Systematic Integrated Process Design and Control of Reactive Distillation Processes Involving Multi-elements

Seyed Soheil Mansouri, Mauricio Sales-Cruz, Jakob Kjøbsted Huusom, Rafiqul Gani

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Abstract

In this work, integrated process design and control of reactive distillation processes that involve multiple elements (more than two) is addressed through a computer-aided hierarchical decomposition-based framework. Multiple elements are encountered for reactive systems when four or more compounds (including inert compounds) are encountered. The reactive distillation design methods and tools which are similar in concept to design of binary non-reactive distillations and binary reactive distillations are used for design of multi-element reactive distillation processes, such as driving force approach. The methods that are used in this work are based on equivalent binary element concept. This concept provides the representation of a multi-element system in terms of two key elements, light key and heavy key elements. First, the reactive distillation column is designed using the equivalent binary element driving force approach. Next, through analytical, steady-state and closed-loop dynamic analysis it is verified that the control structure, disturbance rejection and energy requirement of the reactive distillation column is better than any other operation point that is not at the maximum driving force. Furthermore, it is shown that the design at the maximum driving force can be both controlled using simple controllers such as PI as well as advanced controllers such as MPC.
Original languageEnglish
JournalChemical Engineering Research & Design
Volume115
Issue numberPart B
Pages (from-to)348–364
ISSN0263-8762
DOIs
Publication statusPublished - 2016
Event10th European Congress of Chemical Engineering - Nice, France
Duration: 27 Sep 20151 Oct 2015
Conference number: 10
http://www.ecce2015.eu/

Conference

Conference10th European Congress of Chemical Engineering
Number10
CountryFrance
CityNice
Period27/09/201501/10/2015
Internet address

Keywords

  • Reactive distillation
  • Process design
  • Process control
  • Driving force
  • Computer-aided framework
  • Multi-element systems

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