CO2 removal from natural gas by employing amine absorption and membrane technology—A technical and economical analysis

• CO2 capture. • Comparing amine absorption and membrane separation technologies. • Technical and economical comparison. • Facilitated transport membrane. A technical and economic analysis of gas sweetening processes for natural gas with amine absorption and membrane technology has been conducted. A...

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Bibliographic Details
Published in:Chemical engineering journal (Lausanne, Switzerland : 1996) Switzerland : 1996), 2011-08, Vol.172 (2-3), p.952-960
Main Authors: Peters, Lars, Hussain, A., Follmann, M., Melin, T., Hägg, M.-B.
Format: Article
Language:English
Subjects:
absorption
Amine absorption
Applied sciences
Aspen Hysys
capital
Carbon dioxide capture
Chemical engineering
economic analysis
Exact sciences and technology
Fixed site carrier membrane
Gas sweetening
natural gas
polyvinyl alcohol
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Summary:• CO2 capture. • Comparing amine absorption and membrane separation technologies. • Technical and economical comparison. • Facilitated transport membrane. A technical and economic analysis of gas sweetening processes for natural gas with amine absorption and membrane technology has been conducted. Amine absorption is still considered a state of the art technology for gas sweetening but membranes have shown a great potential in this area, if the flux and selectivity for CO2 is high enough. The PVAm/PVA (polyvinyl amine and polyvinyl alcohol) membrane, developed at NTNU shows such qualities. For two different feed gas cases a simulation analysis with Aspen Hysys for amine absorption and a membrane model interfaced within Aspen Hysys was performed. Further, an economical analysis was also conducted to evaluate the total capital investment and gas processing cost for both technologies.
ISSN:1385-8947
1873-3212
DOI:10.1016/j.cej.2011.07.007