Membrane Separations for Direct Air Capture

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Other Title
  • 分離膜による大気からの直接的CO<sub>2</sub>回収

Description

<p>Direct air capture (DAC) of CO2 has become essential to reduce atmospheric CO2 levels. Previously, DAC technologies has limited sorbent based CO2 capture process. However, recent investigations are revealing that gas separation membranes with ultrahigh CO2 permeances also have a large potential new DAC technology. In order to realize membrane-based DAC (m-DAC), membrane thinning is a straightfoward way to enphance CO2 permeances. This paper fucuses on the the development and utlization of free-standing and nonometer thick membranes for DAC and shows current stage to enhance the membrane performances of CO2 capture directly from the air. Finally, m-DAC's potential is discussed.</p>

Journal

  • POLYMERS

    POLYMERS 73 (10), 511-512, 2024

    The Society of Polymer Science, Japan

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