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Absorption Section Design Analysis

  • Claudio MadedduEmail author
  • Massimiliano Errico
  • Roberto Baratti
Chapter
Part of the SpringerBriefs in Energy book series (BRIEFSENERGY)

Abstract

In this chapter, the design of the absorption section of an industrial CO2 post-combustion capture system using MEA as solvent is analyzed. After the process description, the gas and liquid feed streams are characterized. A two-steps procedure is adopted for the design. Initially, the minimum number of units and the minimum solvent flow rate are determined, then the role of the temperature bulge in the absorber design is discussed. The influence of the molar L/V ratio, which affects the amount of solvent to be used in the process, is studied by means of the analysis of the liquid temperature profiles. Then, the effective solvent flow rate and column dimensions are evaluated. The proposed design procedure for the absorber is proved to avoid the presence of isothermal zones in the column, guarantying the use of the entire packing.

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Copyright information

© The Author(s), under exclusive license to Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Claudio Madeddu
    • 1
    Email author
  • Massimiliano Errico
    • 2
  • Roberto Baratti
    • 3
  1. 1.Dipartimento di Ingegneria Meccanica, Chimica e dei Materiali, Università di CagliariCagliariItaly
  2. 2.Department of Chemical Engineering, Biotechnology and Environmental Technology, University of Southern DenmarkOdense MDenmark
  3. 3.Dipartimento di Ingegneria Meccanica, Chimica e dei MaterialiUniversità di CagliariCagliariItaly

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