Journal of Chemical Engineering is the property of Wiley-Blackwell 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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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1002/cjce.25176
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 12
        StartPage: 2039
    Subjects:
      – SubjectFull: Phase separation
        Type: general
      – SubjectFull: Ethanol
        Type: general
      – SubjectFull: Ethanolamines
        Type: general
      – SubjectFull: Energy consumption
        Type: general
      – SubjectFull: Desorption
        Type: general
      – SubjectFull: Potential energy
        Type: general
      – SubjectFull: Absorption
        Type: general
    Titles:
      – TitleFull: Experimental study on CO2 capture using 2‐(2‐aminoethylamino)ethanol/N,N‐diethyl‐ethanolamine/sulfolane phase‐change absorbents.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Meng, Wan
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          Name:
            NameFull: Xiao, Lingyu
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            NameFull: Wang, Liwang
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            NameFull: Hu, Yaoming
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            NameFull: Ding, Chuanbao
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            NameFull: Jing, Jiaxin
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            NameFull: Ma, Liang
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          Dates:
            – D: 01
              M: 06
              Text: Jun2024
              Type: published
              Y: 2024
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            – Type: issn-print
              Value: 00084034
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              Value: 102
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              Value: 6
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            – TitleFull: Canadian Journal of Chemical Engineering
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