A Novel Membrane Prepared from Sodium Alginate Cross-linked with Sodium Tartrate for CO2 Capture

The membrane-based CO2 separation process has an advantage compared to traditional CO2 separation technologies. The membrane is the key of the membrane separation process. In this paper, preparation, characteriza-tion and laboratory testing of the membrane, which was prepared from sodium alginate, h...

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Bibliographic Details
Published in:Chinese journal of chemical engineering 2013-10, Vol.21 (10), p.1098-1105
Main Author: 朱娅群 王志 张晨昕 王纪孝 王世昌
Format: Article
Language:English
Subjects:
Carbon dioxide
carboxyl group
Chemical engineering
CO2 separation
composite membrane
Crosslinking
Economics
fixed carrier
Membranes
Separation
Sodium
Sodium alginate
二氧化碳
交联
分离技术
制备
捕获
海藻酸钠
膜分离过程
酒石酸钠
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Summary:The membrane-based CO2 separation process has an advantage compared to traditional CO2 separation technologies. The membrane is the key of the membrane separation process. In this paper, preparation, characteriza-tion and laboratory testing of the membrane, which was prepared from sodium alginate, hydrogen bond cross-linked with sodium tartrate and used for CO2/N2 separation, were reported. The resistance to SO2 of the membrane was also investigated. The experimental results demonstrate that the membrane possesses a high resistance to SO2. Finally, based on experimental results, the economic feasibility of the membrane used for CO2/N2 separation was evaluated, indicating the two-stage membrane process can compete with the traditional chemical absorption method.
ISSN:1004-9541
2210-321X
DOI:10.1016/S1004-9541(13)60574-1