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    题名: Computational Fluid Dynamics Simulation Study of a Novel Membrane Contactor for Simultaneous Carbon Dioxide Absorption and Stripping
    作者: Chang, Hsuan;Gan, Hau-Yu;Chen, Yih-Hang;Ho, Chii-Dong
    关键词: carbon capture;membrane contactor;absorption;stripping;computational fluid dynamics
    日期: 2014-10
    上传时间: 2017-12-13 02:11:15 (UTC+8)
    摘要: 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.
    關聯: Energies, 10, 1138-1154
    显示于类别:[化學工程與材料工程學系暨研究所] 期刊論文

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