Article | Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th ‚Äď 27th, 2017 | Optimization of gas velocity and pressure drop in CO2 absorption column
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Title:
Optimization of gas velocity and pressure drop in CO2 absorption column
Author:
Kwangsu Park: Department of and Process Technology, University College of Southeast Norway, Norway Lars Erik √ėi: Department of and Process Technology, University College of Southeast Norway, Norway
DOI:
10.3384/ecp17138292
Download:
Full text (pdf)
Year:
2017
Conference:
Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th ‚Äď 27th, 2017
Issue:
138
Article no.:
039
Pages:
292-297
No. of pages:
6
Publication type:
Abstract and Fulltext
Published:
2017-09-27
ISBN:
978-91-7685-417-4
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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For a traditional amine-based CO2 capture system, the absorber column accounts for a significant part of the overall capital- and operating cost. One important design factor of absorber columns is the gas velocity through the absorber packing. Higher gas velocity leads to higher energy cost due to increased pressure drop, but at the same time lower packing cost due to increased effective interfacial area. By utilizing available correlations in the new version 9.0 of the simulation program Aspen HYSYS, the cost optimum gas velocity can be determined. This work evaluated six types of structured packings: Mellapak 250X, 250Y, 2X, 2Y, Mellapak Plus 252Y and Flexipac 2Y. The simulation results show that for all the packings, the cost-optimum gas velocity is in the range of 2.0 to 2.5 m/s giving a pressure drop through the absorber in the range of 10 to 15 mbar.

Keywords: CO2 absorption, Aspen HYSYS, structured packing, pressure drop

Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th ‚Äď 27th, 2017

Author:
Kwangsu Park, Lars Erik √ėi
Title:
Optimization of gas velocity and pressure drop in CO2 absorption column
DOI:
http://dx.doi.org/10.3384/ecp17138292
References:
No references available

Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th ‚Äď 27th, 2017

Author:
Kwangsu Park, Lars Erik √ėi
Title:
Optimization of gas velocity and pressure drop in CO2 absorption column
DOI:
http://dx.doi.org/10.3384/ecp17138292
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Last updated: 2017-02-21