CFD study of hybrid membrane contactors for absorption and stripping of carbon dioxide

被引:2
|
作者
Chang, Hsuan [1 ]
Gan, Hau-Yu [1 ]
Pan, Ren-Hao [1 ]
Ho, Chii-Dong [1 ]
机构
[1] Tamkang Univ, Dept Chem & Mat Engn, 151 Yingzhuan Rd, New Taipei 25137, Taiwan
来源
8TH INTERNATIONAL CONFERENCE ON APPLIED ENERGY (ICAE2016) | 2017年 / 105卷
关键词
Carbon Capture; Solvent Absorption; Membrane Contactor; Absorption; Stripping;
D O I
10.1016/j.egypro.2017.03.859
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Carbon capture and storage (CCS) has been identified as an essential technology to meet the internationally agreed goal of limiting the temperature increase to 2 degrees C. Compared to traditional gas-liquid contactors, the membrane contactors provide many beneficial features, including the high specific area, independent gas and liquid flows, modular units and easy to include internal heat exchange. The solvent carbon dioxide absorption processes employing membrane contactors is an important technology. Limited by the low partial pressure of carbon dioxide, physical absorption is not a feasible technology for post-combustion flue gas treatment. However, chemical absorption technology is high energy consumption. In this study, an innovative hybrid absorption/stripping membrane contactor (HASMC) for physical solvent carbon capture is proposed. The simultaneous absorption and stripping can enhance the effectiveness of carbon capture. The device can raise the feasibility of applying physical solvent technology to the treatment of gases with low carbon dioxide partial pressure. In this paper, computational fluid dynamics simulation of the concentration profiles and mass fluxes for parallel-flow and cross-flow modules are presented. (C) 2016 The Authors. Published by Elsevier Ltd.
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页数:7
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