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Computational Fluid Dynamics Simulation Study of a Novel Membrane Contactor for Simultaneous Carbon Dioxide Absorption and Stripping

Author

Listed:
  • Hsuan Chang

    (Energy and Opto-Electronic Materials Research Center, Department of Chemical and Materials Engineering, Tamkang University, Tamsui, New Taipei 251, Taiwan)

  • Hau-Yu Gan

    (Energy and Opto-Electronic Materials Research Center, Department of Chemical and Materials Engineering, Tamkang University, Tamsui, New Taipei 251, Taiwan)

  • Yih-Hang Chen

    (Energy and Opto-Electronic Materials Research Center, Department of Chemical and Materials Engineering, Tamkang University, Tamsui, New Taipei 251, Taiwan)

  • Chii-Dong Ho

    (Energy and Opto-Electronic Materials Research Center, Department of Chemical and Materials Engineering, Tamkang University, Tamsui, New Taipei 251, Taiwan)

Abstract

Physical absorption is a potential technology for economic carbon capture due to its low energy consumption, however, the absorption efficiency of current systems must be improved. In this study, novel hybrid absorption/stripping membrane contactors (HASMCs) for physical solvent carbon capture are proposed. The simultaneous absorption and stripping within one module provides instant regeneration of the solvent and results in the enhancement of absorption. HASMCs with parallel-flow and cross-flow configurations and using empty or spacer-filled channels are investigated by rigorous computational fluid dynamics simulation. The internal profiles of transmembrane mass fluxes reveal that cross-flow HASMCs are much more effective than the parallel-flow ones and the modules using spacer-filled channels give better performance than the ones using empty channels. The mass transfer coefficients of HASMCs are much higher than predicted by correlations in the literature.

Suggested Citation

  • Hsuan Chang & Hau-Yu Gan & Yih-Hang Chen & Chii-Dong Ho, 2017. "Computational Fluid Dynamics Simulation Study of a Novel Membrane Contactor for Simultaneous Carbon Dioxide Absorption and Stripping," Energies, MDPI, vol. 10(8), pages 1-17, August.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:8:p:1136-:d:106692
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    References listed on IDEAS

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    1. Chang, Hsuan & Hsu, Jian-An & Chang, Cheng-Liang & Ho, Chii-Dong & Cheng, Tung-Wen, 2017. "Simulation study of transfer characteristics for spacer-filled membrane distillation desalination modules," Applied Energy, Elsevier, vol. 185(P2), pages 2045-2057.
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