Study on robust absorption performance of hydrophilic membrane contactor for direct air capture

Jian Sun,Peng Xu,Dawei Gong,Xiangli Kong,Kaiyun Fu,Xianfu Chen,Minghui Qiu,Yiqun Fan

Separation and Purification Technology（2023）

Cited 4|Views16

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Abstract

•A novel direct air capture device using ceramic membrane contactor is established.•Robust structure of ceramic membrane offers a stable gas–liquid phase interface.•Hydrophilic membrane with NaOH as absorbent has an advantage on DAC.•A high mass transfer coefficient of 2.6 mm⋅s−1 is obtained for DAC.

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Key words

Direct air capture (DAC),Ceramic membrane contactor,CO2 absorption,Mass transfer process

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