Optimal Operation and Stabilising Control of the Concentric Heat-Integrated Distillation Column

Thomas Bisgaard, Sigurd Skogestad, Jakob Kjøbsted Huusom, Jens Abildskov

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Abstract

A systematic control structure design method is applied on the concentric heat integrated distillation column (HIDiC) separating benzene and toluene. A degrees of freedom analysis is provided for identifying potential manipulated and controlled variables. Optimal operation is mapped and active constraints are identified for constructing the supervisory control layer. The fundamental problem of obtaining a stabilising control structure is addressed resulting in the regulatory control layer design. A supervisory control layer is devised and combined with the regulatory control layer. The control structure is finally evaluated by dynamic simulation for proving an acceptable performance. (C) 2016, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights
Original languageEnglish
Title of host publicationIFAC-PapersOnLine
Volume49
PublisherElsevier
Publication date2016
Pages747-752
DOIs
Publication statusPublished - 2016
Event11th IFAC Symposium on Dynamics and Control of Process Systems Including Biosystems DYCOPS-CAB 2016 - Trondheim, Norway
Duration: 6 Jun 20168 Jun 2016
Conference number: 11
http://dycops2016.org/

Conference

Conference11th IFAC Symposium on Dynamics and Control of Process Systems Including Biosystems DYCOPS-CAB 2016
Number11
Country/TerritoryNorway
CityTrondheim
Period06/06/201608/06/2016
Internet address
SeriesIFAC-PapersOnLine
ISSN2405-8963

Keywords

  • Distillation columns
  • Dynamic simulation
  • Pressure control
  • Heat integration
  • Heat-pump
  • Optimal operation

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