Dynamic Process Model Validation and Control of the Amine Plant at CO2 Technology Centre Mongstad

This paper presents a set of steady-state and transient data for dynamic process model validation of the chemical absorption process with monoethanolamine (MEA) for post-combustion CO2 capture of exhaust gas from a natural gas-fired power plant. The data selection includes a wide range of steady-sta...

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Bibliographic Details
Published in:Energies (Basel) 2017-10, Vol.10 (10), p.1527
Main Authors: Montañés, Rubén, Flø, Nina, Nord, Lars
Format: Article
Language:English
Subjects:
Carbon sequestration
Chemical absorption
CO2 capture
Coal-fired power plants
Decentralized control
Dynamic simulation
Flexibility
Pilot plant
Post-combustion
Process dynamics
Simulation
Transient data
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Summary:This paper presents a set of steady-state and transient data for dynamic process model validation of the chemical absorption process with monoethanolamine (MEA) for post-combustion CO2 capture of exhaust gas from a natural gas-fired power plant. The data selection includes a wide range of steady-state operating conditions and transient tests. A dynamic process model developed in the open physical modeling language Modelica is validated. The model is utilized to evaluate the open-loop transient performance at different loads of the plant, showing that pilot plant main process variables respond more slowly at lower operating loads of the plant, to step changes in main process inputs and disturbances. The performance of four decentralized control structures is evaluated, for fast load change transient events. Manipulation of reboiler duty to control CO2 capture ratio at the absorber's inlet and rich solvent flow rate to control the stripper bottom solvent temperature showed the best performance.
ISSN:1996-1073
1996-1073
DOI:10.3390/en10101527