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Comparative Simulation and Optimization of "Continuous Membrane Column" Cascades for Post-Combustion CO 2 Capture.

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Title: Comparative Simulation and Optimization of "Continuous Membrane Column" Cascades for Post-Combustion CO 2 Capture.
Authors: Smorodin, Kirill A.1 (AUTHOR), Atlaskin, Artem A.1,2 (AUTHOR) atlaskin.a.a@muctr.ru, Kryuchkov, Sergey S.1,3 (AUTHOR), Atlaskina, Maria E.1 (AUTHOR), Tsivkovsky, Nikita S.1,2 (AUTHOR), Sysoev, Alexander A.1,3 (AUTHOR), Zhmakin, Vyacheslav V.1 (AUTHOR), Petukhov, Anton N.2 (AUTHOR), Suvorov, Sergey S.2 (AUTHOR), Vorotyntsev, Andrey V.2,3 (AUTHOR), Vorotyntsev, Ilya V.1 (AUTHOR)
Source: Energies (19961073). Jan2026, Vol. 19 Issue 2, p303. 18p.
Subjects: Carbon sequestration, Membrane reactors, Flue gas analysis, Artificial membranes, Energy consumption, Combustion, Cost functions, Cascades (Fluid dynamics)
Abstract: This study presents a comprehensive evaluation of a modified membrane cascade operating in "Continuous Membrane Column" mode for selective CO2 capture in combined heat power plants. For the first time, a novel membrane cascade configuration for separating four-component wet flue gases is analyzed and compared with existing technologies in terms of the capital and operating costs required to capture one ton of CO2. The proposed membrane cascade generates two countercurrent recirculating streams: one continuously depleted of the permeate component and the other enriched in it. Because the internal recirculation streams significantly exceed the bypass product streams, the system demonstrates a multiplicative increase in separation efficiency. As a result, the required membrane area and compression energy can be significantly reduced. The analysis demonstrates that the proposed cascade configuration meets all current performance requirements for CO2 recovery and the target composition of the product and residual streams. Furthermore, due to its balanced material and energy cost ratio, the system can serve as a competitive alternative to previously developed membrane CO2 capture technologies, offering lower overall capture losses. [ABSTRACT FROM AUTHOR]
Copyright of Energies (19961073) is the property of MDPI 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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  Data: Comparative Simulation and Optimization of "Continuous Membrane Column" Cascades for Post-Combustion CO 2 Capture.
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Jan2026, Vol. 19 Issue 2, p303. 18p.
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  Data: <searchLink fieldCode="DE" term="%22Carbon+sequestration%22">Carbon sequestration</searchLink><br /><searchLink fieldCode="DE" term="%22Membrane+reactors%22">Membrane reactors</searchLink><br /><searchLink fieldCode="DE" term="%22Flue+gas+analysis%22">Flue gas analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Artificial+membranes%22">Artificial membranes</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink><br /><searchLink fieldCode="DE" term="%22Combustion%22">Combustion</searchLink><br /><searchLink fieldCode="DE" term="%22Cost+functions%22">Cost functions</searchLink><br /><searchLink fieldCode="DE" term="%22Cascades+%28Fluid+dynamics%29%22">Cascades (Fluid dynamics)</searchLink>
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  Label: Abstract
  Group: Ab
  Data: This study presents a comprehensive evaluation of a modified membrane cascade operating in "Continuous Membrane Column" mode for selective CO2 capture in combined heat power plants. For the first time, a novel membrane cascade configuration for separating four-component wet flue gases is analyzed and compared with existing technologies in terms of the capital and operating costs required to capture one ton of CO2. The proposed membrane cascade generates two countercurrent recirculating streams: one continuously depleted of the permeate component and the other enriched in it. Because the internal recirculation streams significantly exceed the bypass product streams, the system demonstrates a multiplicative increase in separation efficiency. As a result, the required membrane area and compression energy can be significantly reduced. The analysis demonstrates that the proposed cascade configuration meets all current performance requirements for CO2 recovery and the target composition of the product and residual streams. Furthermore, due to its balanced material and energy cost ratio, the system can serve as a competitive alternative to previously developed membrane CO2 capture technologies, offering lower overall capture losses. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Energies (19961073) is the property of MDPI 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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        Value: 10.3390/en19020303
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        Text: English
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      – SubjectFull: Carbon sequestration
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      – SubjectFull: Membrane reactors
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      – SubjectFull: Flue gas analysis
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      – SubjectFull: Artificial membranes
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              Text: Jan2026
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