Optimal Process Design for the Synthesis of 2,3-Dimethylbutene-1

Gangadwala, J.; Kienle, A.; Haus, U.-U.; Michaels, D.; Weismantel, R.

doi:10.1016/S1570-7946(05)80263-9

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Optimal Process Design for the Synthesis of 2,3-Dimethylbutene-1

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Gangadwala, J.
Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Kienle, A.
Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Otto-von-Guericke-Universität Magdeburg, External Organizations;

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Citation

Gangadwala, J., Kienle, A., Haus, U.-U., Michaels, D., & Weismantel, R. (2005). Optimal Process Design for the Synthesis of 2,3-Dimethylbutene-1. In L. Puigjaner, & A. Espuña (Eds.), European Symposium on Computer Aided Process Engineering - 15 (pp. 847-852). Amsterdam: Elsevier.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-9CA2-B

Abstract

This paper is concerned with the computer-aided optimal design of reaction-distillation processes. The production of solvent 2,3-dimethylbutene-1 by isomerization of 2,3-dimethylbutene-2 is considered as an innovative benchmark problem. Possible process candidates are a reactive distillation column, a reactor coupled to a nonreactive distillation column or a reactive reboiler with a nonreactive distillation column on top. Local MINLP optimization indicates that the reactive distillation has the lowest total annualized costs. However, due to the non-convexity of the underlying mathematical problem better solutions for the other process candidates cannot be excluded. For this purpose a new global approach is proposed which is based on discrete optimization of the underlying model equations and which proves globally that reactive distillation is the best option. © 2005 Elsevier B.V. All rights reserved. [accessed 2014 January 10th]