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. |
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| 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] |
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| Database: | Engineering Source |
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| 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] |
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| ISSN: | 19961073 |
| DOI: | 10.3390/en19020303 |
