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Optimizing the start-up process of post-combustion capture plants by varying the solvent flow rate

Thomas Marx-Schubach
Institute of Engineering Thermodynamics, Hamburg University of Technology, Germany

Gerhard Schmitz
Institute of Engineering Thermodynamics, Hamburg University of Technology, Germany

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp17132121

Ingår i: Proceedings of the 12th International Modelica Conference, Prague, Czech Republic, May 15-17, 2017

Linköping Electronic Conference Proceedings 132:12, s. 121-130

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Publicerad: 2017-07-04

ISBN: 978-91-7685-575-1

ISSN: 1650-3686 (tryckt), 1650-3740 (online)

Abstract

This paper presents an optimization of the start-up process of a post-combustion carbon capture plant (PCC-plant) by varying the solvent flow rate. In a first optimization run the start-up time is minimized. In a second optimization run the overall carbon capture rate during the start-up process is maximized. The results show the great potential of the optimization, as the start-up time can be reduced from t=4650 seconds in the reference case to t=2840 seconds in the optimized scenario.

Nyckelord

Optimization, start-up, absorption process, carbon capture, process engineering

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