Modeling, dynamics and control of process networks with high energy throughput

Michael Baldea, Prodromos Daoutidis

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


This paper studies the energy dynamics of process networks and/or staged processes in the presence of large energy input and output flows. A generic model structure is developed for such networks and singular perturbation arguments are used to document that the variables in the energy balance evolve over a short time horizon while the variables in the material balance may exhibit both fast and slow transients. Nonlinear reduced order models for the fast and slow dynamics that can be used for model based controller design are also derived. A high-purity distillation column and a reactor with an external heat exchanger are used as simulation case studies to illustrate the theoretical results.

Original languageEnglish (US)
Pages (from-to)1964-1983
Number of pages20
JournalComputers and Chemical Engineering
Issue number9
StatePublished - Sep 26 2008

Bibliographical note

Funding Information:
Financial support for this work by the National Science Foundation, grant CTS-0234440, is gratefully acknowledged. M.B. was partially supported by a University of Minnesota Doctoral Dissertation Fellowship.


  • High-purity distillation
  • Model reduction
  • Plant-wide control
  • Reactor-heat exchanger networks
  • Singular perturbations


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