Optimization and low-level control design for reactive batch distillation columns including the start-up

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Abstract

In this paper, the optimization and low-level control design for Reactive Batch Distillation Columns (RBD) including startup operation are investigated. This is a complex problem involving control of heat and mass transfer phenomena over a wide operating window. A new model for the startup operation of an RBD column is proposed. Using this model, an offline optimization problem is solved to minimize the start-up time. Additionally, the classical low-level controllers for RBD columns are reformulated, and a new cascade control strategy with decouplers is proposed. This control structure allows reducing the strong interaction among the input-output variables of the RBD. Finally, the model, the optimal startup, and the proposed controllers are tested on simulation on a polyesterification process.

Original languageEnglish
Title of host publication13th International Symposium on Process Systems Engineering (PSE 2018)
EditorsMario R. Eden, Marianthi G. Ierapetritou, Gavin P. Towler
Place of PublicationAmsterdam
PublisherElsevier
Pages577-582
Number of pages6
ISBN (Print)978-0-444-64243-1
DOIs
Publication statusPublished - 1 Jul 2018
Event13th International Symposium on Process Systems Engineering (PSE 2018) - Manchester Grand Hyatt, San Diego, United States
Duration: 1 Jul 20185 Jul 2018

Publication series

NameComputer Aided Chemical Engineering
PublisherElsevier
Volume44
ISSN (Print)1570-7946

Conference

Conference13th International Symposium on Process Systems Engineering (PSE 2018)
Abbreviated titlePSE 2018
CountryUnited States
CitySan Diego
Period1/07/185/07/18

Keywords

  • Low-Level Control
  • Optimal operation
  • Reactive Batch Distillation Columns
  • Start-up

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