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Dynamics of Postcombustion CO2 Capture Plants: Modeling, Validation, and Case Study.

Adam van de Haar1, Carsten Trapp1, Kai Wellner2

  • 1Propulsion & Power, Delft University of Technology (TU Delft), 2629 HS Delft, The Netherlands.

Industrial & Engineering Chemistry Research
|April 18, 2017
PubMed
Summary

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Dynamic modeling of CO2 capture plants shows that integration with power plants can enhance operational flexibility. This technology allows for rapid steam diversion, enabling more dynamic operation of retrofitted fossil fuel power plants.

Area of Science:

  • Chemical Engineering
  • Environmental Science
  • Climate Change Mitigation

Background:

  • Carbon dioxide (CO2) capture from power plant flue gases is crucial for mitigating climate change.
  • Aqueous amine solutions are established for CO2 capture, but their integration with dynamic power plant operations presents control challenges.

Purpose of the Study:

  • To develop and validate a dynamic model for CO2 capture plants integrated with power generation.
  • To investigate the impact of power plant transients on CO2 capture plant performance.

Main Methods:

  • Dynamic modeling of CO2 capture processes.
  • Validation of the model using transient experimental data from a pilot plant at Maasvlakte power station.
  • Simulation of fast power plant transients and their effects on the capture plant.

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Main Results:

  • Model predictions showed good agreement with experimental data for key process variables (flow rate, CO2 concentrations, temperatures, solvent loading).
  • The validated model demonstrated that integrated CO2 capture plants can manage rapid steam diversions.
  • Dynamic operation of retrofitted fossil fuel power plants is feasible with integrated CO2 capture.

Conclusions:

  • The validated dynamic model provides a reliable tool for analyzing integrated CO2 capture systems.
  • Integrated CO2 capture technology can improve the flexibility of fossil fuel power plants, facilitating dynamic operation.
  • This research supports the potential for enhanced CO2 mitigation strategies in the energy sector.