Efficient carbon capture using sub-textured polymer packing surfaces via 3D printing

被引：3

作者：

Xiao M. ^{[1
]}

Sarma M. ^{[1
]}

Nguyen D. ^{[3
]}

Ruelas S. ^{[3
]}

Yang L. ^{[4
]}

Bhatnagar S. ^{[1
]}

Jorgensen T. ^{[1
,2
]}

Abad K. ^{[1
,2
]}

Liu K. ^{[1
,5
]}

Thompson J. ^{[1
,2
]}

机构：

[1] University of Kentucky, Center for Applied Energy Research, 2540 Research Park Drive, Lexington, KY

[2] University of Kentucky, Department of Chemistry, Lexington, KY

[3] Lawrence Livermore National Laboratory, Livermore, CA

[4] China University of Mining and Technology, School of Low-Carbon Energy and Power Engineering, Jiangsu Province, Xuzhou

[5] University of Kentucky, Department of Mechanical Engineering, Lexington, KY

来源：

Chemical Engineering Science | 2023年 / 267卷

关键词：

3D printing; CO[!sub]2[!/sub] capture; Local mixing; Polymer packing; Sub-texture;

D O I：

10.1016/j.ces.2022.118320

中图分类号：

学科分类号：

摘要：

Gas absorption is a common unit operation whose performance deeply relies on the gas liquid contact behavior. Here we report a solid polymeric surface feature containing microscale striation to improve the solid-liquid and gas-liquid contact and facilitate mass transfer. As a proof of concept, the surface feature is adopted for CO2 capture absorber packing via 3D printing. Besides traditional embossing texture, an additional laminar striation is applied to the packing surface as a sub-texture. The packing shows notable CO2 mass transfer increase without interfering with other key operating characteristics including pressure drop and liquid holdup. The improvement is based on the synergy of favorable wettability, thin liquid film and increased liquid mixing from rougher surface. In the demonstration test, the packing height could decrease by 33 % using the advanced packing with same CO2 removal, leading to a significant decrease in equipment size and capital expense for commercial CO2 capture systems. © 2022 Elsevier Ltd

引用

共 32 条

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